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Khan P, Saha R, Halder G. Towards sorptive eradication of pharmaceutical micro-pollutant ciprofloxacin from aquatic environment: A comprehensive review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 919:170723. [PMID: 38340867 DOI: 10.1016/j.scitotenv.2024.170723] [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: 11/10/2023] [Revised: 01/15/2024] [Accepted: 02/03/2024] [Indexed: 02/12/2024]
Abstract
Antibiotics are widely prioritized pharmaceuticals frequently adopted in medication for addressing numerous ailments of humans and animals. However, the non-judicious disposal of ciprofloxacin (CIP) with concentration levels exceeding threshold limit in an aqueous environment has been the matter of growing concern nowadays. CIP is found in various waterways with appreciable mobility due to its limited decay in solidified form. Hence, the effective eradication strategy of this non-steroidal anti-inflammatory antibiotic from aqueous media is pivotal for preventing the users and the biosphere from their hazardous impacts. Reportedly several customary techniques like reverse osmosis, precipitation, cross-filtration, nano-filtration, ion exchange, microbial remediation, and adsorption have been employed to eliminate CIP from water. Out of them, adsorption is ascertained to be a potential method because of lesser preliminary investment costs, ease of operation, greater efficiency, less energy usage, reduced chemical and biological slurry production, and ready availability of precursor materials. Towards remediation of ciprofloxacin-laden water, plenty of researchers have used different adsorbents. However, the present-day challenge is opting the promising sorbent and its application towards industrial scale-up which is vital to get reviewed. In this article, adsorbents of diverse origins are reviewed in terms of their performances in CIP removal. The review stresses the impact of various factors on sorptive assimilation of CIP, adsorption kinetics, isotherms, mechanism of ionic interaction, contrivances for CIP detection, cost estimation and reusability assessments of adsorbents also that may endorse the next-generation investigators to decide the efficacious, environmental appealing and cost-competitive adsorbents for effective riddance of CIP from wastewater.
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Affiliation(s)
- Priyanka Khan
- Centre for Research on Environment and Water, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India; Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India; Department of Chemistry, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India
| | - Rajnarayan Saha
- Centre for Research on Environment and Water, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India; Department of Chemistry, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India
| | - Gopinath Halder
- Centre for Research on Environment and Water, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India; Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur 713209, West Bengal, India.
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2
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Ersan G, Dos Santos AJ, Lanza MRV, Perreault F, Garcia-Segura S. Enhancing the selective ciprofloxacin adsorption in urine matrices through the metal-doping of carbon sorbents. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 348:119298. [PMID: 37839202 DOI: 10.1016/j.jenvman.2023.119298] [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: 08/10/2023] [Revised: 10/04/2023] [Accepted: 10/07/2023] [Indexed: 10/17/2023]
Abstract
Pharmaceuticals excreted after administration can pollute water sources given their ineffective removal in conventional wastewater treatment plant. Among the techniques used during tertiary wastewater treatment, adsorption is an effective and cost-efficient method for removing antibiotics. This study aimed to investigate the adsorption of ciprofloxacin (CIP) on metal-doped granular activated carbon (GAC) and evaluate the impact of urine on CIP adsorption for pristine, pre-oxidized, and metal-doped GAC. The results showed that the uptake of CIP by iron (Fe)-doped GAC was higher than Ag-doped, pre-oxidized, and pristine GAC in single-solute isotherms (DI water). This higher uptake was attributed to the presence of Fe content (1.2%) on the carbon surface, which can strongly interact with zwitterionic CIP at a neutral pH. However, when synthetic human urine was introduced, the adsorption of CIP was negatively affected due to pore blockage and competition for available sorption sites on the GAC. Among the four types of GACs tested, the lowest reduction in CIP uptake in the urine solution was observed for Fe-doped GAC followed (%17) by pre-oxidized (64%), Ag-doped (%69), and pristine F400 (76%) carbon. These results suggested that the complexation between CIP and Fe-doped GAC in urine was stronger due to its higher functionalization compared to Ag-doped, pre-oxidized, and pristine GAC. As the equilibrium concentration of CIP increased, the competition between CIP and urine decreased on the surface of Fe-doped carbon, owing to the limited competition from urine for the available active sorption sites.
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Affiliation(s)
- Gamze Ersan
- School of Sustainable Engineering and The Built Environment, Arizona State University, Tempe, AZ, 85287-5306, USA.
| | - Alexsandro J Dos Santos
- School of Sustainable Engineering and The Built Environment, Arizona State University, Tempe, AZ, 85287-5306, USA; São Carlos Institute of Chemistry, University of São Paulo, Avenida Trabalhador São-Carlense 400, São Carlos, SP, 13566-590, Brazil
| | - Marcos R V Lanza
- São Carlos Institute of Chemistry, University of São Paulo, Avenida Trabalhador São-Carlense 400, São Carlos, SP, 13566-590, Brazil
| | - François Perreault
- School of Sustainable Engineering and The Built Environment, Arizona State University, Tempe, AZ, 85287-5306, USA; Department of Chemistry, University of Quebec in Montreal, CP 8888, Succ. Centre-Ville, Montreal, QC, H3C 3P8, Canada
| | - Sergi Garcia-Segura
- School of Sustainable Engineering and The Built Environment, Arizona State University, Tempe, AZ, 85287-5306, USA.
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3
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Cavazos-Cuello LA, Dávila-Guzmán NE, Botello-González J, Ocampo-Pérez R, Leura-Vicencio AK, Salazar Rábago JJ. Mechanistic evaluation in the removal of chlorpheniramine and ciprofloxacin on activated carbons. ENVIRONMENTAL RESEARCH 2023; 238:117196. [PMID: 37778603 DOI: 10.1016/j.envres.2023.117196] [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: 03/01/2023] [Revised: 09/21/2023] [Accepted: 09/25/2023] [Indexed: 10/03/2023]
Abstract
Chlorpheniramine (CPM) and Ciprofloxacin (CIP) adsorption onto a granular (GAC) and pelletized activated carbon (PAC) analyzing the physicochemical mechanisms involved using the carbon's characterization were studied. Adsorption isotherm studies were performed at temperatures of 25 °C at pH values of 4, 7 and 9 and at 45 °C at a pH of 7. The characterization demonstrated that GAC has a predominantly acid character due to its predominantly negative surface charge and acidic site concentration alongside the characteristic bands detected in the X-ray Photoemission Spectroscopy (XPS) study. On the other hand, PAC presented a mostly basic character due to its positive surface charge and basic site concentrations. The adsorption isotherm studies demonstrated that the Freundlich isotherm better described the equilibrium data with an average deviation percentage of 7.45 and 6.74 for GAC and PAC. The temperature and desorption studies demonstrated that the adsorption process occurs through a chemisorption mechanism, and the pH study alongside the GAC and PAC characterization demonstrated that the mechanisms involved are a combination of electrostatic interactions and pi-pi interactions between the CPM and CIP molecules and the carbon's surface. These results demonstrate that the adsorption process of these pharmaceutical compounds is done through a combination of physical and chemical interactions.
