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Ko M, Jang T, Yoon S, Lee J, Choi JH, Choi JW, Park JA. Synthesis of recyclable and light-weight graphene oxide/chitosan/genipin sponges for the adsorption of diclofenac, triclosan, and microplastics. CHEMOSPHERE 2024; 356:141956. [PMID: 38604514 DOI: 10.1016/j.chemosphere.2024.141956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/16/2024] [Accepted: 04/07/2024] [Indexed: 04/13/2024]
Abstract
Emerging micropollutants, such as pharmaceuticals and microplastics (MPs), have become a pressing water environmental concern. The aim of this study is to synthesize chitosan sponges using graphene oxide (GO) and genipin (GP) for the removal of pharmaceuticals (diclofenac (DCF) and triclosan (TCS)) and MPs, verify their adsorption mechanisms, evaluate the effects of temperature, pH, and salinity on their adsorption capacities, and determine their reusability. The GO5/CS/GP sponge exhibited a macroporous nature (porosity = 95%, density = 32.6 mg/cm3). GO and cross-linker GP enhanced the adsorption of DCF, TCS, and polystyrene (PS) MPs onto the CS sponges. The adsorption of DCF, TCS, and PS MPs involved multiple steps: surface diffusion and pore diffusion of the sponge. The adsorption isotherms demonstrated that Langmuir model was the most fitted well model to explain adsorption of TCS (qm = 7.08 mg/g) and PS MPs (qm = 7.42 mg/g) on GO5/CS/GP sponge, while Freundlich model suited for DCF adsorption (qm = 48.58 mg/g). DCF adsorption was thermodynamically spontaneous and endothermic; however, the adsorption of TCS and PS MPs was exothermic (283-313 K). The optimal pH was 5.5-7 due to the surface charge of the GO5/CS/GP sponge (pHzpc = 5.76) and ionization of DCF, TCS, and PS MPs. As the salinity increased, DCF removal efficiency drastically decreased due to the weakening of electrostatic interactions; however, TCS removal efficiency remained stable because TCS adsorption was mainly caused by hydrophobic and π-π interactions rather than electrostatic interaction. The removal of PS MPs was enhanced by the electrostatic screening effects of high Na+ ions. PS nanoplastics (average size = 26 nm) were removed by the GO5/CS/GP sponge at a rate of 73.0%, which was better than that of PS MPs (41.5%). In addition, the GO5/CS/GP sponge could be recycled over five adsorption-desorption cycles.
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Affiliation(s)
- Mingi Ko
- Department of Environmental Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Taesoon Jang
- Department of Environmental Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Soyeong Yoon
- Department of Environmental Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Jooyoung Lee
- Department of Environmental Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Jin-Hyuk Choi
- Department of Integrated Energy and Infra System, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Jae-Woo Choi
- Water Cycle Research Center, Korea Institute of Science and Technology, Seoul, 02792, Republic of Korea; Division of Energy & Environment Technology, KIST School, Korea University of Science and Technology, Seoul, 02792, Republic of Korea
| | - Jeong-Ann Park
- Department of Environmental Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea; Department of Integrated Energy and Infra System, Kangwon National University, Chuncheon 24341, Republic of Korea.
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2
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Yan M, Pang Y, Shao W, Ma C, Zheng W. Utilization of spent coffee grounds as charring agent to prepare flame retardant poly(lactic acid) composites with improved toughness. Int J Biol Macromol 2024; 264:130534. [PMID: 38432276 DOI: 10.1016/j.ijbiomac.2024.130534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 02/20/2024] [Accepted: 02/27/2024] [Indexed: 03/05/2024]
Abstract
The objective was to utilize spent coffee grounds (SCG) as charring agent to combine with ammonium polyphosphate (APP) to prepare flame retardant poly(lactic acid) (PLA) composites with improved toughness. PLA/APP-SCG and PLA/APP-SCG/KH560 composites were prepared, and silane coupling agent KH560 was applied to improve particle-matrix interfacial compatibility. The particle-matrix interface, char formation, flame retardancy, mechanical properties and fracture morphology of PLA composites were studied. Results showed that PLA/APP-SCG5% and PLA/APP-SCG20% passed UL-94 V-0 rating, and increase in charred residues was favorable for improving flame retardancy. Improved toughness was also obtained compared to PLA, attributed to debonding of APP from matrix under external force as well as plasticization effect of coffee oil contained in SCG. PLA/APP-SCG5%/KH560 and PLA/APP-SCG20%/KH560 showed smaller elongation at break and impact strength compared to PLA/APP-SCG5% and PLA/APP-SCG20%, respectively. The improved interfacial compatibility was unfavorable for debonding of APP from matrix, and both APP and SCG played the role of enhancing strength, thus decreasing toughness. PLA/APP-SCG/KH560 counterparts were actually set as parallel samples to prove that PLA/APP-SCG composites showed improved toughness with weak interfacial compatibility. This study has provided a practical approach to utilize bio-derived wastes as charring agent to prepare flame retardant PLA composites with enhanced toughness.
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Affiliation(s)
- Ming Yan
- School of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, Liaoning Province, China; Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Laboratory of Polymers and Composites, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, Zhejiang Province, China
| | - Yongyan Pang
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Laboratory of Polymers and Composites, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, Zhejiang Province, China.
| | - Weiwei Shao
- School of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, Liaoning Province, China; Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Laboratory of Polymers and Composites, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, Zhejiang Province, China
| | - Chi Ma
- School of Materials Science and Engineering, Shenyang University of Chemical Technology, Shenyang 110142, Liaoning Province, China
| | - Wenge Zheng
- Key Laboratory of Bio-based Polymeric Materials Technology and Application of Zhejiang Province, Laboratory of Polymers and Composites, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo 315201, Zhejiang Province, China
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Valadez-Renteria E, Perez-Carrasco C, Medina-Velazquez DY, Rodriguez-Gonzalez V, Oliva J. Efficient removal of the recalcitrant metamizole contaminant from drinking water by using a CaLaCoO 9 perovskite supported on recycled polyethylene. J Environ Sci (China) 2024; 136:56-67. [PMID: 37923465 DOI: 10.1016/j.jes.2022.09.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 09/20/2022] [Accepted: 09/29/2022] [Indexed: 11/07/2023]
Abstract
Metamizole (MZ) is a widely used anti-inflammatory drug. Due to its common use, this contaminant is found in sewage and rivers. In order to reduce the contamination produced by the MZ, we fabricated in this work a photocatalytic composite using recycled polyethylene (RPE) and the CaLaCoO9 (LCCO) perovskite. Those nanoparticles had a microplate-like morphology and sizes of 1.4-5.5 µm according to the analysis of microscopy. The photocatalytic properties of the LCCO powders were evaluated under ultraviolet-visible (UV-Vis) irradiation and found a removal efficiency of 96%. When the RPE+LCCO composite was employed for the photocatalytic degradation of MZ, a maximum degradation of 92.5% was obtained. The influence of the pH on the photocatalytic activity was also studied and found that an initial pH = 3 produced a total degradation of MZ after 240 min of UV-Vis irradiation. Moreover, three reuse cycles were carried out for the pure LCCO powders and for the RPE+LCCO composites and found that the maximum loss of degradation was 5%. Furthermore, scavenger experiments demonstrated that the super oxide and hydroxyl radicals are formed during the photocatalytic reaction and were responsible for the degradation of MZ. Additionally, the X-ray photoelectron-spectroscopy and Raman analysis demonstrated the formation of defects (oxygen vacancies), those ones delayed the electron-hole recombination, which in turn, enhanced the degradation of the MZ. Thus, the studies performed in this work proved that composites made with recycled plastics and LCCO perovskites are a low-cost and feasible alternative for the cleaning of water sources polluted with pharmaceutical compounds.
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Affiliation(s)
- Ernesto Valadez-Renteria
- CONACYT-División de Materiales Avanzados, Instituto Potosino de Investigación Científica y Tecnológica A. C., San Luis Potosí, SLP 78216, México
| | - Christian Perez-Carrasco
- División de Ciencias Básicas e Ingeniería, Universidad Autónoma Metropolitana Azcapotzalco, Col. Reynosa-Tamaulipas, C.P., México, DF 02200, México
| | - Dulce Yolotzin Medina-Velazquez
- División de Ciencias Básicas e Ingeniería, Universidad Autónoma Metropolitana Azcapotzalco, Col. Reynosa-Tamaulipas, C.P., México, DF 02200, México.
| | - Vicente Rodriguez-Gonzalez
- CONACYT-División de Materiales Avanzados, Instituto Potosino de Investigación Científica y Tecnológica A. C., San Luis Potosí, SLP 78216, México
| | - Jorge Oliva
- CONACYT-División de Materiales Avanzados, Instituto Potosino de Investigación Científica y Tecnológica A. C., San Luis Potosí, SLP 78216, México.
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Nayak A, Chaudhary P, Bhushan B, Ghai K, Singh S, Sillanpää M. Removal of emergent pollutants: A review on recent updates and future perspectives on polysaccharide-based composites vis-à-vis traditional adsorbents. Int J Biol Macromol 2024; 258:129092. [PMID: 38171444 DOI: 10.1016/j.ijbiomac.2023.129092] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Revised: 11/16/2023] [Accepted: 12/26/2023] [Indexed: 01/05/2024]
Abstract
There is a growing incidence in the presence of emergent pollutants like the pesticides and pharmaceuticals in water bodies. The matter of environmental concern is their synthetic and persistent nature which has resulted in induced toxicity/damaging effect to the vital functioning of the different organs in the aquatic community. Traditional adsorbents have exhibited limitations like low stability and minimum reuse ability. Composites of such adsorbents with polysaccharides have demonstrated distinct features like improved surface area, porosity, adsorptivity; improved reusability and structural integrity; improved mechanical strength, thermal stability when applied for the removal of the emergent pollutants. The biocompatibility and biodegradability of such fabricated composites is established; thereby making the water treatment process cost effective, sustainable and environmentally friendly. The present review has dealt with an in-depth, up-dated literature compilation of traditional as well as polysaccharide based composite adsorbents and addressed their performance evaluation for the removal of pharmaceuticals and pesticides from wastewater. A comparative study has revealed the merits of polysaccharide based composites and discussions have been made with a focus on future research directions in the related area.
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Affiliation(s)
- Arunima Nayak
- Department of Chemistry, Graphic Era University, 248002 Dehradun, India.
| | - Priya Chaudhary
- Department of Chemistry, Graphic Era University, 248002 Dehradun, India
| | - Brij Bhushan
- Department of Chemistry, Graphic Era University, 248002 Dehradun, India
| | - Kapil Ghai
- Department of Chemistry, Graphic Era Hill University, 248002 Dehradun, India
| | - Seema Singh
- School of Applied & Life Sciences, Uttaranchal University, Dehradun, Uttarakhand 248007,India
| | - Mika Sillanpää
- Sustainability Cluster, School of Advanced Engineering, UPES, Bidholi, Dehradun, Uttarakhand 248007, India; Department of Biological and Chemical Engineering, Aarhus University, Nørrebrogade 44, 8000 Aarhus C, Denmark
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5
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Zheng NC, Chien HW. UV-crosslinking of chitosan/spent coffee ground composites for enhanced durability and multifunctionality. Int J Biol Macromol 2024; 255:128215. [PMID: 37992943 DOI: 10.1016/j.ijbiomac.2023.128215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 11/05/2023] [Accepted: 11/15/2023] [Indexed: 11/24/2023]
Abstract
Spent coffee grounds (SCGs) have numerous applications and are often blended with polymers to create composites. However, SCGs are physically trapped within the polymer matrix, lacking strong chemical bonding. Therefore, this study has developed a new method for UV crosslinking composites using phenyl azide to address the issue of SCG leakage and limited durability of the composites. The main approach involves grafting phenyl azide onto chitosan, which is then combined with SCGs. When exposed to UV light, the SCGs become covalently linked to the chitosan chains. This method not only resolves the problem of chitosan's porous material fragility but also prevents SCG detachment, surpassing the performance of glutaraldehyde-crosslinked composites. Regarding applications, CS/SCG composites exhibit rapid heating and photothermal stability, making them suitable for use as thermal pads in evaporative water purification, enabling for the collection of pure water from contaminated sources. Furthermore, SCGs have the ability to adsorb metal ions, significantly enhancing the Cu2+ adsorption capacity of CS/SCG composites compared to pure CS, with an increase of more than twofold. This research not only presents a practical solution for stabilizing fillers within polymer matrices but also demonstrates the reusability of SCGs.
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Affiliation(s)
- Nai-Ci Zheng
- Department of Chemical and Materials Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 80778, Taiwan
| | - Hsiu-Wen Chien
- Department of Chemical and Materials Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 80778, Taiwan; Photo-Sensitive Material Advanced Research and Technology Center (Photo-SMART Center), National Kaohsiung University of Science and Technology, Kaohsiung 80778, Taiwan.