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Affiliation(s)
- Luis Alfonso Cavazos-Cuello
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Av. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N.L., 66455, Mexico.
| | - Nancy Elizabeth Dávila-Guzmán
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Av. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N.L., 66455, Mexico.
| | - Jesús Botello-González
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Av. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N.L., 66455, Mexico.
| | - Raúl Ocampo-Pérez
- Centro de Investigación y Estudios de Posgrado, Facultad de Ciencias Químicas, Universidad Autónoma de San Luis Potosí, Av. Dr. Manuel Nava, San Luis Potosí, S.L.P., 78210, Mexico.
| | - Adriana Karina Leura-Vicencio
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Av. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N.L., 66455, Mexico.
| | - Jacob J Salazar Rábago
- Universidad Autónoma de Nuevo León, Facultad de Ciencias Químicas, Av. Universidad S/N, Cd. Universitaria, San Nicolás de los Garza, N.L., 66455, Mexico.
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Zhang Y, Ma Q, Chen Z, Shi Y, Chen S, Zhang Y. Enhanced adsorption of diclofenac onto activated carbon derived from PET plastic by one-step pyrolysis with KOH. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:113790-113803. [PMID: 37851268 DOI: 10.1007/s11356-023-30376-0] [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: 07/24/2023] [Accepted: 10/06/2023] [Indexed: 10/19/2023]
Abstract
Plastic pollution is a severe threat to the health of ecosystems, and recycling plastics is recognized as a key control strategy. This study used the one-step pyrolysis assisted with KOH activation to recycle the widely used polyethylene terephthalate (PET) plastic as activated carbon (PET-AC) which was subsequently applied to adsorb diclofenac (DCF), a frequently detected emerging contaminant in water, for the first time. It was found that both the pyrolysis temperature and the addition of KOH can effectively regulate the pore sizes and volumes of PET-AC. PET-AC obtained at 700 °C demonstrated a high adsorption capacity of DCF up to 179.42 mg g-1 at 45 °C. The adsorption kinetics was conducted with both static jar and dynamic column tests and analyzed with various models. Thermodynamic results demonstrated that the adsorption of DCF was spontaneous and endothermic. The material also presented an excellent potential to adsorb other pharmaceuticals and personal care products in water. XPS and FTIR analysis indicated that the adsorption might be mainly driven by the physical forces, especially π-π interaction and hydrogen bonding. This study provided a reference for recycling waste plastic as an efficient adsorbent to eliminate organic contaminants from water.
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Affiliation(s)
- Yunhai Zhang
- School of Environmental Science and Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China
| | - Qing Ma
- School of Environmental Science and Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China
| | - Zihao Chen
- School of Environmental Science and Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China
| | - Yuexiao Shi
- School of Environmental Science and Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China
| | - Sirui Chen
- School of Environmental Science and Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China
| | - Yongjun Zhang
- School of Environmental Science and Engineering, Nanjing Tech University, Nanjing, 211816, People's Republic of China.
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de Azevedo CF, Rodrigues DLC, Silveira LL, Lima EC, Osorio AG, Andreazza R, de Pereira CMP, Poletti T, Machado Machado F. Comprehensive adsorption and spectroscopic studies on the interaction of magnetic biochar from black wattle sawdust with beta-blocker metoprolol. BIORESOURCE TECHNOLOGY 2023; 388:129708. [PMID: 37625653 DOI: 10.1016/j.biortech.2023.129708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/17/2023] [Accepted: 08/19/2023] [Indexed: 08/27/2023]
Abstract
The rise of contaminants of emerging concern in water-resources due to human activities has driven research toward wastewater treatment, specifically adsorption. The utilization of woody biomass for biochar production in adsorption has shown promise due to its high availability. This study shows the preparation of magnetic biochars (MB) from waste black wattle sawdust, utilizing ZnCl2 and NiCl2 (proportions: 1:0.5:0.5 = MB-0.5 and 1:1:1 = MB-1) as activating and magnetic agents. Synthesized via microwave-assisted-pyrolysis, MB boasts a high surface area (up to 765 m2.g-1) and functional groups, enhancing metoprolol medicine adsorption. Nonlinear kinetic and isothermal models were tested; the Avrami fractional-order kinetic model and Liu's isothermal model provided the best fits for experimental data. Thermodynamics and spectroscopic studies revealed spontaneous and exothermic adsorption processes, with physisorption magnitude and dominance of hydrogen-bond and π-π-interactions. MB can be easily extracted from an aqueous medium using magnetic fields, while adsorption capacity could be regenerated through green solvent elution.
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Affiliation(s)
- Cristiane Ferraz de Azevedo
- Technology Development Center, Federal University of Pelotas, 1 Gomes Carneiro St., 96010-610 Pelotas, RS, Brazil.
| | - Daniel Lucas Costa Rodrigues
- Technology Development Center, Federal University of Pelotas, 1 Gomes Carneiro St., 96010-610 Pelotas, RS, Brazil
| | - Leandro Lemos Silveira
- Technology Development Center, Federal University of Pelotas, 1 Gomes Carneiro St., 96010-610 Pelotas, RS, Brazil
| | - Eder Claudio Lima
- Institute of Chemistry, Federal University of Rio Grande do Sul, 9500 Bento Gonçalves Av., Postal Box 15003, 91501-970, Porto Alegre, RS, Brazil
| | - Alice Goncalves Osorio
- Technology Development Center, Federal University of Pelotas, 1 Gomes Carneiro St., 96010-610 Pelotas, RS, Brazil
| | - Robson Andreazza
- Center of Engineering, Federal University of Pelotas, 989 Benjamin Constant St., 96010-020 Pelotas, RS, Brazil
| | - Claudio Martin Pereira de Pereira
- Hub Innovat B³, Center for Chemical, Pharmaceutical and Food Sciences, Bio-Forensic Research Group, Federal University of Pelotas, 96160-000, Pelotas, RS, Brazil
| | - Tais Poletti
- Technology Development Center, Federal University of Pelotas, 1 Gomes Carneiro St., 96010-610 Pelotas, RS, Brazil; Hub Innovat B³, Center for Chemical, Pharmaceutical and Food Sciences, Bio-Forensic Research Group, Federal University of Pelotas, 96160-000, Pelotas, RS, Brazil
| | - Fernando Machado Machado
- Technology Development Center, Federal University of Pelotas, 1 Gomes Carneiro St., 96010-610 Pelotas, RS, Brazil.
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Orimolade BO, Oladipo AO, Idris AO, Usisipho F, Azizi S, Maaza M, Lebelo SL, Mamba BB. Advancements in electrochemical technologies for the removal of fluoroquinolone antibiotics in wastewater: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 881:163522. [PMID: 37068672 DOI: 10.1016/j.scitotenv.2023.163522] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 03/24/2023] [Accepted: 04/11/2023] [Indexed: 06/01/2023]
Abstract
In recent times, the need to make water safer and cleaner through the elimination of recalcitrant pharmaceutical residues has been the aim of many studies. Fluoroquinolone antibiotics such as ciprofloxacin, norfloxacin, enrofloxacin, and levofloxacin are among the commonly detected pharmaceuticals in wastewater. Since the presence of these pharmaceuticals in water bodies poses serious risks to living organisms, it is vital to adopt effective wastewater treatment techniques for their complete removal. Electrochemical technologies such as photoelectrocatalysis, electro-Fenton, electrocoagulation, and electrochemical oxidation have been established as techniques capable of the complete removal of organics including pharmaceuticals from wastewater. Hence, this review presents discussions on the recent progress (literature within 2018-2022) in the applications of common electrochemical processes for the degradation of fluoroquinolone antibiotics from wastewater. The fundamentals of these processes are highlighted while the results obtained using the processes are critically discussed. Furthermore, the inherent advantages and limitations of these processes in the mineralization of fluoroquinolone antibiotics are clearly emphasized. Additionally, appropriate recommendations are made toward improving electrochemical technologies for the complete removal of these pharmaceuticals with minimal energy consumption. Therefore, this review will serve as a bedrock for future researchers concerned with wastewater treatments to make informed decisions in the selection of suitable electrochemical techniques for the removal of pharmaceuticals from wastewater.
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Affiliation(s)
- Benjamin O Orimolade
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa, Private Bag X6, Florida Science Campus, 1709 Johannesburg, South Africa.
| | - Adewale O Oladipo
- Department of Life and Consumer Sciences, College of Agriculture and Environmental Sciences, University of South Africa, Private Bag X06, Florida 1710, South Africa
| | - Azeez O Idris
- UNESCO-UNISA Africa Chair in Nanoscience and Nanotechnology College of Graduates Studies, University of South Africa, Pretoria 392, South Africa; Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, Somerset West 7129, Western Cape, South Africa
| | - Feleni Usisipho
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa, Private Bag X6, Florida Science Campus, 1709 Johannesburg, South Africa
| | - Shohreh Azizi
- UNESCO-UNISA Africa Chair in Nanoscience and Nanotechnology College of Graduates Studies, University of South Africa, Pretoria 392, South Africa; Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, Somerset West 7129, Western Cape, South Africa
| | - Malik Maaza
- UNESCO-UNISA Africa Chair in Nanoscience and Nanotechnology College of Graduates Studies, University of South Africa, Pretoria 392, South Africa; Nanosciences African Network (NANOAFNET), iThemba LABS-National Research Foundation, Somerset West 7129, Western Cape, South Africa
| | - Sogolo L Lebelo
- Department of Life and Consumer Sciences, College of Agriculture and Environmental Sciences, University of South Africa, Private Bag X06, Florida 1710, South Africa
| | - Bhekie B Mamba
- Institute for Nanotechnology and Water Sustainability (iNanoWS), College of Science, Engineering and Technology, University of South Africa, Private Bag X6, Florida Science Campus, 1709 Johannesburg, South Africa
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Metal-organic frameworks for the adsorptive removal of pharmaceutically active compounds (PhACs): Comparison to activated carbon. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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8
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Khedri D, Hassani AH, Moniri E, Ahmad Panahi H, Khaleghian M. Temperature-responsive graphene oxide/N-isopropylacrylamide/2-allylphenol nanocomposite for the removal of phenol and 2,4-dichlorophenol from aqueous solution. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:2494-2508. [PMID: 35931852 DOI: 10.1007/s11356-022-22389-y] [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: 04/11/2022] [Accepted: 07/31/2022] [Indexed: 06/15/2023]
Abstract
In this study, a novel thermo-responsive polymer was synthesized with efficient grafting of N-isopropylacrylamide as a thermosensitive polymer onto the graphene oxide surface for the efficient removal of phenol and 2,4-dichlorophenol from aqueous solutions. The synthesized polymer was conjugated with 2-allylphenol. Phenol and 2,4-dichlorophenol were monitored by ultra-performance liquid chromatography system equipped with a photodiode array detector. The nanoadsorbent was characterized by different techniques. The nanoadsorbent revealed high adsorption capacity where the removal percentages of 91 and 99% were found under optimal conditions for phenol and 2,4-dichlorophenol, respectively (for phenol; adsorbent dosage = 0.005 g, pH = 8, temperature= 25 °C, contact time = 60 min; for 2,4-dichlorophenol; adsorbent dosage = 0.005 g, pH = 5, temperature = 25 °C, contact time = 10 min). Adsorption of phenol and 2,4-dichlorophenol onto nanoadsorbent followed pseudo-second-order kinetic and Langmuir isotherm models, respectively. The values of ΔG (average value = - 11.39 kJ mol-1 for phenol and 13.42 kJ mol-1 for 2,4-dichlorophenol), ΔH (- 431.72 J mol-1 for phenol and - 15,721.8 J mol-1 for 2,4-dichlorophenol), and ΔS (35.39 J mol-1 K-1 for phenol and - 7.40 J mol-1 K-1 for 2,4-dichlorophenol) confirmed spontaneous and exothermic adsorption. The reusability study indicated that the adsorbent can be reused in the wastewater treatment application. Thermosensitive nanoadsorbent could be used as a low-cost and efficient sorbent for phenol and 2,4-dichlorophenol removal from wastewater samples.
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Affiliation(s)
- Daryoush Khedri
- Department of Environmental Engineering, Faculty of Environment and Energy, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Amir Hessam Hassani
- Department of Environmental Engineering, Faculty of Environment and Energy, Science and Research Branch, Islamic Azad University, Tehran, Iran.
| | - Elham Moniri
- Department of Chemistry, Varamin (Pishva) Branch, Islamic Azad University, Varamin, Iran.
| | - Homayon Ahmad Panahi
- Department of Chemistry, Central Tehran Branch, Islamic Azad University, Tehran, Iran
| | - Mehrnoosh Khaleghian
- Department of Chemistry, Islamshahr Branch, Islamic Azad University, Islamshahr, Iran
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Technologies for removing pharmaceuticals and personal care products (PPCPs) from aqueous solutions: Recent advances, performances, challenges and recommendations for improvements. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.121144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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10
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Feitoza UDS, Thue PS, Lima EC, dos Reis GS, Rabiee N, de Alencar WS, Mello BL, Dehmani Y, Rinklebe J, Dias SLP. Use of Biochar Prepared from the Açaí Seed as Adsorbent for the Uptake of Catechol from Synthetic Effluents. Molecules 2022; 27:molecules27217570. [PMID: 36364397 PMCID: PMC9654046 DOI: 10.3390/molecules27217570] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 10/29/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022] Open
Abstract
This work proposes a facile methodology for producing porous biochar material (ABC) from açaí kernel residue, produced by chemical impregnation with ZnCl2 (1:1) and pyrolysis at 650.0 °C. The characterization was achieved using several techniques, and the biochar material was employed as an adsorbent to remove catechol. The results show that ABC carbon has hydrophilic properties. The specific surface area and total pore volume are 1315 m2·g−1 and 0.7038 cm3·g−1, respectively. FTIR revealed the presence of oxygenated groups, which can influence catechol adsorption. The TGA/DTG indicated that the sample is thermally stable even at 580 °C. Adsorption studies showed that equilibrium was achieved in <50 min and the Avrami kinetic model best fits the experimental data, while Freundlich was observed to be the best-fitted isotherm model. Catechol adsorption on ABC biochar is governed by van der Waals forces and microporous and mesoporous filling mechanisms. The Qmax is 339.5 mg·g−1 (40 °C) with 98.36% removal of simulated effluent, showing that açaí kernel is excellent biomass to prepare good biochar that can be efficiently used to treat real industrial effluents.