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Nordin AH, Ngadi N, Nordin ML, Noralidin NA, Nabgan W, Osman AY, Shaari R. Spent tea waste extract as a green modifying agent of chitosan for aspirin adsorption: Fixed-bed column, modeling and toxicity studies. Int J Biol Macromol 2023; 253:126501. [PMID: 37678687 DOI: 10.1016/j.ijbiomac.2023.126501] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 08/12/2023] [Accepted: 08/22/2023] [Indexed: 09/09/2023]
Abstract
Aspirin is a prevalent over-the-counter medicine that has been categorized as an emerging contaminant due to its danger to both living things and the environment. This work presents chitosan modified with spent tea waste extract (STWE) via the wet impregnation method as an adsorbent for the enhanced removal of aspirin in a fixed-bed column. The adsorbent (named chitosan-STWE) was successfully synthesized and exhibited a low crystallinity structure, good stability against thermal and acidic conditions, as depicted by HNMR, XRD, TGA, and the dissolution rate of the adsorbent. The adsorption column study reveals that increasing bed height (up to 6 cm) increases the percentage of aspirin removal (up to 40.8 %). Increasing aspirin concentration enhances the amount of aspirin that comes into contact with the chitosan-STWE adsorbent, thereby increasing the adsorption capacity. On the other hand, higher flow rates result in shorter contact times between the adsorbent and adsorbates, which lowers the quantity of aspirin adsorbed. The experimental data are in accordance with the values generated by the Thomas and Yoon-Nelson models, with the maximum adsorption capacity of 61.7 mg/g. The chitosan-STWE adsorbent was determined to be non-toxic, thus safe to be used in wastewater treatment applications.
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Affiliation(s)
- Abu Hassan Nordin
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia; Faculty of Applied Sciences, Universiti Teknologi MARA (UiTM), Arau 02600, Perlis, Malaysia
| | - Norzita Ngadi
- Faculty of Chemical and Energy Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia.
| | - Muhammad Luqman Nordin
- Department of Clinical Studies, Faculty of Veterinary Medicine, Universiti Malaysia Kelantan, Pengkalan Chepa, 16100 Kota Bharu, Kelantan, Malaysia
| | - Nur Amalina Noralidin
- Department of Clinical Studies, Faculty of Veterinary Medicine, Universiti Malaysia Kelantan, Pengkalan Chepa, 16100 Kota Bharu, Kelantan, Malaysia
| | - Walid Nabgan
- Departament d'Enginyeria Química, Universitat Rovira I Virgili, Av Països Catalans 26, 43007 Tarragona, Spain
| | - Abdinasir Yusuf Osman
- Department of Pathobiology and Population Science, The Royal Veterinary College, University of London, Hawkshead Lane, North Mymms, Hatfield AL9 7TA, Hertfordshire, UK
| | - Rumaizi Shaari
- Department of Clinical Studies, Faculty of Veterinary Medicine, Universiti Malaysia Kelantan, Pengkalan Chepa, 16100 Kota Bharu, Kelantan, Malaysia
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Luo X, Zhou L, Zheng R, Zhang H, Wang B, Mei Y, Chen R. SCG-Based CNF Aerogels with Oriented and Aligned Porous Structure for Solar Interfacial Desalination. ACS APPLIED MATERIALS & INTERFACES 2023; 15:59973-59980. [PMID: 38100997 DOI: 10.1021/acsami.3c15926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2023]
Abstract
Spent coffee grounds are recognized as a green and sustainable resource of cellulose nanofiber (CNF), which can further form aerogels with rGO for solar-driven interfacial desalination via directional freezing technology. The vertically arranged channels provide better photothermal conversion performance and salt tolerance of rGO/CNF aerogels. Their max evaporation rate can reach to 2.729 kg·m-2·h-1 under natural sunlight. In terms of long-term application (10 days), the aerogels exhibit a stable evaporation property in outdoor environments. The optimum daily average water yield is 15.00 L·m-2, which can fulfill the daily water requirement of six people.
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Affiliation(s)
- Xinjie Luo
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, P.R. China
- Yunnan Engineering Technology Research Center for Plastic Films, Kunming University, Kunming 650214, P.R. China
| | - Li Zhou
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, P.R. China
| | - Ruizhi Zheng
- Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming 650500, P.R. China
- Yunnan Provincial Key Laboratory of Energy Saving in Phosphorus Chemical Engineering and New Phosphorus Materials, Kunming University of Science and Technology, Kunming 650500, P.R. China
| | - Hongfei Zhang
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, P.R. China
- Yunnan Engineering Technology Research Center for Plastic Films, Kunming University, Kunming 650214, P.R. China
| | - Baoling Wang
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, P.R. China
- Yunnan Key Laboratory of Metal-Organic Molecular Materials and Device, Kunming University, Kunming 650214, P.R. China
| | - Yi Mei
- Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming 650500, P.R. China
- Yunnan Provincial Key Laboratory of Energy Saving in Phosphorus Chemical Engineering and New Phosphorus Materials, Kunming University of Science and Technology, Kunming 650500, P.R. China
| | - Renjie Chen
- School of Chemistry and Chemical Engineering, Kunming University, Kunming 650214, P.R. China
- Yunnan Engineering Technology Research Center for Plastic Films, Kunming University, Kunming 650214, P.R. China
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Nordin AH, Ngadi N, Ilyas RA, Abd Latif NAF, Nordin ML, Mohd Syukri MS, Nabgan W, Paiman SH. Green surface functionalization of chitosan with spent tea waste extract for the development of an efficient adsorbent for aspirin removal. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:125048-125065. [PMID: 36795217 DOI: 10.1007/s11356-023-25816-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 02/05/2023] [Indexed: 02/17/2023]
Abstract
This study investigates the feasibility of spent tea waste extract (STWE) as a green modifying agent for the modification of chitosan adsorbent towards aspirin removal. Response surface methodology based on Box-Behnken design was employed to find the optimal synthesis parameters (chitosan dosage, spent tea waste concentration, and impregnation time) for aspirin removal. The results revealed that the optimum conditions for preparing chitotea with 84.65% aspirin removal were 2.89 g of chitosan, 18.95 mg/mL of STWE, and 20.72 h of impregnation time. The surface chemistry and characteristics of chitosan were successfully altered and improved by STWE, as evidenced by FESEM, EDX, BET, and FTIR analysis. The adsorption data were best fitted to pseudo 2nd order, followed by chemisorption mechanisms. The maximum adsorption capacity of chitotea was 157.24 mg/g, as fitted by Langmuir, which is impressive for a green adsorbent with a simple synthesis method. Thermodynamic studies demonstrated the endothermic nature of aspirin adsorption onto chitotea.
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Affiliation(s)
- Abu Hassan Nordin
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Norzita Ngadi
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia.
| | - Rushdan Ahmad Ilyas
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- Centre for Advanced Composite Materials (CACM), Universiti Teknologi Malaysia (UTM), 81310, Johor Bahru, Johor, Malaysia
| | - Nur Aien Fatini Abd Latif
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Muhammad Luqman Nordin
- Department of Clinical Studies, Faculty of Veterinary Medicine, Universiti Malaysia Kelantan, Pengkalan Chepa, 16100, Kota Bharu, Kelantan, Malaysia
| | - Mohd Syahlan Mohd Syukri
- Faculty of Engineering, Universiti Malaysia Sabah, Jalan UMS, Kota Kinabalu, 88400, Sabah, Malaysia
| | - Walid Nabgan
- Departament d'Enginyeria Química, Universitat Rovira I Virgili, Av Països Catalans 26, 43007, Tarragona, Spain
| | - Syafikah Huda Paiman
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
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Xing T, Wu Y, Wang Q, Sadrnia A, Behmaneshfar A, Dragoi EN. Adsorption of ibuprofen using waste coffee derived carbon architecture: Experimental, kinetic modeling, statistical and bio-inspired optimization. ENVIRONMENTAL RESEARCH 2023; 231:116223. [PMID: 37245577 DOI: 10.1016/j.envres.2023.116223] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 05/17/2023] [Accepted: 05/22/2023] [Indexed: 05/30/2023]
Abstract
Pharmaceuticals in water are a growing environmental concern, as they can harm aquatic life and human health. To address this issue, an adsorbent made from coffee waste that effectively removes ibuprofen (a common pharmaceutical pollutant) from wastewater was developed. The experimental adsorption phase was planned using a Design of Experiments approach with Box-Behnken strategy. The relation between the ibuprofen removal efficiency and various independent variables, including adsorbent weight (0.01-0.1 g) and pH (3-9), was evaluated via a regression model with 3-level and 4-factors using the Response surface methodology (RSM) . The optimal ibuprofen removal was achieved after 15 min using 0.1 g adsorbent at 32.4 °C and pH = 6.9. Moreover, the process was optimized using two powerful bio-inspired metaheuristics (Bacterial Foraging Optimization and Virus Optimization Algorithm). The adsorption kinetics, equilibrium, and thermodynamics of ibuprofen onto waste coffee-derived activated carbon were modeled at the identified optimal conditions. The Langmuir and Freundlich adsorption isotherms were implemented to investigate adsorption equilibrium, and thermodynamic parameters were also calculated. According to the Langmuir isotherm model, the adsorbent's maximum adsorption capacity was 350.00 mg g-1 at 35 °C. The findings revealed that the ibuprofen adsorption was well-matched with the Freundlich isotherm model, indicating multilayer adsorption on heterogeneous sites. The computed positive enthalpy value showed the endothermic nature of ibuprofen adsorption at the adsorbate interface.
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Affiliation(s)
- Tao Xing
- College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin, 150040, China
| | - Yingji Wu
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - Quanliang Wang
- College of Mechanical and Electrical Engineering, Northeast Forestry University, Harbin, 150040, China.
| | - Abdolhossein Sadrnia
- Department of Industrial Engineering, Quchan University of Technology, Quchan, Iran.
| | - Ali Behmaneshfar
- Department of Industrial Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran.
| | - Elena Niculina Dragoi
- "Cristofor Simionescu" Faculty of Chemical Engineering and Environmental Protection, "Gheorghe Asachi" Technical University, Bld D. Mangeron No 73, 700050, Iasi, Romania.
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Dordevic D, Dordevic S, Abdullah FAA, Mader T, Medimorec N, Tremlova B, Kushkevych I. Edible/Biodegradable Packaging with the Addition of Spent Coffee Grounds Oil. Foods 2023; 12:2626. [PMID: 37444364 DOI: 10.3390/foods12132626] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 07/03/2023] [Accepted: 07/05/2023] [Indexed: 07/15/2023] Open
Abstract
BACKGROUND Following petroleum, coffee ranks as the second most extensively exchanged commodity worldwide. The definition of spent coffee ground (SCG) can be outlined as the waste generated after consuming coffee. The aims of the study are to produce edible/biodegradable packaging with the addition of spent coffee grounds (SCG) oil and to investigate how this fortification can affect chemical, textural, and solubility properties of experimentally produced films. METHODS The produced films were based on κ-carrageenan and pouring-drying techniques in petri dishes. Two types of emulsifiers were used: Tween 20 and Tween 80. The films were analyzed by antioxidant and textural analysis, and their solubility was also tested. RESULTS Edible/biodegradable packaging samples produced with the addition of SCG oil showed higher (p < 0.05) antioxidant capacity in comparison with control samples produced without the addition of SCG oil. The results of the research showed that the fortification of edible/biodegradable packaging with the addition of SCG oil changed significantly (p < 0.05) both chemical and physical properties of the films. CONCLUSIONS Based on the findings obtained, it was indicated that films manufactured utilizing SCG oil possess considerable potential to serve as an effective and promising material for active food packaging purposes.
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Affiliation(s)
- Dani Dordevic
- Department of Plant Origin Food Sciences, Faculty of Veterinary Hygiene and Ecology, University of Veterinary Sciences Brno, Palackého tř. 1946/1, 612 42 Brno, Czech Republic
| | - Simona Dordevic
- Department of Plant Origin Food Sciences, Faculty of Veterinary Hygiene and Ecology, University of Veterinary Sciences Brno, Palackého tř. 1946/1, 612 42 Brno, Czech Republic
| | - Fouad Ali Abdullah Abdullah
- Department of Meat Hygiene and Technology, Faculty of Veterinary Hygiene and Ecology, University of Veterinary Sciences, 612 42 Brno, Czech Republic
- Department of Medical Laboratory Technology, College of Health and Medical Techniques, Duhok Polytechnic University, Duhok 42001, Iraq
| | - Tamara Mader
- University North, Dr. Zarka Dolinar Square 1, 48000 Koprivnica, Croatia
| | - Nino Medimorec
- University North, Dr. Zarka Dolinar Square 1, 48000 Koprivnica, Croatia
| | - Bohuslava Tremlova
- Department of Plant Origin Food Sciences, Faculty of Veterinary Hygiene and Ecology, University of Veterinary Sciences Brno, Palackého tř. 1946/1, 612 42 Brno, Czech Republic
| | - Ivan Kushkevych
- Department of Experimental Biology, Faculty of Science, Masaryk University, 625 00 Brno, Czech Republic
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11
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Alloun W, Berkani M, Benaissa A, Shavandi A, Gares M, Danesh C, Lakhdari D, Ghfar AA, Chaouche NK. Waste valorization as low-cost media engineering for auxin production from the newly isolated Streptomyces rubrogriseus AW22: Model development. CHEMOSPHERE 2023; 326:138394. [PMID: 36925000 DOI: 10.1016/j.chemosphere.2023.138394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 02/26/2023] [Accepted: 03/11/2023] [Indexed: 06/18/2023]
Abstract
Indole-3-acetic acid (IAA) represents a crucial phytohormone regulating specific tropic responses in plants and functions as a chemical signal between plant hosts and their symbionts. The Actinobacteria strain of AW22 with high IAA production ability was isolated in Algeria for the first time and was characterized as Streptomyces rubrogriseus through chemotaxonomic analysis and 16 S rDNA sequence alignment. The suitable medium for a maximum IAA yield was engineered in vitro and in silico using machine learning-assisted modeling. The primary low-cost feedstocks comprised various concentrations of spent coffee grounds (SCGs) and carob bean grounds (CBGs) extracts. Further, we combined the Box-Behnken design from response surface methodology (BBD-RSM) with artificial neural networks (ANNs) coupled with the genetic algorithm (GA). The critical process parameters screened via Plackett-Burman design (PBD) served as BBD and ANN-GA inputs, with IAA yield as the output variable. Analysis of the putative IAA using thin-layer chromatography (TLC) and (HPLC) revealed Rf values equal to 0.69 and a retention time of 3.711 min, equivalent to the authentic IAA. AW 22 achieved a maximum IAA yield of 188.290 ± 0.38 μg/mL using the process parameters generated by the ANN-GA model, consisting of L-Trp, 0.6%; SCG, 30%; T°, 25.8 °C; and pH 9, after eight days of incubation. An R2 of 99.98%, adding to an MSE of 1.86 × 10-5 at 129 epochs, postulated higher reliability of ANN-GA-approach in predicting responses, compared with BBD-RSM modeling exhibiting an R2 of 76.28%. The validation experiments resulted in a 4.55-fold and 4.46-fold increase in IAA secretion, corresponding to ANN-GA and BBD-RSM models, respectively, confirming the validity of both models.