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Affiliation(s)
- Uendel dos Santos Feitoza
- Institute of Exact Sciences, Federal University of the South and Southeast of Pará (UNIFESPA), Marabá 68570-590, PA, Brazil
| | - Pascal S. Thue
- Institute of Chemistry, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 91501-970, RS, Brazil
| | - Eder C. Lima
- Institute of Chemistry, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 91501-970, RS, Brazil
- Correspondence: ; Tel.: +55-51-3308-7175
| | - Glaydson S. dos Reis
- Department of Forest Biomaterials and Technology, Swedish University of Agricultural Sciences, 245, 901 83 Umeå, Sweden
| | - Navid Rabiee
- School of Engineering, Macquarie University, Sydney, NSW 2109, Australia
| | - Wagner S. de Alencar
- Institute of Exact Sciences, Federal University of the South and Southeast of Pará (UNIFESPA), Marabá 68570-590, PA, Brazil
| | - Beatris L. Mello
- Institute of Chemistry, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 91501-970, RS, Brazil
| | - Younes Dehmani
- Laboratory of Chemistry and Biology Applied to the Environment, Faculty of Sciences of Meknes, Moulay Ismail University, Meknes 50070, Morocco
| | - Jörg Rinklebe
- School of Architecture and Civil Engineering, Institute of Foundation Engineering, University of Wuppertal, Water- and Waste-Management, Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany
| | - Silvio L. P. Dias
- Institute of Chemistry, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre 91501-970, RS, Brazil
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11
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Anchoring lactase in pectin-based hydrogels for lactose hydrolysis reactions. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.08.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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12
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Liu Y, Ma C, Zhou J, Zhu L, Cao L, Yang J. Ultra-high adsorption of Hg 0 using impregnated activated carbon by selenium. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:69450-69461. [PMID: 35576034 DOI: 10.1007/s11356-022-20541-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Accepted: 04/26/2022] [Indexed: 06/15/2023]
Abstract
Activated carbon was one of the main adsorptions utilized in elemental mercury (Hg0) removal from coal combustion flue gas. However, the high cost and low physical adsorption efficiency of activated carbon injection (ACI) limited its application. In this study, an ultra-high efficiency (nearly 100%) catalyst sorbent-Sex/Activated carbon (Sex/AC) was synthesized and applied to remove Hg0 in the simulated flue gas, which exhibited 120 times outstanding adsorption performance versus the conventional activated carbon. The Sex/AC reached 17.98 mg/g Hg0 adsorption capacity at 160 °C under the pure nitrogen atmosphere. Moreover, it maintained an excellent mercury adsorption tolerance, reaching the efficiency of Hg0 removal above 85% at the NO and SO2 conditions in a bench-scale fixed-bed reactor. Characterized by the multiple methods, including BET, XRD, XPS, kinetic and thermodynamic analysis, and the DFT calculation, we demonstrated that the ultrahigh mercury removal performance originated from the activated Se species in Sex/AC. Chemical adsorption plays a dominant role in Hg0 removal: Selenium anchored on the surface of AC would capture Hg0 in the flue gas to form an extremely stable substance-HgSe, avoiding subsequent Hg0 released. Additionally, the oxygen-containing functional groups in AC and the higher BET areas promote the conversion of Hg0 to HgO. This work provided a novel and highly efficient carbon-based sorbent -Sex/AC to capture the mercury in coal combustion flue gas. Graphical abstract Selenium-modified porous activated carbon and the interface functional group promotes the synergistic effect of physical adsorption and chemical adsorption to promote the adsorption capacity of Hg0.
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Affiliation(s)
- Ye Liu
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Processes, School of Resources and Environmental Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai, 200237, People's Republic of China
| | - Chenglong Ma
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Processes, School of Resources and Environmental Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai, 200237, People's Republic of China
| | - Jiacheng Zhou
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Processes, School of Resources and Environmental Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai, 200237, People's Republic of China
| | - Lin Zhu
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Processes, School of Resources and Environmental Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai, 200237, People's Republic of China
| | - Limei Cao
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Processes, School of Resources and Environmental Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai, 200237, People's Republic of China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, People's Republic of China
| | - Ji Yang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Processes, School of Resources and Environmental Engineering, East China University of Science and Technology, 130 Mei Long Road, Shanghai, 200237, People's Republic of China.
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, People's Republic of China.
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Teixeira RA, Lima EC, Benetti AD, Thue PS, Lima DR, Sher F, Dos Reis GS, Rabiee N, Seliem MK, Abatal M. Composite of methyl polysiloxane and avocado biochar as adsorbent for removal of ciprofloxacin from waters. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:74823-74840. [PMID: 35641743 DOI: 10.1007/s11356-022-21176-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: 03/23/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
Two carbon composite materials were prepared by mixing avocado biochar and methyl polysiloxane (MK). Firstly, MK was dissolved in ethanol, and then the biochar was added at different times. In sample 1 (R1), the time of adding biochar was immediately after dissolving MK in ethanol, and in sample 2 (R2), after 48 h of MK dissolved in ethanol. The samples were characterized by nitrogen adsorption/desorption measurements obtaining specific surface areas (SBET) of 115 m2 g-1 (R1) and 580 m2 g-1 (R2). The adsorbents were further characterized using scanning electron microscopy, FTIR and Raman spectroscopy, adsorption of vapors of n-heptane and water, thermal analysis, Bohem titration, pHpzc, and C H N elemental analysis. R1 and R2 adsorbents were employed as adsorbents to remove the antibiotic ciprofloxacin from the waters. The t1/2 and t0.95 based on the interpolation of Avrami fractional-order were 20.52 and 246.4 min (R1) and 14.00 and 157.6 min (R2), respectively. Maximum adsorption capacities (Qmax) based on the Liu isotherm were 10.77 (R1) and 63.80 mg g-1 (R2) for ciprofloxacin. The thermodynamic studies showed a spontaneous and exothermic process for both samples, and the value of ΔH° is compatible with physical adsorption.
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Affiliation(s)
- Roberta A Teixeira
- Graduate Program in Water Resources and Environmental Sanitation, Hydraulic Research Institute (IPH), Federal University of Rio Grande Do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Eder C Lima
- Institute of Chemistry, Federal University of Rio Grande Do Sul (UFRGS), Av. Bento Goncalves 9500, RS, Postal Box, 15003, Porto Alegre, ZIP 91501-970, Brazil.
- Graduate Program in Science of Materials (PGCIMAT), Institute of Chemistry, Federal University of Rio Grande Do Sul (UFRGS), Av. Bento Gonçalves 9500, Porto Alegre, RS, ZIP 91501-970, Brazil.
- Metallurgical, and Materials Engineering (PPGE3M), School of Engineering, Graduate Program in Mine, Federal University of Rio Grande Do Sul (UFRGS), Av. Bento Gonçalves 9500, Porto Alegre, RS, Brazil.