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Affiliation(s)
- Wiem Alloun
- Laboratory of Mycology, Biotechnology and Microbial Activity (LaMyBAM), Department of Applied Biology, Constantine 1 University, BP, 325, Aïn El Bey, Constantine, 25017, Algeria.
| | - Mohammed Berkani
- Biotechnology Laboratory, National Higher School of Biotechnology, Ali Mendjeli University City, BP E66, 25100, Constantine, Algeria.
| | - Akila Benaissa
- Pharmaceutical Research and Sustainable Development Laboratory (ReMeDD), Department of Pharmaceutical Engineering, Faculty of Process Engineering, Constantine 3 University, Constantine, 25000, Algeria
| | - Amin Shavandi
- 3BIO-BioMatter Unit, École Polytechnique de Bruxelles, Université Libre de Bruxelles (ULB), Avenue F.D. Roosevelt, 50-CP 165/61, 1050, Brussels, Belgium
| | - Maroua Gares
- Laboratory of Mycology, Biotechnology and Microbial Activity (LaMyBAM), Department of Applied Biology, Constantine 1 University, BP, 325, Aïn El Bey, Constantine, 25017, Algeria
| | - Camellia Danesh
- The University of Johannesburg, Department of Chemical Engineering, P.O. Box 17011, Doornfontein, 2088, South Africa.
| | - Delloula Lakhdari
- Biotechnology Laboratory, National Higher School of Biotechnology, Ali Mendjeli University City, BP E66, 25100, Constantine, Algeria; Research Center in Industrial Technologies CRTI, P.O. Box 64, Cheraga 16014, Algiers, Algeria
| | - Ayman A Ghfar
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Noreddine Kacem Chaouche
- Laboratory of Mycology, Biotechnology and Microbial Activity (LaMyBAM), Department of Applied Biology, Constantine 1 University, BP, 325, Aïn El Bey, Constantine, 25017, Algeria
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12
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Chelu M, Popa M, Calderon Moreno J, Leonties AR, Ozon EA, Pandele Cusu J, Surdu VA, Aricov L, Musuc AM. Green Synthesis of Hydrogel-Based Adsorbent Material for the Effective Removal of Diclofenac Sodium from Wastewater. Gels 2023; 9:454. [PMID: 37367125 DOI: 10.3390/gels9060454] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 05/20/2023] [Accepted: 05/29/2023] [Indexed: 06/28/2023] Open
Abstract
The removal of pharmaceutical contaminants from wastewater has gained considerable attention in recent years, particularly in the advancements of hydrogel-based adsorbents as a green solution for their ease of use, ease of modification, biodegradability, non-toxicity, environmental friendliness, and cost-effectiveness. This study focuses on the design of an efficient adsorbent hydrogel based on 1% chitosan, 40% polyethylene glycol 4000 (PEG4000), and 4% xanthan gum (referred to as CPX) for the removal of diclofenac sodium (DCF) from water. The interaction between positively charged chitosan and negatively charged xanthan gum and PEG4000 leads to strengthening of the hydrogel structure. The obtained CPX hydrogel, prepared by a green, simple, easy, low-cost, and ecological method, has a higher viscosity due to the three-dimensional polymer network and mechanical stability. The physical, chemical, rheological, and pharmacotechnical parameters of the synthesized hydrogel were determined. Swelling analysis demonstrated that the new synthetized hydrogel is not pH-dependent. The obtained adsorbent hydrogel reached the adsorption capacity (172.41 mg/g) at the highest adsorbent amount (200 mg) after 350 min. In addition, the adsorption kinetics were calculated using a pseudo first-order model and Langmuir and Freundlich isotherm parameters. The results demonstrate that CPX hydrogel can be used as an efficient option to remove DCF as a pharmaceutical contaminant from wastewater.
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Affiliation(s)
- Mariana Chelu
- "Ilie Murgulescu" Institute of Physical Chemistry, 202 Spl. Independentei, 060021 Bucharest, Romania
| | - Monica Popa
- "Ilie Murgulescu" Institute of Physical Chemistry, 202 Spl. Independentei, 060021 Bucharest, Romania
| | - Jose Calderon Moreno
- "Ilie Murgulescu" Institute of Physical Chemistry, 202 Spl. Independentei, 060021 Bucharest, Romania
| | - Anca Ruxandra Leonties
- "Ilie Murgulescu" Institute of Physical Chemistry, 202 Spl. Independentei, 060021 Bucharest, Romania
| | - Emma Adriana Ozon
- Department of Pharmaceutical Technology and Biopharmacy, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, 6 Traian Vuia Street, 020945 Bucharest, Romania
| | - Jeanina Pandele Cusu
- "Ilie Murgulescu" Institute of Physical Chemistry, 202 Spl. Independentei, 060021 Bucharest, Romania
| | - Vasile Adrian Surdu
- Department of Science and Engineering of Oxide Materials and Nanomaterials, Faculty of Applied Chemistry and Materials Science, University Politehnica of Bucharest, 060042 Bucharest, Romania
| | - Ludmila Aricov
- "Ilie Murgulescu" Institute of Physical Chemistry, 202 Spl. Independentei, 060021 Bucharest, Romania
| | - Adina Magdalena Musuc
- "Ilie Murgulescu" Institute of Physical Chemistry, 202 Spl. Independentei, 060021 Bucharest, Romania
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13
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Oussou KF, Guclu G, Kelebek H, Selli S. Valorization of cocoa, tea and coffee processing by-products-wastes. ADVANCES IN FOOD AND NUTRITION RESEARCH 2023; 107:91-130. [PMID: 37898543 DOI: 10.1016/bs.afnr.2023.03.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/30/2023]
Abstract
The growing threat of food insecurity together with some challenges in demography, health, malnutrition, and income instability around the globe has led researchers to take sustainable solutions to ensure secure production and distribution of food. The last decades have been remarkable in the agri-food supply chain for many food industries. However, vast quantities of food by-products and wastes are generated each year. These products are generally disposed in the environment, which could have remarkable adverse effects on the environment and biodiversity. However, they contain significant quantities of bioactive, nutritional, antioxidative, and aroma compounds. Their sustainable use could meet the increased demand for value-added pharmaceutical, nutraceutical, and food products. The amount of agri-food wastes and their disposal in the environment are predicted to double in the next decade. The valorization of these by-products could effectively contribute to the manufacture of cheaper functional food ingredients and supplements while improving regional economy and food security and mitigating environmental pollution. The main aim of this chapter is to present an understanding of the valorization of the wastes and by-products from cacao, coffee and tea processing with a focus on their bioactive, nutritional, and antioxidant capacity.
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Affiliation(s)
- Kouame Fulbert Oussou
- Department of Food Engineering, Faculty of Engineering, Cukurova University, Adana, Turkey
| | - Gamze Guclu
- Department of Food Engineering, Faculty of Engineering, Cukurova University, Adana, Turkey
| | - Hasim Kelebek
- Department of Food Engineering, Faculty of Engineering, Adana Alparslan Turkes Science and Technology University, Adana, Turkey
| | - Serkan Selli
- Department of Food Engineering, Faculty of Engineering, Cukurova University, Adana, Turkey.
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14
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Madikizela LM, Pakade VE. Trends in removal of pharmaceuticals in contaminated water using waste coffee and tea-based materials with their derivatives. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2023; 95:e10857. [PMID: 36973862 DOI: 10.1002/wer.10857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 03/22/2023] [Accepted: 03/24/2023] [Indexed: 06/18/2023]
Abstract
The introduction of large amounts of pharmaceuticals into the environmental waters is well-documented in literature with their occurrence reported in all different water matrices accessible to humans and animals. At the same time, the increasing consumption of coffee and tea-based beverages results in the generation of solid waste, which is mostly disposed-off in the environment. To minimize environmental pollution, coffee and tea-based materials have been proposed as suitable options to remove pharmaceuticals in environmental waters. Therefore, this article provides a critical review on the preparation and applications of coffee and tea-based materials in removing pharmaceuticals from contaminated water. In this context, most studies in literature focused on the applications of these materials as adsorbents, while only limited work on their role in degradation of pharmaceuticals is discussed. The successful application in adsorption studies is attributed to high surface areas of adsorbents and the ability to easily modify the adsorbent surfaces by incorporating functional groups that provide additional oxygen atoms, which promote easy interactions with pharmaceuticals. Hence, the adsorption mechanisms are mostly described by hydrogen bonding, electrostatic and π-π interactions with sample pH playing a dominant role in the adsorption process. Overall, the present article focused on the developments, trends and future research direction on the preparations and applications of coffee and tea-based materials for efficient removal of pharmaceuticals in water. PRACTITIONER POINTS: Review of tea and coffee wastes application for removal of pharmaceuticals in water Key applications in adsorption and degradation of pharmaceuticals in water Removal mostly explained by hydrogen bonding, electrostatic, and π-π interactions Trends, gaps, and future research to be explored are reviewed and highlighted.
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Affiliation(s)
- Lawrence Mzukisi Madikizela
- Institute for Nanotechnology and Water Sustainability, College of Science, Engineering and Technology, University of South Africa, Florida, South Africa
| | - Vusumzi Emmanuel Pakade
- Department of Biotechnology and Chemistry, Private Bag X 021, Vaal University of Technology, Vanderbijlpark, South Africa
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15
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Maciel AP, Gomide G, da Silva FG, Guerra AAAM, Depeyrot J, Mezzi A, Campos AFC. L-Lysine-Coated Magnetic Core-Shell Nanoparticles for the Removal of Acetylsalicylic Acid from Aqueous Solutions. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:514. [PMID: 36770475 PMCID: PMC9919062 DOI: 10.3390/nano13030514] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 01/20/2023] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
Nanotechnologies based on magnetic materials have been successfully used as efficient and reusable strategies to remove pharmaceutical residuals from water. This paper focuses on the fabrication, characterization, and application of ferrite-based magnetic nanoparticles functionalized with L-lysine as potential nanoadsorbents to remove acetylsalicylic acid (ASA) from water. The proposed nanomaterials are composed of highly magnetic and chemically stable core-shell nanoparticles covered with an adsorptive layer of L-lysine (CoFe2O4-γ-Fe2O3-Lys). The nanoadsorbents were elaborated using the coprecipitation method in an alkaline medium, leading to nanoparticles with two different mean sizes (13.5 nm and 8.5 nm). The samples were characterized by XRD, TEM, FTIR, XPS, Zetametry, BET, and SQUID magnetometry. The influence of time, pH, and pollutant concentration was evaluated from batch studies using 1.33 g/L of the nanoadsorbents. The Freundlich isotherm best adjusted the adsorption data. The adsorption process exhibited a pseudo-second-order kinetic behavior. The optimal pH for adsorption was around 4-6, with a maximum adsorption capacity of 16.4 mg/g after 150 min of contact time. Regeneration tests also showed that the proposed nanomaterials are reusable. The set of results proved that the nanoadsorbents can be potentially used to remove ASA from water and provide relevant information for their application in large-scale designs.