| | - Antônio D Benetti
- Graduate Program in Water Resources and Environmental Sanitation, Hydraulic Research Institute (IPH), Federal University of Rio Grande Do Sul (UFRGS), Porto Alegre, RS, Brazil
| | - Pascal S Thue
- Graduate Program in Science of Materials (PGCIMAT), Institute of Chemistry, Federal University of Rio Grande Do Sul (UFRGS), Av. Bento Gonçalves 9500, Porto Alegre, RS, ZIP 91501-970, Brazil
| | - Diana R Lima
- Metallurgical, and Materials Engineering (PPGE3M), School of Engineering, Graduate Program in Mine, Federal University of Rio Grande Do Sul (UFRGS), Av. Bento Gonçalves 9500, Porto Alegre, RS, Brazil
| | - Farooq Sher
- Department of Engineering, School of Science and Technology, Nottingham Trent University, Nottingham, NG11 8NS, UK
| | - Glaydson S Dos Reis
- Department of Forest Biomaterials and Technology, Swedish University of Agricultural Sciences, Biomass Technology Centre, 901 83, Umeå, Sweden
| | - Navid Rabiee
- Department of Physics, Sharif University of Technology, P.O. Box 11155-9161, Tehran, Iran
- School of Engineering, Macquarie University, Sydney, NSW, 2109, Australia
| | - Moaaz K Seliem
- Faculty of Earth Science, Beni-Suef University, Beni-Suef, Egypt
| | - Mohamed Abatal
- Facultad de Ingeniería, Universidad Autónoma del Carmen, C.P. 24153, Ciudad del Carmen, Mexico
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14
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Salawu OA, Han Z, Adeleye AS. Shrimp waste-derived porous carbon adsorbent: Performance, mechanism, and application of machine learning. JOURNAL OF HAZARDOUS MATERIALS 2022; 437:129266. [PMID: 35749892 DOI: 10.1016/j.jhazmat.2022.129266] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Revised: 05/10/2022] [Accepted: 05/28/2022] [Indexed: 06/15/2023]
Abstract
Aquaculture generates significant amount of processing wastes (more than 500 million pounds annually in the United States), the bulk of which ends up in the environment or is used in animal feed. Proper utilization of shrimp waste can increase their economic value and divert them from landfills. In this study, shrimp waste was converted to a porous carbon (named SPC) via direct pyrolysis and activation. SPC was characterized, and its performance for adsorbing ciprofloxacin from simulated water, natural waters, and wastewater was benchmarked against a commercial powdered activated carbon (PAC). The surface area of SPC (2262 m2/g) exceeded that of PAC (984 m2/g) due to abundance of micropores and mesopores. The adsorption of ciprofloxacin by SPC was thermodynamically spontaneous (ΔG = -19 kJ/mol) and fast (k1 = 1.05/min) at 25 °C. The capacity of SPC for ciprofloxacin (442 mg/g) was higher than that of PAC (181 mg/g). SPC also efficiently and simultaneously removed low concentrations (200 µg/L) of ciprofloxacin, long-chain per- and polyfluoroalkyl substances (PFAS), and Cu ions from water. An artificial neural network function was derived to predict ciprofloxacin adsorption and identify the relative contribution of each input parameter. This study demonstrates a sustainable and commercially viable pathway to reuse shrimp processing wastes.
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Affiliation(s)
- Omobayo A Salawu
- Department of Civil and Environmental Engineering, University of California, Irvine, Irvine, CA 92697-2175, USA
| | - Ziwei Han
- Department of Civil and Environmental Engineering, University of California, Irvine, Irvine, CA 92697-2175, USA
| | - Adeyemi S Adeleye
- Department of Civil and Environmental Engineering, University of California, Irvine, Irvine, CA 92697-2175, USA.
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Hu Q, Pang S, Wang D. In-depth Insights into Mathematical Characteristics, Selection Criteria and Common Mistakes of Adsorption Kinetic Models: A Critical Review. SEPARATION & PURIFICATION REVIEWS 2022. [DOI: 10.1080/15422119.2021.1922444] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Qili Hu
- College of Ecology and Environment, Chengdu University of Technology, Chengdu, China
| | - Shuyue Pang
- College of Ecology and Environment, Chengdu University of Technology, Chengdu, China
| | - Dan Wang
- College of Ecology and Environment, Chengdu University of Technology, Chengdu, China
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Removal of methyl orange and acid fuschin from aqueous solution by guanidinium functionalized cellulose prepared by radiation grafting. Radiat Phys Chem Oxf Engl 1993 2022. [DOI: 10.1016/j.radphyschem.2022.110290] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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17
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Kumar A, Patra C, Kumar S, Narayanasamy S. Effect of magnetization on the adsorptive removal of an emerging contaminant ciprofloxacin by magnetic acid activated carbon. ENVIRONMENTAL RESEARCH 2022; 206:112604. [PMID: 34968436 DOI: 10.1016/j.envres.2021.112604] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Revised: 12/14/2021] [Accepted: 12/18/2021] [Indexed: 06/14/2023]
Abstract
Magnetic acid activated carbons (MAAC) were prepared from the shells of Sterculia villosa Roxb by activating the biomass and magnetizing it using the co-precipitation technique. Characterization of MAAC prior and post adsorption was performed using various microscopic and spectroscopic analytical techniques, and they verified the formation of magnetic aggregates over porous activated carbon surface. Vibrating Sample Magnetometer (VSM) analysis confirmed the superparamagnetic behaviour of the adsorbent with saturation magnetization (Ms) value of 18.2 emu/g, causing an easy and rapid recovery from the adsorption setup in the presence of an external magnetic field. Langmuir isotherm and pseudo-second-order kinetic model best fit the experimental data with theoretical Langmuir maximum adsorption capacity as 81.97 mg/g and verifying chemisorption type of adsorption process, respectively. Thermodynamic analysis verified the interaction among adsorbate and adsorbent as endothermic, spontaneous, and thermodynamically favourable. Co-existing metal cations showed a significant reduction in ciprofloxacin removal efficiency; co-existing anions, though, showed a negligible influence on the adsorption efficiency of MAAC. Recyclability studies verified that the adsorption efficiency fell from 98% in the first cycle to 43% in the fifth cycle. The Ms value fell to 7.6 emu/g (after five adsorption cycles), affecting the adsorbent's recovery. The Phyto-toxicological assessment was performed to evaluate the environmental risk to human and aquatic life using Vigna mungo seeds. MAAC proved to be an effective and magnetically separable adsorbent for removing antibiotics.
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Affiliation(s)
- Ajit Kumar
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Chandi Patra
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Shravan Kumar
- Department of Chemical Engineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India
| | - Selvaraju Narayanasamy
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, 781039, Assam, India.
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Hydrothermal Carbonization of Waste Sugarcane Bagasse for the Effective Removal of Emerging Contaminants from Aqueous Solution. ADSORPT SCI TECHNOL 2022. [DOI: 10.1155/2022/8684737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022] Open
Abstract
Porous carbon spheres were fabricated from sugarcane bagasse using a sustainable hydrothermal carbonization process followed by alkali impregnation inert atmosphere activation. Developed spheres were technically analysed for their chemical science, structural morphology, texture, porosity with respect to size distribution, and thermal degradation. Spheres are functionally enriched with oxygenated groups showing amorphous nature portraying as a smooth surface. After activation, intensity of functional groups is reduced due to reduction reaction by KOH thereby yielding highly rich porous carbon. The active surface area developed on spheres is 111 m2 g-1 holding pores that are mesoporous in nature. Resistance to thermal exposure using TGA showed that decomposition of hemicelluloses followed by cellulose yielded aromatized carbon-rich skeleton through thermal degradation of carboxyl and hydroxyl groups. Developed carbon was found to be effective in removing Ciprofloxacin Hydrochloride from water with maximum adsorption capacity of 110.008 mg g-1. Mechanistic removal followed pseudo-second-order kinetics along with Freundlich mode of adsorption. The presence of carboxylic and hydroxyl groups in porous carbon favoured elimination of CPF from water. The development of HTC-derived carbon helped conserving the energy thereby reducing the cost requirement.
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Olalekan OA, Campbell AJ, Adewuyi A, Jye Lau W, Adeyemi OG. Synthesis and application of ZnO-MgO-NiO@Stearicamide mixed oxide for removal of ciprofloxacin and ampicillin from aqueous solution. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022] Open
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21
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Biological Potential of Products Obtained from Palm Trees of the Genus Syagrus. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:5580126. [PMID: 34457025 PMCID: PMC8397564 DOI: 10.1155/2021/5580126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Accepted: 08/10/2021] [Indexed: 11/17/2022]
Abstract
Medicinal plants have been used for centuries by communities worldwide, as they have diverse biological properties and are effective against numerous diseases. The genus Syagrus stands out for its versatility and for so many activities presented by these palm trees, mainly due to its rich chemical and fatty acid compositions. The genus has antibacterial potential, has antibiofilm, antiparasitic, antioxidant, prebiotic, antiulcerogenic, anticholinesterase, and hypoglycemic activities, and can produce biodiesel, amid others. Among all species, Syagrus coronata and Syagrus romanzoffiana stand out, presenting the greatest number of activities and applications. The secondary metabolites obtained from these palm trees present high activity even in low concentrations and can be used against infections and chronic diseases. Furthermore, these plants have been used in some communities for years and have presented healing properties, especially in inflammatory processes. Therefore, the Syagrus genus proves to be promising, which shows a lot of therapeutic potential.
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22
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Balarak D, McKay G. Utilization of MWCNTs/Al 2O 3 as adsorbent for ciprofloxacin removal: equilibrium, kinetics and thermodynamic studies. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART A, TOXIC/HAZARDOUS SUBSTANCES & ENVIRONMENTAL ENGINEERING 2021; 56:324-333. [PMID: 33499727 DOI: 10.1080/10934529.2021.1873674] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 12/12/2020] [Accepted: 12/18/2020] [Indexed: 06/12/2023]
Abstract
In the present study, the adsorption behavior of ciprofloxacin (CIP) from aqueous solution onto MWCNTs/Al2O3 was studied using batch experiments. Physical characterization of MWCNTs/Al2O3 was determined by SEM, XRD, and BET. The effective parameters investigated included: initial CIP concentration, contact time, MWCNTs/Al2O3 mass, and temperature. Based on experimental results and correlation coefficients, the rate of CIP adsorption followed the pseudo-second-model kinetics. Complete compatibility of the adsorption isotherm process was achieved with the Langmuir model, and the maximum adsorption capacity reached 41.73 mg/g under the optimized conditions (pH = 7, MWCNTs/Al2O3 dose = 1.2 g/L, contact time = 60 min, initial concentration = 10 mg/L, and temperature= 45 °C). The adsorption capacities based on the Langmuir model at different temperatures, 273, 288, 303, and 318 K, were equal to 72.18, 75.92, 79.65, and 83.47 mg/g, respectively. The determined parameters of the thermodynamic studies demonstrated the endothermic and spontaneous nature of the biosorption. The mean free energy was estimated from D-R isotherm model to be 0.316-0.707 KJ/mol, which clearly proved that the adsorption experiment followed a physical process. The data suggest that MWCNTs/Al2O3 could be used as a highly effective adsorbent material with a high capacity for the removal of antibiotics from water and wastewater.
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Affiliation(s)
- Davoud Balarak
- Department of Environmental Health, Health Promotion Research Center, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Gordon McKay
- Division of Sustainable Development, College of Science and Engineering, Hamad Bin Khalifa University, Education City, Doha, Qatar
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25
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Rodrigues DLC, Machado FM, Osório AG, de Azevedo CF, Lima EC, da Silva RS, Lima DR, Gonçalves FM. Adsorption of amoxicillin onto high surface area-activated carbons based on olive biomass: kinetic and equilibrium studies. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:41394-41404. [PMID: 32681342 DOI: 10.1007/s11356-020-09583-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 06/02/2020] [Indexed: 06/11/2023]
Abstract
This study presents the extraction of antibiotic amoxicillin (AMX) from aqueous solution employing activated carbons (AC) from olive biomass (OB). Two AC were prepared using ZnCl2 (activator agent), and a conventional muffle furnace (ACF) or microwave oven (ACMW). The structure, morphology, and textural properties from both AC were analyzed by scanning electron microscope (SEM), pH of point-zero-charge (pHPZC), infrared spectroscopy (FTIR), and N2 adsorption/desorption isotherms. AC with mesoporous structures rich in oxygenated groups and high specific area (as high as 1742 m2 g-1) were helpful for the efficient and fast adsorption of AMX. The Avrami kinetic nonlinear equation showed the best fitting for the empirical data when related to the pseudo-1st and pseudo-2nd order. The isothermal experimental data followed the Liu nonlinear model, displaying at 25 °C the maximum sorption capacity of 237.02 and 166.96 mg g-1 for the ACF and ACMW, respectively. An adsorption test with synthetic hospital effluent was carried out to evaluate the possibility of applying both adsorbents in wastewater purification. The purification efficiency was up to 94.4% and 91.96% for ACF and ACMW, respectively. Therefore, the AC obtained from OB (containing a mixture of seed, pulp, and olive peel) has a high potential for application in removing emerging contaminants from the wastewater.
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Affiliation(s)
- Daniel Lucas Costa Rodrigues
- Technology Development Center, Federal University of Pelotas (UFPEL), 1 Gomes Carneiro St., Pelotas, RS, 96010-610, Brazil
| | - Fernando Machado Machado
- Technology Development Center, Federal University of Pelotas (UFPEL), 1 Gomes Carneiro St., Pelotas, RS, 96010-610, Brazil.
| | - Alice Gonçalves Osório
- Technology Development Center, Federal University of Pelotas (UFPEL), 1 Gomes Carneiro St., Pelotas, RS, 96010-610, Brazil
| | - Cristiane Ferraz de Azevedo
- Technology Development Center, Federal University of Pelotas (UFPEL), 1 Gomes Carneiro St., Pelotas, RS, 96010-610, Brazil
| | - Eder Claudio Lima
- Institute of Chemistry, Federal University of Rio Grande do Sul (UFRGS), 9500 Bento Gonçalves Av., P.O. Box 15003, Porto Alegre, RS, 91501-970, Brazil
| | - Raphaelle S da Silva
- Institute of Chemistry, Federal University of Rio Grande do Sul (UFRGS), 9500 Bento Gonçalves Av., P.O. Box 15003, Porto Alegre, RS, 91501-970, Brazil
| | - Diana Ramos Lima
- Institute of Chemistry, Federal University of Rio Grande do Sul (UFRGS), 9500 Bento Gonçalves Av., P.O. Box 15003, Porto Alegre, RS, 91501-970, Brazil
| | - Fernanda Medeiros Gonçalves
- Livestock Research, Education and Extension Center, Federal University of Pelotas (UFPEL), 1529 Andrade Neves St., Pelotas, RS, 96020-080, Brazil
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Quintela DU, Henrique DC, dos Santos Lins PV, Ide AH, Erto A, Duarte JLDS, Meili L. Waste of Mytella Falcata shells for removal of a triarylmethane biocide from water: Kinetic, equilibrium, regeneration and thermodynamic studies. Colloids Surf B Biointerfaces 2020; 195:111230. [DOI: 10.1016/j.colsurfb.2020.111230] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/17/2020] [Accepted: 06/30/2020] [Indexed: 12/24/2022]
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Maged A, Kharbish S, Ismael IS, Bhatnagar A. Characterization of activated bentonite clay mineral and the mechanisms underlying its sorption for ciprofloxacin from aqueous solution. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:32980-32997. [PMID: 32524402 PMCID: PMC7417422 DOI: 10.1007/s11356-020-09267-1] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Accepted: 05/11/2020] [Indexed: 05/09/2023]
Abstract
The presence of emerging pollutants such as hazardous chemicals, pharmaceuticals, pesticides, and endocrine-disrupting chemicals in water sources is a serious concern to the environment and human health. Thus, this study focused on exploring the interaction mechanisms between ciprofloxacin (CIP) (antibiotic) and clay (a low-cost adsorbent) during sorption process. Acid activation technique was opted for modifying natural bentonite (NB) to enhance the adsorptive removal of CIP from water. The BET surface area analysis revealed that acid-activated bentonite (AAB) possessed more than two fold higher surface area as compared to NB. Combining pHzpc measurements, effect of solution pH and CIP speciation revealed that CIP sorption onto bentonite is highly dependent on solution pH. Kinetic studies confirmed that CIP sorption mechanism was chemisorption which included ion-exchange and surface complexation mechanisms. The mechanism of CIP sorption onto AAB was successfully explored with the assistance of characterization techniques. Maximal monolayer sorption capacity of AAB was found to be 305.20 mg/g, compared to 126.56 mg/g for NB. Reusability studies demonstrated that AAB could be reused successfully up to 5 cycles. Furthermore, column studies showed satisfactory results confirming that AAB can be successfully used in continuous mode for practical applications.