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Affiliation(s)
- Ayessa P. Maciel
- Laboratory for Environmental and Applied Nanoscience, Faculty UnB—Planaltina, University of Brasília, Brasília 73345-010, DF, Brazil
| | - Guilherme Gomide
- Complex Fluids Group, Institute of Physics, University of Brasília, Brasília 70919-970, DF, Brazil
| | | | | | - Jerome Depeyrot
- Complex Fluids Group, Institute of Physics, University of Brasília, Brasília 70919-970, DF, Brazil
| | - Alessio Mezzi
- National Research Council, Institute for the Study of Nanostructured Materials, P.O. Box 10, Monterotondo Scalo, 00010 Rome, Italy
| | - Alex F. C. Campos
- Laboratory for Environmental and Applied Nanoscience, Faculty UnB—Planaltina, University of Brasília, Brasília 73345-010, DF, Brazil
- Institute of Chemistry, University of Brasília, Brasília 70910-900, DF, Brazil
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16
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Nazari MT, Schnorr C, Rigueto CVT, Alessandretti I, Melara F, da Silva NF, Crestani L, Ferrari V, Vieillard J, Dotto GL, Silva LFO, Piccin JS. A review of the main methods for composite adsorbents characterization. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:88488-88506. [PMID: 36334205 DOI: 10.1007/s11356-022-23883-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 10/25/2022] [Indexed: 06/16/2023]
Abstract
Adsorption is a promising technology for removing several contaminants from aqueous matrices. In the last years, researchers worldwide have been working on developing composite adsorbents to overcome some limitations and drawbacks of conventional adsorbent materials, which depend on various factors, including the characteristics of the adsorbents. Therefore, it is essential to characterize the composite adsorbents to describe their properties and structure and elucidate the mechanisms, behavior, and phenomenons during the adsorption process. In this sense, this work aimed to review the main methods used for composite adsorbent characterization, providing valuable information on the importance of these techniques in developing new adsorbents. In this paper, we reviewed the following methods: X-Ray diffraction (XRD); spectroscopy; scanning electron microscopy (SEM); N2 adsorption/desorption isotherms (BET and BJH methods); thermogravimetry (TGA); point of zero charge (pHPZC); elemental analysis; proximate analysis; swelling and water retention capacities; desorption and reuse.
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Affiliation(s)
- Mateus T Nazari
- Graduate Program in Civil and Environmental Engineering (PPGEng), University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Carlos Schnorr
- Universidad De La Costa, Calle 58 # 55-66, 080002, Barranquilla, Atlántico, Colombia
| | - Cesar V T Rigueto
- Graduate Program in Food Science and Technology (PPGCTA), Federal University of Santa Maria (UFSM), Santa Maria, RS, Brazil
| | - Ingridy Alessandretti
- Graduate Program in Food Science and Technology (PPGCTA), University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Flávia Melara
- Graduate Program in Civil and Environmental Engineering (PPGEng), University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
| | - Nathália F da Silva
- Research Group On Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Av. Roraima, 1000-7, Santa Maria, RS, 97105-900, Brazil
| | - Larissa Crestani
- Research Group On Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Av. Roraima, 1000-7, Santa Maria, RS, 97105-900, Brazil
| | - Valdecir Ferrari
- Graduate Program in Metallurgical, Materials, and Mining Engineering (PPG3M), Federal University of Rio Grande Do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Julien Vieillard
- CNRS, INSA Rouen, UNIROUEN, COBRA (UMR 6014 and FR 3038), Normandie University, Evreux, France
| | - Guilherme L Dotto
- Research Group On Adsorptive and Catalytic Process Engineering (ENGEPAC), Federal University of Santa Maria, Av. Roraima, 1000-7, Santa Maria, RS, 97105-900, Brazil.
| | - Luis F O Silva
- Universidad De La Costa, Calle 58 # 55-66, 080002, Barranquilla, Atlántico, Colombia
| | - Jeferson S Piccin
- Graduate Program in Civil and Environmental Engineering (PPGEng), University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
- Graduate Program in Food Science and Technology (PPGCTA), University of Passo Fundo (UPF), Passo Fundo, RS, Brazil
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17
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Skwierawska AM, Bliźniewska M, Muza K, Nowak A, Nowacka D, Zehra Syeda SE, Khan MS, Łęska B. Cellulose and its derivatives, coffee grounds, and cross-linked, β-cyclodextrin in the race for the highest sorption capacity of cationic dyes in accordance with the principles of sustainable development. JOURNAL OF HAZARDOUS MATERIALS 2022; 439:129588. [PMID: 35850070 DOI: 10.1016/j.jhazmat.2022.129588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 07/06/2022] [Accepted: 07/10/2022] [Indexed: 06/15/2023]
Abstract
In this study, seven different materials were analyzed and includes coffee grounds (CG), two types of cellulose (CGC and CC), two types of modified cellulose (CT and CTCD), and cross-linked β-cyclodextrin (CD-1 and CD-2) were tested as adsorbents for the removal of dyes from the wastewater. The composition, morphology, and presence of functional groups in the obtained sorption materials were characterized by elemental analysis, SEM, TG/DTA, and FTIR spectroscopy. The sorption processes of the model contaminant, crystal violet (CV), were studied by kinetics and equilibrium models. The results showed, that using CTCD, the dye was adsorbed rapidly in 1 min and the slowest adsorption occurred in 20 min by CG. The time evolution was adjusted using a two-model, pseudo second-order model (CG and CGC) and pseudo first-order model in the rest adsorbents. According to the Langmuir and Sips isotherm models, the maximum adsorption capacities were very high in each case ranging from 1092.24 to 1220.40 mg g-1. Moreover, the adsorption capacity of the near-natural materials remained even higher after five regeneration cycles. The regeneration is almost waste-free and the materials used can be decomposed during composting. In addition, almost complete removal of cationic dyes was observed during the treatment of real wastewater samples.
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Affiliation(s)
- Anna Maria Skwierawska
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza street, 80-233 Gdańsk, Poland.
| | - Monika Bliźniewska
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza street, 80-233 Gdańsk, Poland
| | - Kinga Muza
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza street, 80-233 Gdańsk, Poland
| | - Agnieszka Nowak
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza street, 80-233 Gdańsk, Poland
| | - Dominika Nowacka
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza street, 80-233 Gdańsk, Poland
| | - Shan E Zehra Syeda
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza street, 80-233 Gdańsk, Poland
| | - Muhammad Shahzeb Khan
- Department of Chemistry and Technology of Functional Materials, Faculty of Chemistry, Gdańsk University of Technology, 11/12 Narutowicza street, 80-233 Gdańsk, Poland
| | - Bogusława Łęska
- Faculty of Chemistry, Adam Mickiewicz University, 8 Uniwersytetu Poznańskiego street, 61-614 Poznań, Poland
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18
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Farooq Khan M, Ahmed H, Abdulkareem Almashhadani H, Al-Bahrani M, Ullah Khan A, Ali S, Gul N, Hassan T, Ismail A, Zahid M. Sustainable adsorptive removal of high concentration organic contaminants from water using biodegradable Gum-Acacia integrated magnetite nanoparticles hydrogel adsorbent. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.110057] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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19
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Karthik C, Caroline DG, Pandi Prabha S. Nanochitosan augmented with essential oils and extracts as an edible antimicrobial coating for the shelf life extension of fresh produce: a review. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-021-03901-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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20
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Jeníček L, Tunklová B, Malaťák J, Neškudla M, Velebil J. Use of Spent Coffee Ground as an Alternative Fuel and Possible Soil Amendment. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6722. [PMID: 36234063 PMCID: PMC9570971 DOI: 10.3390/ma15196722] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 09/16/2022] [Accepted: 09/25/2022] [Indexed: 06/16/2023]
Abstract
Spent coffee ground is a massively produced coffee industry waste product whose reusage is beneficial. Proximate and ultimate and stochiometric analysis of torrefied spent coffee ground were performed and results were analyzed and compared with other research and materials. Spent coffee ground is a material with high content of carbon (above 50%) and therefore high calorific value (above 20 MJ·kg-1). Torrefaction improves the properties of the material, raising its calorific value up to 32 MJ·kg-1. Next, the phytotoxicity of the aqueous extract was tested using the cress test. The non-torrefied sample and the sample treated at 250 °C were the most toxic. The sample treated at 250 °C adversely affected the germination of the cress seeds due to residual caffeine, tannins and sulfur release. The sample treated at 350 °C performed best of all the tested samples. The sample treated at 350 °C can be applied to the soil as the germination index was higher than 50% and can be used as an alternative fuel with net calorific value comparable to fossil fuels.
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Affiliation(s)
- Lukáš Jeníček
- Faculty of Engineering, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague, Czech Republic
| | - Barbora Tunklová
- Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague, Czech Republic
| | - Jan Malaťák
- Faculty of Engineering, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague, Czech Republic
| | - Michal Neškudla
- Faculty of Engineering, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague, Czech Republic
| | - Jan Velebil
- Faculty of Engineering, Czech University of Life Sciences Prague, Kamýcká 129, 165 00 Prague, Czech Republic
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21
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Rehman F, Parveen N, Iqbal J, Sayed M, Shah NS, Ansar S, Ali Khan J, Shah A, Jamil F, Boczkaj G. Potential degradation of norfloxacin using UV-C/Fe2+/peroxides-based oxidative pathways. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114305] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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22
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Çakmak E, Koc-Bilican B, Avila-Poveda OH, Karaduman T, Cansaran-Duman D, Williams ST, Kaya M. Discovery of protein-based natural hydrogel from the girdle of the 'sea cockroach' Chiton articulatus (Chitonida: Chitonidae). PeerJ 2022; 10:e13386. [PMID: 35573172 PMCID: PMC9097651 DOI: 10.7717/peerj.13386] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Accepted: 04/15/2022] [Indexed: 01/14/2023] Open
Abstract
Hydrogels are widely used materials in biomedical, pharmaceutical, cosmetic, and agricultural fields. However, these hydrogels are usually formed synthetically via a long and complicated process involving crosslinking natural polymers. Herein, we describe a natural hydrogel isolated using a 'gentle' acid treatment from the girdle of a chiton species (Chiton articulatus). This novel hydrogel is shown to have a proliferative effect on mouse fibroblast cells (cell line, L929). The swelling capacity of this natural hydrogel was recorded as approximately 1,200% in distilled water, which is within desired levels for hydrogels. Detailed characterizations reveal that the hydrogel consists predominantly (83.93%) of protein. Considering its non-toxicity, proliferative effect and swelling properties, this natural hydrogel is an important discovery for material sciences, with potential for further applications in industry. Whether the girdle has some hydrogel activity in the living animal is unknown, but we speculate that it may enable the animal to better survive extreme environmental conditions by preventing desiccation.
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Affiliation(s)
- Emel Çakmak
- Vegetable and Animal Production, Güzelyurt Vocational School, Aksaray University, Aksaray, Turkey,Science and Technology Application and Research Center, ASUBTAM - Aksaray University, Aksaray, Turkey
| | - Behlül Koc-Bilican
- Science and Technology Application and Research Center, ASUBTAM - Aksaray University, Aksaray, Turkey,Molecular Biology and Genetics, Faculty of Science and Letters, Aksaray University, Aksaray, Turkey
| | - Omar Hernando Avila-Poveda
- Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa, Mazatlán, Sinaloa, México,Programa Investigadoras e Investigadores por Mexico, Consejo Nacional de Ciencia y Tecnología, Ciudad de México, México,Proyecto Quitón del Pacífico Tropical Mexicano, Mazatlán, Sinaloa, México
| | - Tuğçe Karaduman
- Science and Technology Application and Research Center, ASUBTAM - Aksaray University, Aksaray, Turkey,Molecular Biology and Genetics, Faculty of Science and Letters, Aksaray University, Aksaray, Turkey
| | | | - Suzanne T. Williams
- Department of Life Sciences, Natural History Museum, London, Cromwell Road, United Kingdom
| | - Murat Kaya
- Science and Technology Application and Research Center, ASUBTAM - Aksaray University, Aksaray, Turkey,Molecular Biology and Genetics, Faculty of Science and Letters, Aksaray University, Aksaray, Turkey
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Valorization of Liquor Waste Derived Spent Coffee Grains for the Development of Injection-Molded Polylactide Pieces of Interest as Disposable Food Packaging and Serving Materials. Foods 2022; 11:foods11081162. [PMID: 35454748 PMCID: PMC9028853 DOI: 10.3390/foods11081162] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 04/13/2022] [Accepted: 04/13/2022] [Indexed: 02/01/2023] Open
Abstract
The present work puts the Circular Bioeconomy's concept into action, originally valorizing residues of spent coffee grains from the beverage liquor coffee industry to develop green composite pieces of polylactide (PLA). The as-received spent coffee grains were first milled to obtain the so-called spent coffee grounds (SCGs) that were, thereafter, incorporated at 20 wt.% into PLA by extrusion. Finally, the resultant green composite pellets were shaped into pieces by injection molding. Moreover, two oligomers of lactic acid (OLAs), namely OLA2 and OLA2mal, the latter being functionalized with maleic anhydride (MAH), were added with SCGs during the extrusion process at 10 wt.%. The results show that, opposite to most claims published in the literature of green composites of PLA, the incorporation of the liquor waste derived SCGs increased the ductility of the pieces by approximately 280% mainly due to their high lipid content. Moreover, the simultaneous addition of OLA2 and OLA2mal further contributed to improve the tensile strength of the green composite pieces by nearly 36% and 60%, respectively. The higher performance of OLA2mal was ascribed to the chemical interaction achieved between the biopolyester and the lignocellulosic fillers by the MAH groups. The resultant green composite pieces are very promising as disposable food-serving utensils and tableware.