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Affiliation(s)
- Ali Maged
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland.
- Geology Department, Faculty of Science, Suez University, El Salam City, Suez Governorate, 43518, Egypt.
| | - Sherif Kharbish
- Geology Department, Faculty of Science, Suez University, El Salam City, Suez Governorate, 43518, Egypt
| | - Ismael Sayed Ismael
- Geology Department, Faculty of Science, Suez University, El Salam City, Suez Governorate, 43518, Egypt
| | - Amit Bhatnagar
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 1627, FI-70211, Kuopio, Finland.
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de O Salomón YL, Georgin J, Dos Reis GS, Lima ÉC, Oliveira MLS, Franco DSP, Netto MS, Allasia D, Dotto GL. Utilization of Pacara Earpod tree (Enterolobium contortisilquum) and Ironwood (Caesalpinia leiostachya) seeds as low-cost biosorbents for removal of basic fuchsin. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:33307-33320. [PMID: 32529627 DOI: 10.1007/s11356-020-09471-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Accepted: 05/26/2020] [Indexed: 06/11/2023]
Abstract
Wastes from the Pacara Earpod tree (Enterolobium contortisilquum) and Ironwood (Caesalpinia leiostachya) seeds were studied as biosorbents for the removal of basic fuchsin from waters. Both biosorbents were prepared and characterized by different analytical methods. The characterization data showed that both materials were mainly composed of lignin, cellulose, and hemicellulose. Both biosorbents exhibited roughened surfaces and surface functional groups such as C-H, C=O, C=C, C-O, C-N, and OH bonds. Furthermore, the XRD pattern shows an amorphous phase with a wide peak from 10 to 30° due to the lignin. In terms of dosage and pH, the use of 1 g L-1 and 9.0, respectively, is recommended. The initial concentrations for the biosorption kinetics ranged from 50 to 500 mg L-1, where the Pacara ear and the Ironwood reached an adsorption capacity of 145.62 and 100.743 mg g-1 for the 500 mg L-1. The pseudo-second-order was found to be the proper model for describing biosorption of basic fuchsin onto Pacara Earpod tree and Ironwood, respectively. For the isotherm experiments, the maximum experimental biosorption capacity was found to be 166.858 and 110.317 mg g-1 for the Pacara Earpod and Ironwood for the initial concentration of 500 mg L-1 at 328 K. The Langmuir and the Tóth models were the best for representing the equilibrium curves for the basic fuchsin on the Pacara Earpod and the Ironwood, respectively. Maximum adsorption capacities of 177.084 mg g-1 and 136.526 mg g-1 were achieved for the Pacara Earpod tree and Ironwood, respectively. The biosorption process was spontaneous, endothermic, and favorable for both biosorbents. The biosorbents were also applied for coloration removal of simulated textile effluents, reaching 66% and 54% for the Pacara Earpod and Ironwood, respectively. For the final application, the materials were used in fixed-bed biosorption, with an initial concentration of 200 mg L-1, reaching breakthrough times of 710 and 415 min, leading to biosorption capacities of the column of 124.5 and 76.5 mg g-1, for the Pacara Earpod and Ironwood, respectively.
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Affiliation(s)
- Yamil L de O Salomón
- Sanitary and Environmental Engineering Department, Federal University of Santa Maria, Santa Maria, 97105-900, Brazil
| | - Jordana Georgin
- Sanitary and Environmental Engineering Department, Federal University of Santa Maria, Santa Maria, 97105-900, Brazil
- Chemical Engineering Department, Federal University of Santa Maria-UFSM, 1000, Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - Glaydson Simões Dos Reis
- Graduate Program in Metallurgical, Mine, and Materials Engineering (PPGE3M), School of Engineering, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Éder Claudio Lima
- Graduate Program in Metallurgical, Mine, and Materials Engineering (PPGE3M), School of Engineering, Federal University of Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Marcos L S Oliveira
- Department of Civil and Environmental, Universidad De La Costa, Calle 58 #55-66, Barranquilla, 080002, Atlántico, Colombia.
- Faculdade Meridional IMED, 304, Passo Fundo, RS, 99070-220, Brazil.
| | - Dison S P Franco
- Chemical Engineering Department, Federal University of Santa Maria-UFSM, 1000, Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - Matias Schadeck Netto
- Chemical Engineering Department, Federal University of Santa Maria-UFSM, 1000, Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - Daniel Allasia
- Sanitary and Environmental Engineering Department, Federal University of Santa Maria, Santa Maria, 97105-900, Brazil
| | - Guilherme Luiz Dotto
- Chemical Engineering Department, Federal University of Santa Maria-UFSM, 1000, Roraima Avenue, Santa Maria, RS, 97105-900, Brazil.
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Andrade AC, Marinho JFU, de Souza AC, de Sousa Tavares T, Dias DR, Schwan RF, Nunes CA, Bastos SC. Prebiotic potential of pulp and kernel cake from Jerivá (Syagrus romanzoffiana) and Macaúba palm fruits (Acrocomia aculeata). Food Res Int 2020; 136:109595. [PMID: 32846620 DOI: 10.1016/j.foodres.2020.109595] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 07/22/2020] [Accepted: 07/23/2020] [Indexed: 01/09/2023]
Abstract
The jerivá (Syagrus romanzoffiana) and the macaúba (Acrocomia aculeata) are palm trees of the Arecaceae family, widely distributed in tropical and subtropical areas of Latin America, which have a low production cost and high productivity throughout the year. Due to the high content of lipids, their fruits have been used for oil extraction, which generates byproducts such as the pulps and the kernel cakes, a nutritionally rich byproduct that can be added into human food and, may have prebiotic potential. Therefore, the objective of this work was to characterize and evaluate the prebiotic potential of jerivá pulp (JP), macaúba pulp (MP), jerivá kernel cake (JC) and macaúba kernel cake (MC). For this, the fruits characterization was carried out through proximate composition, phenolic compounds content, and antioxidant activity, besides evaluating the antimicrobial and fermentative capacity of Bifidobacterium lactis, Lactobacillus casei, and Lactobacillus acidophilus against Escherichia coli. Jerivá and macaúba pulps and kernel cakes presented high levels of dietary fiber (20.45% JP, 37.87% JC, 19.95% MP and 35.81% MC) and high antioxidant activity, especially JP, which also showed the high values found for ABTS and DPPH (2498.49 µMTrolox·g-1 fruit and 96.97 g fruit·g-1 DPPH, respectively), has a high total phenolic content (850.62 mg GAE·100 g-1). Also, JP promoted a better growth of probiotic strains and a more relevant pH reduction when compared to the commercial prebiotic FOS. However, MP, JC, and MC were also able to favor the growth of the strains. Probiotic microorganisms were able to use JP, MP, JC, and MC and produced short-chain fatty acids such as lactic, propionic, butyric, and acetic acid, capable of promoting health benefits. Therefore, the byproducts from jerivá and macaúba oil extraction have characteristics that indicate their prebiotic potential, and maybe interesting components to increase the nutritional value of foods.