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Wei M, Marrakchi F, Yuan C, Cheng X, Jiang D, Zafar FF, Fu Y, Wang S. Adsorption modeling, thermodynamics, and DFT simulation of tetracycline onto mesoporous and high-surface-area NaOH-activated macroalgae carbon. JOURNAL OF HAZARDOUS MATERIALS 2022; 425:127887. [PMID: 34906868 DOI: 10.1016/j.jhazmat.2021.127887] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 11/14/2021] [Accepted: 11/20/2021] [Indexed: 05/07/2023]
Abstract
Activated carbon (ENAC) was prepared by NaOH activation, using macroalgae (Enteromorpha clathrate) as raw material. The prepared activated carbon has a large surface area (1238.491 m2 g-1) and its total pore volume and average pore size are 0.6823 cm3g-1 and 2.2038 nm, respectively. The ENAC was characterized by SEM, FTIR, BET and XPS. The effects of contact time (0-960 min), initial tetracycline (TC) concentration (50-500 mg L-1), temperature (30-50 °C) and initial pH (2-11) on TC adsorption were evaluated. The adsorption isotherm and adsorption kinetics were discussed. Results showed that the adsorption isotherm was the Langmuir model, and the adsorption process can be described by the pseudo-second-order model. The N2 adsorption-desorption isotherm was type IV, indicating that the activated carbon had mesoporous structure. Thermodynamic analysis showed that the adsorption process was endothermic and spontaneous. The maximum adsorption capacity of TC was 381.584 mg g-1. Density functional theory (DFT) was used to simulate and analyze the adsorption process, and the influence of different types of N on the adsorption was expounded. The results showed that there are electrostatic interactions, π-π interactions and hydrogen bonding between the adsorbent and TC. These results indicated that the prepared ENAC had a great application prospect in the removal of antibiotics from aqueous solution.
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Affiliation(s)
- Manman Wei
- School of Energy and Power Engineering, Jiangsu University, 212013 Jiangsu, China
| | - Fatma Marrakchi
- School of Energy and Power Engineering, Jiangsu University, 212013 Jiangsu, China
| | - Chuan Yuan
- School of Energy and Power Engineering, Jiangsu University, 212013 Jiangsu, China; School of Agricultural Engineering, Jiangsu University, 212013 Jiangsu, China
| | - Xiaoxue Cheng
- School of Energy and Power Engineering, Jiangsu University, 212013 Jiangsu, China
| | - Ding Jiang
- School of Energy and Power Engineering, Jiangsu University, 212013 Jiangsu, China
| | - Fatemeh Fazeli Zafar
- School of Energy and Power Engineering, Jiangsu University, 212013 Jiangsu, China
| | - Yanxia Fu
- School of Energy and Power Engineering, Jiangsu University, 212013 Jiangsu, China
| | - Shuang Wang
- School of Energy and Power Engineering, Jiangsu University, 212013 Jiangsu, China.
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25
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Fabrication of Biochar Materials from Biowaste Coffee Grounds and Assessment of Its Adsorbent Efficiency for Remediation of Water-Soluble Pharmaceuticals. SUSTAINABILITY 2022. [DOI: 10.3390/su14052931] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Biowaste coffee grounds have been recognized as an effective and relatively low-cost adsorbent to complement conventional treatment techniques for removing emerging contaminants (ECs) from the waste stream through modification to useful biochar. The purpose of this study was to make biochar from biowaste coffee grounds through the pyrolysis process and investigate its potential capacity for the removal of pharmaceuticals from water. The biochar was prepared by pyrolysis process under argon gas conditions, and its adsorption capacity for pharmaceuticals was evaluated. The as-prepared biochar shows a surface area of 232 m2 g−1. The adsorption of salicylic acid, diclofenac, and caffeine onto the biochar show adsorption capacities of 40.47 mg g−1, 38.52 mg g−1, and 75.46 mg g−1, respectively. The morphology, functional groups, crystallinity, and specific surface area were determined by SEM, FTIR, XRD, and BET techniques, respectively. Kinetic results reveal that the experimental data fit the pseudo-second-order model and the Temkin isotherm model. In conclusion, these results illustrate the potential of biochar produced from biowaste coffee grounds could play an important role in environmental pollution mitigation by enhancing removal of pharmaceuticals from conventional wastewater treatment effluent, thereby minimizing their potential risks in the environment.
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26
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Machado TS, Crestani L, Marchezi G, Melara F, de Mello JR, Dotto GL, Piccin JS. Synthesis of glutaraldehyde-modified silica/chitosan composites for the removal of water-soluble diclofenac sodium. Carbohydr Polym 2022; 277:118868. [PMID: 34893273 DOI: 10.1016/j.carbpol.2021.118868] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 10/22/2021] [Accepted: 11/04/2021] [Indexed: 11/16/2022]
Abstract
Composite materials are effective adsorbents for the removal of various types of contaminants, such as pharmaceutical products. However, they require improvement to achieve a good adsorption capacity. This study presents the development of a promising adsorbent: silica/chitosan modified with different proportions of glutaraldehyde, which involves the D-glucosamine units from chitosan. The developed materials were evaluated for their ability to remove diclofenac sodium. The adsorption data showed that the diclofenac adsorption efficiency increased with increasing degree of glutaraldehyde crosslinking. The equilibrium and kinetic data were well fit by the Liu and Elovich models, respectively, and the maximum adsorption capacity was 237.8 mg/g. Therefore, it can be assumed that the process is predominantly chemical and exothermic, with a high affinity between the adsorbents and diclofenac sodium. The adsorption mechanisms were investigated to better understand the interactions, and the predominance of covalent bonds with the self-polymerized glutaraldehyde was verified.
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Affiliation(s)
- Thaís Strieder Machado
- Postgraduate in Civil and Environmental Engineering, Faculty of Engineering and Architecture, University of Passo Fundo, BR 285, km 171, Passo Fundo, RS, Brazil.
| | - Larissa Crestani
- Chemical Engineering Course, Faculty of Engineering and Architecture, University of Passo Fundo, BR 285, km 171, Passo Fundo, RS, Brazil
| | - Giovana Marchezi
- Chemical Engineering Course, Faculty of Engineering and Architecture, University of Passo Fundo, BR 285, km 171, Passo Fundo, RS, Brazil
| | - Flávia Melara
- Postgraduate in Civil and Environmental Engineering, Faculty of Engineering and Architecture, University of Passo Fundo, BR 285, km 171, Passo Fundo, RS, Brazil
| | - Jonatan Rafael de Mello
- Postgraduate in Food Science and Technology, Faculty of Agronomy and Veterinary Medicine, University of Passo Fundo, BR 285, km 171, Passo Fundo, RS, Brazil
| | - Guilherme Luiz Dotto
- Chemical Engineering Department, Federal University of Santa Maria, Roraima Avenue, 1000 Santa Maria, RS, Brazil.
| | - Jeferson Steffanello Piccin
- Postgraduate in Civil and Environmental Engineering, Faculty of Engineering and Architecture, University of Passo Fundo, BR 285, km 171, Passo Fundo, RS, Brazil
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27
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Valorization of Spent Coffee Grounds as Precursors for Biopolymers and Composite Production. Polymers (Basel) 2022; 14:polym14030437. [PMID: 35160428 PMCID: PMC8840223 DOI: 10.3390/polym14030437] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/14/2022] [Accepted: 01/19/2022] [Indexed: 01/27/2023] Open
Abstract
Spent coffee grounds (SCG) are a current subject in many works since coffee is the second most consumed beverage worldwide; however, coffee generates a high amount of waste (SCG) and can cause environmental problems if not discarded properly. Therefore, several studies on SCG valorization have been published, highlighting its waste as a valuable resource for different applications, such as biofuel, energy, biopolymer precursors, and composite production. This review provides an overview of the works using SCG as biopolymer precursors and for polymer composite production. SCG are rich in carbohydrates, lipids, proteins, and minerals. In particular, carbohydrates (polysaccharides) can be extracted and fermented to synthesize lactic acid, succinic acid, or polyhydroxyalkanoate (PHA). On the other hand, it is possible to extract the coffee oil and to synthesize PHA from lipids. Moreover, SCG have been successfully used as a filler for composite production using different polymer matrices. The results show the reasonable mechanical, thermal, and rheological properties of SCG to support their applications, from food packaging to the automotive industry.
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Natarajan R, Saikia K, Ponnusamy SK, Rathankumar AK, Rajendran DS, Venkataraman S, Tannani DB, Arvind V, Somanna T, Banerjee K, Mohideen N, Vaidyanathan VK. Understanding the factors affecting adsorption of pharmaceuticals on different adsorbents - A critical literature update. CHEMOSPHERE 2022; 287:131958. [PMID: 34454222 DOI: 10.1016/j.chemosphere.2021.131958] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 08/07/2021] [Accepted: 08/18/2021] [Indexed: 06/13/2023]
Abstract
Remediation of emerging pharmaceutically active compounds (PhACs) as micropollutants in wastewater is of foremost importance as they can cause extremely detrimental effects on life upon bioaccumulation and generation of drug-resistance microorganisms. Presently used physicochemical treatments, such as electrochemical oxidation, nanofiltration and reverse osmosis, are not feasible owing to high operating costs, incomplete removal of contaminants along with toxic by-products formation. Adsorption with the utilization of facile and efficient nanoparticulate adsorbents having distinctive properties of high surface area, excellent adsorption capacity, ability to undergo surface engineering and good regeneration displays great potential in this aspect along with the incorporation of nanotechnology for effective treatment. The application of such nanosorbents provides optimal performance under a wide range of physicochemical conditions, decreased secondary pollution with reduced mechanical stress along with excellent organic compound sequestration capacity, which in turn improves the quality of potable water in a sustainable way compared to current treatments. The present review intends to consolidate the range of factors that affect the process of adsorption of different PhACs on to various nanosorbents and also highlights the adsorption mechanism aiding in the retrieval.
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Affiliation(s)
- Ramesh Natarajan
- Integrated Bioprocessing Laboratory, Department of Biotechnology, SRM Institute of Science and Technology, Chennai, 603 203, India
| | - Kongkona Saikia
- Integrated Bioprocessing Laboratory, Department of Biotechnology, SRM Institute of Science and Technology, Chennai, 603 203, India
| | - Senthil Kumar Ponnusamy
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, India
| | - Abiram Karanam Rathankumar
- Integrated Bioprocessing Laboratory, Department of Biotechnology, SRM Institute of Science and Technology, Chennai, 603 203, India
| | - Devi Sri Rajendran
- Integrated Bioprocessing Laboratory, Department of Biotechnology, SRM Institute of Science and Technology, Chennai, 603 203, India
| | - Swethaa Venkataraman
- Integrated Bioprocessing Laboratory, Department of Biotechnology, SRM Institute of Science and Technology, Chennai, 603 203, India
| | - Diya Bharat Tannani
- Integrated Bioprocessing Laboratory, Department of Biotechnology, SRM Institute of Science and Technology, Chennai, 603 203, India
| | - Varshni Arvind
- Integrated Bioprocessing Laboratory, Department of Biotechnology, SRM Institute of Science and Technology, Chennai, 603 203, India
| | - Tanya Somanna
- Integrated Bioprocessing Laboratory, Department of Biotechnology, SRM Institute of Science and Technology, Chennai, 603 203, India
| | - Koyena Banerjee
- Integrated Bioprocessing Laboratory, Department of Biotechnology, SRM Institute of Science and Technology, Chennai, 603 203, India
| | - Nizar Mohideen
- Integrated Bioprocessing Laboratory, Department of Biotechnology, SRM Institute of Science and Technology, Chennai, 603 203, India
| | - Vinoth Kumar Vaidyanathan
- Integrated Bioprocessing Laboratory, Department of Biotechnology, SRM Institute of Science and Technology, Chennai, 603 203, India.
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29
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Chen J, Ouyang J, Lai W, Xing X, Zhou L, Liu Z, Chen W, Cai D. Synthesis of ultralight chitosan/activated biochar composite aerogel globules for ketoprofen removal from aqueous solution. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.119700] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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30
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Chan H, Shi C, Wu Z, Sun S, Zhang S, Yu Z, He M, Chen G, Wan X, Tian J. Superhydrophilic three-dimensional porous spent coffee ground reduced palladium nanoparticles for efficient catalytic reduction. J Colloid Interface Sci 2021; 608:1414-1421. [PMID: 34742061 DOI: 10.1016/j.jcis.2021.10.028] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 09/23/2021] [Accepted: 10/06/2021] [Indexed: 12/17/2022]
Abstract
The use of functional biodegradable wastes to treat environmental problems would create minimal extra burden to our environment. In this paper, we propose a sustainable and practical strategy to turn spent coffee ground (SCG) into a multifunctional palladium-loaded catalyst for water treatment instead of going into landfill as solid waste. Bleached delignified coffee ground (D-SCG) has a porous structure and a good capability to reduce Pd (II) to Pd (0). A large amount of nanocellulose is formed on the surface of SCG after bleaching by H2O2, which anchors and disperses the palladium nanoparticles (Pd NPs). The D-SCG loaded with Pd NPs (Pd-D-SCG) is superhydrophilic, which facilitates water transport and thus promotes efficient removal of organic pollutants dissolved in water. Pd-D-SCG exhibits excellent room temperature catalytic activity for the removal of 4-nitrophenol (4-NP) and methylene blue (MB) in water and shows good chemical stability and recyclability in water, with no obvious decrease even after five repeated cycles.
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Affiliation(s)
- Huifang Chan
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China
| | - Congcan Shi
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China
| | - Zhangxiong Wu
- Suzhou Key Laboratory of Green Chemical Engineering, School of Chemical and Environmental Engineering, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Jiangsu 215123, PR China
| | - Shenghong Sun
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China
| | - Shaokai Zhang
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China
| | - Zhaohui Yu
- YUTO Packaging Technology Co., Ltd, Shenzhen 518000, PR China
| | - Minghui He
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China
| | - Guangxue Chen
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China
| | - Xiaofang Wan
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China.
| | - Junfei Tian
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, PR China.
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31
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Yadav A, Bagotia N, Sharma AK, Kumar S. Advances in decontamination of wastewater using biomass-basedcomposites: A critical review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 784:147108. [PMID: 33892326 DOI: 10.1016/j.scitotenv.2021.147108] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Revised: 04/07/2021] [Accepted: 04/08/2021] [Indexed: 06/12/2023]
Abstract
Contaminant removal from wastewater using natural biosorbents has been widely studied as a suitable and environmentally benign alternative for conventional techniques. Currently, researchers are working on various biomass-based composites for wastewater remediation to improve the performance of natural biosorbents. This review takes into focus a wide range of biomass-based composites like hydrogel composites, metal oxide composites, magnetic composites, polymer composites, carbon nanotubes (CNTs) and graphene composites, metal organic framework composites (MOFs) and clay composites for the removal of various contaminants from wastewater. It is evident from the literature survey that the composite fabrication involves the modification of morphological and textural features of the biomass which results in significant enhancement of adsorption capacity. Apart from this, regeneration of the used biomass-based composite is also studied in depth in order to overcome the problem of solid waste generation. This review would prove to be beneficial for researchers who are currently focusing on the development of cost-effective, easily available, recyclable biomass-based composites with enhanced adsorption capacities for wastewater treatment.
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Affiliation(s)
- Aruna Yadav
- Department of Chemistry, Chaudhary Bansi Lal University, Bhiwani 127021, Haryana, India
| | - Nisha Bagotia
- Department of Chemistry, Chaudhary Bansi Lal University, Bhiwani 127021, Haryana, India
| | - Ashok K Sharma
- Department of Chemistry, Deenbandhu Chhotu Ram University of Science and Technology, Murthal, Sonepat 131039, Haryana, India
| | - Surender Kumar
- Department of Chemistry, Chaudhary Bansi Lal University, Bhiwani 127021, Haryana, India.
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32
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Lemos TS, de Souza JF, Fajardo AR. Magnetic microspheres based on pectin coated by chitosan towards smart drug release. Carbohydr Polym 2021; 265:118013. [DOI: 10.1016/j.carbpol.2021.118013] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 02/27/2021] [Accepted: 03/26/2021] [Indexed: 12/12/2022]
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33
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Moradpour N, Sedaghat S, Aberoomand Azar P, Behzad K. Synthesis of chitosan and amine functionalized MCM‐41 nanocomposite for the removal of acetylsalicylic acid from water using central composite design. Appl Organomet Chem 2021. [DOI: 10.1002/aoc.6277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Nina Moradpour
- Department of Chemistry, Science and Research Branch Islamic Azad University Tehran Iran
| | - Sajjad Sedaghat
- Department of Chemistry Islamic Azad University, Shahr‐e‐Qods Branch Shahr‐e‐Qods Iran
| | - Parviz Aberoomand Azar
- Department of Chemistry, Science and Research Branch Islamic Azad University Tehran Iran
| | - Kasra Behzad
- Department of Physics Islamic Azad University, Shahr‐e‐Qods Branch Shahr‐e‐Qods Iran
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34
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Quintero-Jaramillo JA, Carrero-Mantilla JI, Sanabria-González NR. A Review of Caffeine Adsorption Studies onto Various Types of Adsorbents. ScientificWorldJournal 2021; 2021:9998924. [PMID: 34335116 PMCID: PMC8315881 DOI: 10.1155/2021/9998924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 06/26/2021] [Accepted: 06/30/2021] [Indexed: 12/03/2022] Open
Abstract
A systematic literature review of publications from 2000 to 2020 was carried out to identify research trends on adsorbent materials for the removal of caffeine from aqueous solutions. Publications were retrieved from three databases (Scopus, Web of Science, and Google Scholar). Words "adsorption AND caffeine" were examined into titles, abstracts, and keywords. A brief bibliometric analysis was performed with emphasis on the type of publication and of most cited articles. Materials for the removal of caffeine were classified according to the type of material into three main groups: organic, inorganic, and composites, each of them subdivided into different subgroups consistent with their origin or production. Tables resume for each subgroup of adsorbents the key information: specific surface area, dose, pH, maximum adsorption capacity, and isotherm models for the removal of caffeine. The highest adsorption capacities were achieved by organic adsorbents, specifically those with granular activated carbon (1961.3 mg/g) and grape stalk activated carbon (916.7 mg/g). Phenyl-phosphate-based porous organic polymer (301 mg/g), natural sandy loam sediment (221.2 mg/g), composites of MCM-48 encapsulated graphene oxide (153.8 mg/g), and organically modified clay (143.7 mg/g) showed adsorption capacities lower than those of activated carbons. In some activated carbons, a relation between the specific surface area (SSA) and the maximum adsorption capacity (Q max) was found.
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Affiliation(s)
- Javier Andrés Quintero-Jaramillo
- Departamento de Ingeniería Química, Universidad Nacional de Colombia Sede Manizales, Campus La Nubia, km 7 vía al Aeropuerto, AA 127, Manizales, Colombia
| | - Javier Ignacio Carrero-Mantilla
- Departamento de Ingeniería Química, Universidad Nacional de Colombia Sede Manizales, Campus La Nubia, km 7 vía al Aeropuerto, AA 127, Manizales, Colombia
| | - Nancy Rocío Sanabria-González
- Departamento de Ingeniería Química, Universidad Nacional de Colombia Sede Manizales, Campus La Nubia, km 7 vía al Aeropuerto, AA 127, Manizales, Colombia
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35
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Mota HP, Fajardo AR. Development of superabsorbent hydrogel based on Gum Arabic for enhanced removal of anxiolytic drug from water. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 288:112455. [PMID: 33780815 DOI: 10.1016/j.jenvman.2021.112455] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Revised: 03/05/2021] [Accepted: 03/17/2021] [Indexed: 06/12/2023]
Abstract
The growing consumption of anxiolytic drugs like diazepam (DZP) has aggravated the problem of persistent organic pollutants in water. Due to its characteristics, the removal of DZP from water and wastewater is a challenging task. As an effort to deals with this issue, in this study, we report the development of a hydrogel based on Gum Arabic (GA) grafted with poly(acrylic acid) (GA-g-PAAc) to be used in the adsorptive removal of DZP from water. The hydrogel formation was confirmed by Fourier-transform infrared (FTIR) spectroscopy and thermal analysis (TGA/DTG) analyses. Images obtained by scanning electron microscopy (SEM) revealed that GA-g-PAAc hydrogel exhibits a porous morphology while swelling experiments suggest a superabsorbent characteristic (degree of swelling> 600%). From batch experiments, it was found that the removal of DZP reached remarkable percentages (>80%) before 300 min in moderate experimental conditions (pH 7, 25 °C, 150 mg of adsorbent). The adsorption of DZP on GA-g-PAAc followed the pseudo-first order kinetics, and the mechanism was described by the linear Langmuir isotherm. The maximum adsorption capacity (qmax) was calculated to be 15.16 mg g-1 (at 25 °C), which is comparable or superior to other adsorbent materials used in DZP removal. Reuse experiments showed that GA-g-PAAc keeps appreciable adsorption ability even after five reuse cycles. The results reported here suggest this superabsorbent hydrogel could be a promising adsorbent material to treat water contaminated by anxiolytic drugs, like DZP.
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Affiliation(s)
- Henrique P Mota
- Laboratório de Tecnologia e Desenvolvimento de Compósitos e Materiais Poliméricos (LaCoPol), Universidade Federal de Pelotas (UFPel), Campus Capão do Leão S/n, 96010-900, Pelotas, RS, Brazil
| | - André R Fajardo
- Laboratório de Tecnologia e Desenvolvimento de Compósitos e Materiais Poliméricos (LaCoPol), Universidade Federal de Pelotas (UFPel), Campus Capão do Leão S/n, 96010-900, Pelotas, RS, Brazil.
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36
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Taoufik N, Boumya W, Achak M, Sillanpää M, Barka N. Comparative overview of advanced oxidation processes and biological approaches for the removal pharmaceuticals. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 288:112404. [PMID: 33780817 DOI: 10.1016/j.jenvman.2021.112404] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 02/26/2021] [Accepted: 03/13/2021] [Indexed: 05/12/2023]
Abstract
Nowadays, pharmaceuticals are the center of significant environmental research due to their complex and highly stable bioactivity, increasing concentration in the water streams and high persistence in aquatic environments. Conventional wastewater treatment techniques are generally inadequate to remove these pollutants. Aiming to tackle this issue effectively, various methods have been developed and investigated on the light of chemical, physical and biological procedures. Increasing attention has recently been paid to the advanced oxidation processes (AOPs) as efficient methods for the complete mineralization of pharmaceuticals. Their high operating costs compared to other processes, however, remain a challenge. Hence, this review summarizes the current and state of art related to AOPs, biological treatment and their effective exploitation for the degradation of various pharmaceuticals and other emerging molecules present in wastewater. The review covers the last decade with a particular focus on the previous five years. It is further envisioned that this review of advanced oxidation methods and biological treatments, discussed herein, will help readers to better understand the mechanisms and limitations of these methods for the removal of pharmaceuticals from the environment. In addition, we compared AOPs and biological treatments for the disposal of pharmaceuticals from the point of view of cost, effectiveness, and popularity of their use. The exploitation of coupling AOPs and biological procedures for the degradation of pharmaceuticals in wastewater was also presented. It is worthy of note that an integrated AOPs/biological system is essential to reach the complete degradation of pharmaceuticals; other advantages of this hybrid technique involve low energy cost, an efficient degradation process and generation of non-toxic by-products.
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Affiliation(s)
- Nawal Taoufik
- Sultan Moulay Slimane University of Beni Mellal, Research Group in Environmental Sciences and Applied Materials (SEMA), FP Khouribga, Morocco.
| | - Wafaa Boumya
- Sultan Moulay Slimane University of Beni Mellal, Research Group in Environmental Sciences and Applied Materials (SEMA), FP Khouribga, Morocco
| | - Mounia Achak
- Science Engineer Laboratory for Energy, National School of Applied Sciences, Chouaïb Doukkali University, El Jadida, Morocco; Chemical & Biochemical Sciences, Green Process Engineering, CBS, Mohammed VI Polytechnic University, Ben Guerir, Morocco
| | - Mika Sillanpää
- Institute of Research and Development, Duy Tan University, Da Nang, 550000, Viet Nam; Faculty of Environment and Chemical Engineering, Duy Tan University, Da Nang, 550000, Viet Nam; Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P. O. Box 17011, Doornfontein, 2028, South Africa
| | - Noureddine Barka
- Sultan Moulay Slimane University of Beni Mellal, Research Group in Environmental Sciences and Applied Materials (SEMA), FP Khouribga, Morocco.
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Paumo HK, Dalhatou S, Katata-Seru LM, Kamdem BP, Tijani JO, Vishwanathan V, Kane A, Bahadur I. TiO2 assisted photocatalysts for degradation of emerging organic pollutants in water and wastewater. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115458] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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Mitra D, Zhou C, Bin Hashim MH, Hang TM, Gin KYH, Wang CH, Neoh KG. Emerging pharmaceutical and organic contaminants removal using carbonaceous waste from oil refineries. CHEMOSPHERE 2021; 271:129542. [PMID: 33445031 DOI: 10.1016/j.chemosphere.2021.129542] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Revised: 11/27/2020] [Accepted: 01/01/2021] [Indexed: 06/12/2023]
Abstract
The occurrence of emerging organic contaminants (EOCs) such as chemicals in personal care products, pharmaceuticals, plasticizers, etc. in surface waters is a growing global concern. The discharge of most EOCs is not regulated, and EOCs have been shown to be toxic to both human and aquatic life even at low concentrations. In this work, acid-leached carbon black waste (LCBW), a carbonaceous residue from petroleum refineries, was investigated as a potential waste-derived adsorbent for the removal of EOCs. Ciprofloxacin hydrochloride, (CIPRO, antibiotic), sulfamethoxazole (SULFA, antibiotic), acetaminophen (ACET, pharmaceutical), bisphenol A (BPA, plasticizer) and N,N-diethyl-3-methylbenzamide (DEET, insect repellent) were chosen as the target EOCs owing to their presence in relatively high concentrations in surface waters as well as in the influent and effluent of wastewater treatment plants. LCBW, with a specific surface area of 409 m2/g, demonstrated 90-99% removal of 10 ppm CIPRO, BPA, and ACET and 70-80% removal of 10 ppm SULFA and DEET in tap water. Adsorption was rapid, particularly for CIPRO, BPA, and ACET, wherein >85% of the adsorption occurred within 1 h of contact time. To illustrate the potential of LCBW as an adsorbent in different physical forms, ∼3 mm spherical beads of LCBW encapsulated within carboxymethyl cellulose matrix were prepared by a facile ionic gelation method and their adsorption performance was demonstrated.
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Affiliation(s)
- Debirupa Mitra
- NUS Environmental Research Institute, 1 Create Way, National University of Singapore, 138602, Singapore
| | - Changlu Zhou
- School of Chemical Engineering, East China University of Science and Technology, No. 130, Meilong Road, Shanghai, 200237, China
| | - Muhammad Hafiz Bin Hashim
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore
| | - Tai Ming Hang
- NUS Environmental Research Institute, 1 Create Way, National University of Singapore, 138602, Singapore
| | - Karina Yew-Hoong Gin
- Department of Civil and Environmental Engineering, National University of Singapore, 1 Engineering Drive 2, 117576, Singapore
| | - Chi-Hwa Wang
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore.
| | - Koon Gee Neoh
- Department of Chemical and Biomolecular Engineering, National University of Singapore, 4 Engineering Drive 4, 117585, Singapore.
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El-Azazy M, El-Shafie AS, Morsy H. Biochar of Spent Coffee Grounds as Per Se and Impregnated with TiO 2: Promising Waste-Derived Adsorbents for Balofloxacin. Molecules 2021; 26:molecules26082295. [PMID: 33921054 PMCID: PMC8071459 DOI: 10.3390/molecules26082295] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/09/2021] [Accepted: 04/13/2021] [Indexed: 12/22/2022] Open
Abstract
Biochars (BC) of spent coffee grounds, both pristine (SCBC) and impregnated with titanium oxide (TiO2@SCBC) were exploited as environmentally friendly and economical sorbents for the fluroquinolone antibiotic balofloxacin (BALX). Surface morphology, functional moieties, and thermal stabilities of both adsorbents were scrutinized using SEM, EDS, TEM, BET, FTIR, Raman, and TG/dT analyses. BET analysis indicated that the impregnation with TiO2 has increased the surface area (50.54 m2/g) and decreased the pore size and volume. Batch adsorption experiments were completed in lights of the experimental set-up of Plackett-Burman design (PBD). Two responses were maximized; the % removal (%R) and the adsorption capacity (qe, mg/g) as a function of four variables: pH, adsorbent dosage (AD), BALX concentration ([BALX]), and contact time (CT). %R of 68.34% and 91.78% were accomplished using the pristine and TiO2@SCBC, respectively. Equilibrium isotherms indicated that Freundlich model was of a perfect fit for adsorption of BALX onto both adsorbents. Maximum adsorption capacity (qmax) of 142.55 mg/g for SCBC and 196.73 mg/g for the TiO2@SCBC. Kinetics of the adsorption process were best demonstrated using the pseudo-second order (PSO) model. The adsorption-desorption studies showed that both adsorbents could be restored with the adsorption efficiency being conserved up to 66.32% after the fifth cycles.
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Oliveira G, Passos CP, Ferreira P, Coimbra MA, Gonçalves I. Coffee By-Products and Their Suitability for Developing Active Food Packaging Materials. Foods 2021; 10:foods10030683. [PMID: 33806924 PMCID: PMC8005104 DOI: 10.3390/foods10030683] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/18/2021] [Accepted: 03/19/2021] [Indexed: 01/30/2023] Open
Abstract
The coffee industry generates a wide variety of by-products derived from green coffee processing (pulp, mucilage, parchment, and husk) and roasting (silverskin and spent coffee grounds). All these fractions are simply discarded, despite their high potential value. Given their polysaccharide-rich composition, along with a significant number of other active biomolecules, coffee by-products are being considered for use in the production of plastics, in line with the notion of the circular economy. This review highlights the chemical composition of coffee by-products and their fractionation, evaluating their potential for use either as polymeric matrices or additives for developing plastic materials. Coffee by-product-derived molecules can confer antioxidant and antimicrobial activities upon plastic materials, as well as surface hydrophobicity, gas impermeability, and increased mechanical resistance, suitable for the development of active food packaging. Overall, this review aims to identify sustainable and eco-friendly strategies for valorizing coffee by-products while offering suitable raw materials for biodegradable plastic formulations, emphasizing their application in the food packaging sector.
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Affiliation(s)
- Gonçalo Oliveira
- CICECO–Aveiro Institute of Materials, Department of Materials and Ceramic Engineering, University of Aveiro, 3810-193 Aveiro, Portugal; (G.O.); (P.F.)
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (C.P.P.); (M.A.C.)
| | - Cláudia P. Passos
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (C.P.P.); (M.A.C.)
| | - Paula Ferreira
- CICECO–Aveiro Institute of Materials, Department of Materials and Ceramic Engineering, University of Aveiro, 3810-193 Aveiro, Portugal; (G.O.); (P.F.)
| | - Manuel A. Coimbra
- LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal; (C.P.P.); (M.A.C.)
| | - Idalina Gonçalves
- CICECO–Aveiro Institute of Materials, Department of Materials and Ceramic Engineering, University of Aveiro, 3810-193 Aveiro, Portugal; (G.O.); (P.F.)
- Correspondence:
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Hejna A. Potential applications of by-products from the coffee industry in polymer technology - Current state and perspectives. WASTE MANAGEMENT (NEW YORK, N.Y.) 2021; 121:296-330. [PMID: 33406477 DOI: 10.1016/j.wasman.2020.12.018] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 12/09/2020] [Accepted: 12/12/2020] [Indexed: 06/12/2023]
Abstract
Coffee is one of the most popular beverages in the world, and its popularity is continuously growing, which can be expressed by almost doubling production over the last three decades. Cultivation, processing, roasting, and brewing coffee are known for many years. These processes generate significant amounts of by-products since coffee bean stands for around 50% of the coffee cherry. Therefore, considering the current pro-ecological trends, it is essential to develop the utilization methods for the other 50% of the coffee cherry. Among the possibilities, much attention is drawn to polymer chemistry and technology. This industry branch may efficiently consume different types of lignocellulosic materials to use them as fillers for polymer composites or as intermediate sources of particular chemical compounds. Moreover, due to their chemical composition, coffee industry by-products may be used as additives modifying the oxidation resistance, antimicrobial, or antifungal properties of polymeric materials. These issues should be considered especially important in the case of biodegradable polymers, whose popularity is growing over the last years. This paper summarizes the literature reports related to the generation and composition of the coffee industry by-products, as well as the attempts of their incorporation into polymer technology. Moreover, potential directions of research based on the possibilities offered by the coffee industry by-products are presented.
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Affiliation(s)
- Aleksander Hejna
- Department of Polymer Technology, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland.
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Shin J, Kwak J, Lee YG, Kim S, Choi M, Bae S, Lee SH, Park Y, Chon K. Competitive adsorption of pharmaceuticals in lake water and wastewater effluent by pristine and NaOH-activated biochars from spent coffee wastes: Contribution of hydrophobic and π-π interactions. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 270:116244. [PMID: 33321433 DOI: 10.1016/j.envpol.2020.116244] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 11/25/2020] [Accepted: 12/06/2020] [Indexed: 05/17/2023]
Abstract
This study investigated the competitive adsorption mechanisms of pharmaceuticals (i.e., naproxen, diclofenac, and ibuprofen) toward the pristine and NaOH-activated biochars from spent coffee wastes (SCW) in lake water and wastewater effluent. The kinetic and isotherm studies revealed that the improved physicochemical characteristics and physically homogenized surfaces of the pristine SCW biochar through the chemical activation with NaOH were beneficial to the adsorption of pharmaceuticals (competitive equilibrium adsorption capacity (Qe, exp): NaOH-activated SCW biochar (61.25-192.07 μmol/g) > pristine SCW biochar (14.81-20.65 μmol/g)). The adsorptive removal of naproxen (Qe, exp = 14.81-18.81 μmol/g), diclofenac (Qe, exp = 15.73-20.00 μmol/g), and ibuprofen (Qe, exp = 16.20-20.65 μmol/g) for the pristine SCW biochar showed linear correlations with their hydrophobicity (log D at pH 7.0: ibuprofen (1.71) > diclofenac (1.37) > naproxen (0.25)). However, their Qe, exp values for the NaOH-activated SCW biochar (naproxen (176.39-192.07 μmol/g) > diclofenac (78.44-98.74 μmol/g) > ibuprofen (61.25-80.02 μmol/g)) were inversely correlated to the order of their log D values. These results suggest that the reinforced aromatic structure of the NaOH-activated SCW biochar facilitated the π-π interaction. The calculated thermodynamic parameters demonstrated that the competitive adsorption of pharmaceuticals on the NaOH-activated SCW biochar compared to pristine SCW biochar occurred more spontaneously over the entire pH (5.0-11.0) and ionic strength (NaCl: 0-0.125 M) ranges. These observations imply that the NaOH-activated SCW biochar might be potentially applicable for the removal of pharmaceuticals in lake water and wastewater effluent.
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Affiliation(s)
- Jaegwan Shin
- Department of Environmental Engineering, College of Engineering, Kangwon National University, Kangwondaehak-gil, 1, Chuncheon-si, Gangwon-do, 24341, Republic of Korea; Department of Integrated Energy and Infra System, Kangwon National University, Kangwondaehak-gil, 1, Chuncheon-si, Gangwon-do, 24341, Republic of Korea
| | - Jinwoo Kwak
- Department of Environmental Engineering, College of Engineering, Kangwon National University, Kangwondaehak-gil, 1, Chuncheon-si, Gangwon-do, 24341, Republic of Korea; Department of Integrated Energy and Infra System, Kangwon National University, Kangwondaehak-gil, 1, Chuncheon-si, Gangwon-do, 24341, Republic of Korea
| | - Yong-Gu Lee
- Department of Environmental Engineering, College of Engineering, Kangwon National University, Kangwondaehak-gil, 1, Chuncheon-si, Gangwon-do, 24341, Republic of Korea
| | - Sangwon Kim
- Department of Environmental Engineering, College of Engineering, Kangwon National University, Kangwondaehak-gil, 1, Chuncheon-si, Gangwon-do, 24341, Republic of Korea; Department of Integrated Energy and Infra System, Kangwon National University, Kangwondaehak-gil, 1, Chuncheon-si, Gangwon-do, 24341, Republic of Korea
| | - Minhee Choi
- Department of Civil and Environmental Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, Republic of Korea
| | - Sungjun Bae
- Department of Civil and Environmental Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, Republic of Korea
| | - Sang-Ho Lee
- Korea Hydro and Nuclear Power (KHNP) Central Research Institute, 50, 1312-gil, Yuseong-daero, Yuseong-gu, Daejeon, 34101, Republic of Korea
| | - Yongeun Park
- Department of Civil and Environmental Engineering, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul, Republic of Korea
| | - Kangmin Chon
- Department of Environmental Engineering, College of Engineering, Kangwon National University, Kangwondaehak-gil, 1, Chuncheon-si, Gangwon-do, 24341, Republic of Korea; Department of Integrated Energy and Infra System, Kangwon National University, Kangwondaehak-gil, 1, Chuncheon-si, Gangwon-do, 24341, Republic of Korea.
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Li S, Shi C, Sun S, Chan H, Lu H, Nilghaz A, Tian J, Cao R. From brown to colored: Polylactic acid composite with micro/nano-structured white spent coffee grounds for three-dimensional printing. Int J Biol Macromol 2021; 174:300-308. [PMID: 33524485 DOI: 10.1016/j.ijbiomac.2021.01.176] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 01/24/2021] [Accepted: 01/27/2021] [Indexed: 11/15/2022]
Abstract
Functional fillers in three-dimensional (3D) printing composite filaments offer an innovative way spent coffee grounds (SCGs) can be reused. However, the inherent brownness of SCGs places a limit on the color in which the composite filament and, consequently, the finished print appears. Herein, colored composite filaments for fused deposition modeling were successfully fabricated, where micro/nano-structured decolorized SCGs (MN-DSCGs) were embedded within polylactic acid (PLA) matrix. At the optimum condition, the 3D prints using composite filaments exhibit comparable tensile and flexural strength to the PLA counterparts. Also, they demonstrate superior melt flow and excellent print quality. Under the same condition, 3D printed MN-DSCGs/PLA blend has sufficient color restoration as compared to the prints using virgin PLA.
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Affiliation(s)
- Sheng Li
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Congcan Shi
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Shenghong Sun
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Huifang Chan
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Huimin Lu
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Azadeh Nilghaz
- Institute for Frontier Materials, Deakin University, Waurn Ponds Campus, Victoria 3216, Australia
| | - Junfei Tian
- State Key Laboratory of Pulp and Paper Engineering, School of Light Industry and Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Rong Cao
- Key Laboratory of Tropical Translational Medicine of Ministry of Education, Hainan Provincial Key Laboratory of Tropical Medicine, Hainan Medical University, Haikou 571199, China.
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Ouyang J, Zhou L, Liu Z, Heng JY, Chen W. Biomass-derived activated carbons for the removal of pharmaceutical mircopollutants from wastewater: A review. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.117536] [Citation(s) in RCA: 70] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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Zheng T, Zhou X, Guo J, Zhong C, Liu Y. Activated mineral adsorbent for the efficient removal of Pb(II) and Cd(II) from aqueous solution: adsorption performance and mechanism studies. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2020; 82:1896-1911. [PMID: 33201853 DOI: 10.2166/wst.2020.453] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Activated mineral adsorbent (AMA) was prepared via double salts (Na2SO4 and CaCO3) heat treatment activation of solid-state potassium feldspar. Adsorption performance of AMA for Cd(II) and Pb(II) was investigated by batch mode and factors affecting adsorption including pH value, initial concentration of adsorbate, contact time, adsorbent dosage and temperature on adsorption performance for Cd(II) and Pb(II) were studied. The results indicated that the adsorption process was pH dependent, endothermic and spontaneous. When the adsorption process of Cd(II) and Pb(II) on AMA reached equilibrium, the maximum saturated adsorption capacities were 263.16 and 303.03 mg/g for Cd(II) and Pb(II) ions, respectively, showing higher adsorption removal efficiency. The Langmuir adsorption isotherm and pseudo second kinetic equation could well fit the adsorption process of Cd(II) and Pb(II) by AMA. Besides, Fourier transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS) techniques were also performed to further reveal the adsorption mechanism. The results indicated that ion exchange, precipitation and adsorption played an important role in adsorption process. From the investigation, it was concluded that AMA was an excellent adsorbent with the advantages of environment-friendly, inexpensive, facile preparation and higher adsorption capacity of toxic Cd(II) and Pb(II) ions.
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Affiliation(s)
- Tao Zheng
- College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, Hunan Provice, China E-mail:
| | - Xiaohui Zhou
- College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, Hunan Provice, China E-mail:
| | - Jing Guo
- College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, Hunan Provice, China E-mail:
| | - Chubin Zhong
- Hunan Longe-Gallop Technology Co., Ltd, 410083, Changsha, Hunan Provice, China
| | - Yaochi Liu
- College of Chemistry and Chemical Engineering, Central South University, 410083, Changsha, Hunan Provice, China E-mail:
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Ahmed M, Hameed B, Hummadi E. Review on recent progress in chitosan/chitin-carbonaceous material composites for the adsorption of water pollutants. Carbohydr Polym 2020; 247:116690. [DOI: 10.1016/j.carbpol.2020.116690] [Citation(s) in RCA: 78] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 06/08/2020] [Accepted: 06/23/2020] [Indexed: 12/12/2022]
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Jain M, Mudhoo A, Ramasamy DL, Najafi M, Usman M, Zhu R, Kumar G, Shobana S, Garg VK, Sillanpää M. Adsorption, degradation, and mineralization of emerging pollutants (pharmaceuticals and agrochemicals) by nanostructures: a comprehensive review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:34862-34905. [PMID: 32656757 DOI: 10.1007/s11356-020-09635-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2019] [Accepted: 06/05/2020] [Indexed: 05/12/2023]
Abstract
This review discusses a fresh pool of research findings reported on the multiple roles played by metal-based, magnetic, graphene-type, chitosan-derived, and sonicated nanoparticles in the treatment of pharmaceutical- and agrochemical-contaminated waters. Some main points from this review are as follows: (i) there is an extensive number of nanoparticles with diverse physicochemical and morphological properties which have been synthesized and then assessed in their respective roles in the degradation and mineralization of many pharmaceuticals and agrochemicals, (ii) the exceptional removal efficiencies of graphene-based nanomaterials for different pharmaceuticals and agrochemicals molecules support arguably well a high potential of these nanomaterials for futuristic applications in remediating water pollution issues, (iii) the need for specific surface modifications and functionalization of parent nanostructures and the design of economically feasible production methods of such tunable nanomaterials tend to hinder their widespread applicability at this stage, (iv) supplementary research is also required to comprehensively elucidate the life cycle ecotoxicity characteristics and behaviors of each type of engineered nanostructures seeded for remediation of pharmaceuticals and agrochemicals in real contaminated media, and last but not the least, (v) real wastewaters are extremely complex in composition due to the mix of inorganic and organic species in different concentrations, and the presence of such mixed species have different radical scavenging effects on the sonocatalytic degradation and mineralization of pharmaceuticals and agrochemicals. Moreover, the formulation of viable full-scale implementation strategies and reactor configurations which can use multifunctional nanostructures for the effective remediation of pharmaceuticals and agrochemicals remains a major area of further research.
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Affiliation(s)
- Monika Jain
- Department of Natural Resource Management, College of Forestry, Banda University of Agriculture & Technology, Banda, Uttar Pradesh, 210001, India
| | - Ackmez Mudhoo
- Department of Chemical and Environmental Engineering, Faculty of Engineering, University of Mauritius, Réduit, 80837, Mauritius.
| | - Deepika Lakshmi Ramasamy
- Department of Separation Science, School of Engineering Science, Lappeenranta-Lahti University of Technology, Sammonkatu 12, FI-50130, Mikkeli, Finland
| | - Mahsa Najafi
- Department of Chemical Engineering, Faculty of Engineering, University of Tehran, Tehran, Iran
| | - Muhammad Usman
- PEIE Research Chair for the Development of Industrial Estates and Free Zones, Center for Environmental Studies and Research, Sultan Qaboos University, Al-Khoud, 123, Muscat, Oman
| | - Runliang Zhu
- CAS Key Laboratory of Mineralogy and Metallogeny, Guangdong Provincial Key Laboratory of Mineral Physics and Materials, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences (CAS), Guangzhou, 510640, China
| | - Gopalakrishnan Kumar
- Institute of Chemistry, Bioscience and Environmental Engineering, Faculty of Science and Technology, University of Stavanger, Box 8600 Forus, 4036, Stavanger, Norway
| | - Sutha Shobana
- Department of Chemistry & Research Centre, Mohamed Sathak Engineering College, Ramanathapuram, Tamil Nadu, India
| | - Vinod Kumar Garg
- Centre for Environmental Sciences and Technology, Central University of Punjab, Bathinda, 151001, India
| | - Mika Sillanpää
- Institute of Research and Development, Duy Tan University, Da Nang, 550000, Vietnam.
- Faculty of Environment and Chemical Engineering, Duy Tan University, Da Nang, 550000, Vietnam.
- School of Civil Engineering and Surveying, Faculty of Health, Engineering and Sciences, University of Southern Queensland, West Street, Toowoomba, QLD, 4350, Australia.
- Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P. O. Box 17011, Doornfontein, 2028, South Africa.
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Torrefaction of Coffee Husk Flour for the Development of Injection-Molded Green Composite Pieces of Polylactide with High Sustainability. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10186468] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Coffee husk, a major lignocellulosic waste derived from the coffee industry, was first ground into flour of fine particles of approximately 90 µm and then torrefied at 250 °C to make it more thermally stable and compatible with biopolymers. The resultant torrefied coffee husk flour (TCHF) was thereafter melt-compounded with polylactide (PLA) in contents from 20 to 50 wt% and the extruded green composite pellets were shaped by injection molding into pieces and characterized. Although the incorporation of TCHF reduced the ductility and toughness of PLA, filler contents of 20 wt% successfully yielded pieces with balanced mechanical properties in both tensile and flexural conditions and improved hardness. Contents of up to 30 wt% of TCHF also induced a nucleating effect that favored the formation of crystals of PLA, whereas the thermal degradation of the biopolyester was delayed by more than 7 °C. Furthermore, the PLA/TCHF pieces showed higher thermomechanical resistance and their softening point increased up to nearly 60 °C. Therefore, highly sustainable pieces were developed through the valorization of large amounts of coffee waste subjected to torrefaction. In the Circular Bioeconomy framework, these novel green composites can be used in the design of compostable rigid packaging and food contact disposables.
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de Araújo TP, Quesada HB, Bergamasco R, Vareschini DT, de Barros MASD. Activated hydrochar produced from brewer's spent grain and its application in the removal of acetaminophen. BIORESOURCE TECHNOLOGY 2020; 310:123399. [PMID: 32334363 DOI: 10.1016/j.biortech.2020.123399] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 04/13/2020] [Accepted: 04/16/2020] [Indexed: 06/11/2023]
Abstract
Acetaminophen has shown a gradual increase in detection in surface waters. Although present in low concentrations, it should be removed to prevent deleterious effects. Thus, adsorption onto activated carbon is emphasized. Adsorbents may be produced by hydrothermal carbonization (HTC), an environmental-friendly process. Therefore, this work aimed to investigate the use of HTC, verifying its application in acetaminophen removal. Brewer's spent grain (BSG), its hydrochar (HC-BSG) and its activated hydrochar (AHC-BSG) were characterized. HTC provided material with high carbon content. Lignocellulosic breakdown has been demonstrated in HC-BSG and AHC-BSG, but in the latter it was more intense as a result of activation with KOH. Also, a high surface area was found in AHC-BSG (1512.83 m2 g-1), resulting in an adsorption of 318.00 mg g-1. The pseudo-second-order and Langmuir models were fitted to the experimental data. Therefore, HTC was effective as a pretreatment for AHC-BSG, resulting in significant acetaminophen removals.
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Affiliation(s)
- Thiago Peixoto de Araújo
- State University of Maringa, Department of Chemical Engineering, Maringa 87020-900, Parana, Brazil
| | - Heloise Beatriz Quesada
- State University of Maringa, Department of Chemical Engineering, Maringa 87020-900, Parana, Brazil
| | - Rosângela Bergamasco
- State University of Maringa, Department of Chemical Engineering, Maringa 87020-900, Parana, Brazil
| | - Daniel Tait Vareschini
- State University of Maringa, Department of Chemical Engineering, Maringa 87020-900, Parana, Brazil
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Nascimento GED, Soares Oliveira MA, da Rocha Santana RM, Ribeiro BG, Silva Sales DC, Rodríguez-Díaz JM, Napoleão DC, da Motta Sobrinho MA, Duarte MMMB. Investigation of paracetamol degradation using LED and UV-C photo-reactors. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2020; 81:2545-2558. [PMID: 32857742 DOI: 10.2166/wst.2020.310] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
This work investigates the efficiency of LED and UV-C photo-reactors for paracetamol degradation using advanced oxidative processes. Among the evaluated processes, photo-Fenton was the most efficient for both radiations. Degradations greater than 81% (λ 197 nm) and 91% (λ 243 nm) were obtained in the kinetic study. These degradations were also observed by means of the reduction in the peaks in both spectral scanning and high-performance liquid chromatography analysis. The good fit of the Chan and Chu kinetic model shows that the degradation reaction has pseudo-first order behavior. Toxicity tests did not indicate the inhibition of growth of Lactuca sativa seeds and Escherichia coli bacterium. However, the growth of strains of the Salmonella enteritidis bacterium was inhibited in all the samples, demonstrating that only this bacterium was sensitive to solutions. The proposed empirical models obtained from the 24 factorial designs were able to predict paracetamol degradation. These models could, at the same levels assessed, be used to predict the percentage of degradation in studies using other organic compounds. The LED and UV-C photo-reactors were, when employing the photo-Fenton process, able to degrade paracetamol, thus highlighting the efficiency of LED radiation when its power (three times smaller) is compared to that of UV-C radiation.
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Affiliation(s)
- Graziele Elisandra do Nascimento
- Departamento de Engenharia Química, Universidade Federal de Pernambuco, Av. Prof. Arthur de Sá, s/n, 50740-521, Recife, PE, Brazil E-mail:
| | - Marcos André Soares Oliveira
- Departamento de Engenharia Química, Universidade Federal de Pernambuco, Av. Prof. Arthur de Sá, s/n, 50740-521, Recife, PE, Brazil E-mail:
| | - Rayany Magali da Rocha Santana
- Departamento de Engenharia Química, Universidade Federal de Pernambuco, Av. Prof. Arthur de Sá, s/n, 50740-521, Recife, PE, Brazil E-mail:
| | - Beatriz Galdino Ribeiro
- Departamento de Engenharia Química, Universidade Federal de Pernambuco, Av. Prof. Arthur de Sá, s/n, 50740-521, Recife, PE, Brazil E-mail:
| | - Deivson Cesar Silva Sales
- Escola Politécnica de Pernambuco, Universidade de Pernambuco, Rua Benfica, 455, Madalena, 50720-001, Recife, PE, Brazil
| | - Joan Manuel Rodríguez-Díaz
- Laboratorio de Análisis Químicos y Biotecnológicos, Instituto de Investigación, Universidad Técnica de Manabí, Portoviejo, Ecuador; Departamento de Procesos Químicos, Facultad de Ciencias Matemáticas, Físicas y Químicas, Universidad Técnica de Manabí, Portoviejo, Ecuador and Programa de Pós-graduação em Engenharia Química, Universidade Federal da Paraíba, João Pessoa 58051-900, Brazil
| | - Daniella Carla Napoleão
- Departamento de Engenharia Química, Universidade Federal de Pernambuco, Av. Prof. Arthur de Sá, s/n, 50740-521, Recife, PE, Brazil E-mail:
| | - Mauricio Alves da Motta Sobrinho
- Departamento de Engenharia Química, Universidade Federal de Pernambuco, Av. Prof. Arthur de Sá, s/n, 50740-521, Recife, PE, Brazil E-mail:
| | - Marta Maria Menezes Bezerra Duarte
- Departamento de Engenharia Química, Universidade Federal de Pernambuco, Av. Prof. Arthur de Sá, s/n, 50740-521, Recife, PE, Brazil E-mail:
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