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Affiliation(s)
- Amanda Cristina Andrade
- Lavras Federal University, Department of Nutrition, Federal University of Lavras, University Campus, Post Office Box 3037, 37200-900 Lavras, Minas Gerais, Brazil
| | - Júlia Fernanda Urbano Marinho
- Lavras Federal University, Department of Nutrition, Federal University of Lavras, University Campus, Post Office Box 3037, 37200-900 Lavras, Minas Gerais, Brazil
| | - Angélica Cristina de Souza
- Lavras Federal University, Department of Biology, Federal University of Lavras, University Campus, Post Office Box 3037, 37200-900 Lavras, Minas Gerais, Brazil
| | - Talita de Sousa Tavares
- Lavras Federal University, Department of Chemistry, Federal University of Lavras, University Campus, Post Office Box 3037, 37200-900 Lavras, Minas Gerais, Brazil
| | - Disney Ribeiro Dias
- Lavras Federal University, Department of Food Science, Federal University of Lavras, University Campus, Post Office Box 3037, 37200-900 Lavras, Minas Gerais, Brazil
| | - Rosane Freitas Schwan
- Lavras Federal University, Department of Biology, Federal University of Lavras, University Campus, Post Office Box 3037, 37200-900 Lavras, Minas Gerais, Brazil
| | - Cleiton Antônio Nunes
- Lavras Federal University, Department of Food Science, Federal University of Lavras, University Campus, Post Office Box 3037, 37200-900 Lavras, Minas Gerais, Brazil.
| | - Sabrina Carvalho Bastos
- Lavras Federal University, Department of Nutrition, Federal University of Lavras, University Campus, Post Office Box 3037, 37200-900 Lavras, Minas Gerais, Brazil
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Lima EC, Gomes AA, Tran HN. Comparison of the nonlinear and linear forms of the van't Hoff equation for calculation of adsorption thermodynamic parameters (∆S° and ∆H°). J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113315] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Dutta J, Mala AA. Removal of antibiotic from the water environment by the adsorption technologies: a review. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2020; 82:401-426. [PMID: 32960788 DOI: 10.2166/wst.2020.335] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Antibiotics are known as emergent pollutants because of their toxicological properties. Due to continuous discharge and persistence in the aquatic environment, antibiotics are detected almost in every environmental matrix. Therefore antibiotics that are polluting the aquatic environment have gained significant research interest for their removal. Several techniques have been used to remove pollutants, but appropriate technology is still to be found. This review addresses the use of modified and cheap materials for antibiotic removal from the environment.
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Affiliation(s)
- Joydeep Dutta
- Department of Zoology School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, India E-mail:
| | - Aijaz Ahmad Mala
- Department of Zoology School of Bioengineering and Biosciences, Lovely Professional University, Phagwara, Punjab, India E-mail:
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Salomón YLDO, Georgin J, Franco DS, Netto MS, Grassi P, Piccilli DG, Oliveira ML, Dotto GL. Powdered biosorbent from pecan pericarp (Carya illinoensis) as an efficient material to uptake methyl violet 2B from effluents in batch and column operations. ADV POWDER TECHNOL 2020. [DOI: 10.1016/j.apt.2020.05.004] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Du J, Dong Z, Yang X, Zhao L. Radiation grafting of dimethylaminoethyl methacrylate on cotton linter and subsequent quaternization as new eco-friendly adsorbent for phosphate removal. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:24558-24567. [PMID: 32307685 DOI: 10.1007/s11356-020-08712-5] [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: 12/09/2019] [Accepted: 04/01/2020] [Indexed: 06/11/2023]
Abstract
Quaternary ammonium salt type cotton linter (QCL) was synthesized by radiation grafting of dimethylaminoethyl methacrylate (DMAEMA) onto cotton linter and subsequent quaternization. Batch and column adsorption experiments were used to evaluate the adsorption behaviors of the QCL for phosphate. The adsorption kinetics of QCL for phosphate were well obeyed pseudo-second-order mode. The adsorption isotherms were well fitted by Langmuir, Temkin, and Dubinin-Radushkevich model. Column experiments showed that the breakthrough curves were dependent on the inlet concentration and flow rate but independent on space velocity. Moreover the QCL can be effectively regenerated for further repeated use at least 10 cycles. And QCL exhibited good selective adsorption for phosphate. Such high adsorption and desorption efficiency of QCL made it employing for phosphate adsorption in practical application.
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Affiliation(s)
- Jifu Du
- School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning, 437100, China
| | - Zhen Dong
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Xin Yang
- School of Nuclear Technology and Chemistry & Biology, Hubei University of Science and Technology, Xianning, 437100, China
| | - Long Zhao
- State Key Laboratory of Advanced Electromagnetic Engineering and Technology, School of Electrical and Electronic Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China.
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Georgin J, Franco DSP, Netto MS, Allasia D, Oliveira MLS, Dotto GL. Treatment of water containing methylene by biosorption using Brazilian berry seeds (Eugenia uniflora). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:20831-20843. [PMID: 32248415 DOI: 10.1007/s11356-020-08496-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2019] [Accepted: 03/17/2020] [Indexed: 06/11/2023]
Abstract
Brazilian berry seeds (Eugenia uniflora) were used as an eco-friendly and low-cost biosorbent for the treatment of textile effluents containing methylene blue. Characterization techniques indicated that Brazilian berry seeds are constituted of irregular particles, mainly composed of lignin and holocellulose groups, distributed in an amorphous structure. Methylene blue biosorption was favorable at pH of 8, using a biosorbent dosage of 0.8 g L-1. The equilibrium was reached in the first 20 min for lower M methylene blue concentrations and 120 min for higher methylene blue concentrations. Furthermore, the general and pseudo-second-order models were suitable for describing the kinetic data. Langmuir was the most adequate model for describing the isotherm curves, predicting a biosorption capacity of 189.6 mg g-1 at 328 K. Biosorption was spontaneous (- 9.54 ≤ ΔG0 ≤ -8.06 kJ mol-1) and endothermic, with standard enthalpy change of 6.11 kJ mol-1. Brazilian berry seeds were successfully used to remove the color of two different simulated textile effluents, achieving 92.2% and 73.5% of removal. Last, the fixed-bed experiment showed that a column packed with Brazilian berry seeds can operate during 840 min, attaining biosorption capacity of 88.7 mg g-1. The data here presented indicates that textile effluents containing methylene blue can be easily and successfully treated by an eco-friendly and low-cost biosorbent like Brazilian berry seeds.
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Affiliation(s)
- Jordana Georgin
- Chemical Engineering Department, Federal University of Santa Maria, UFSM, 1000, Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
- Sanitary and Environmental Engineering Department, Federal University of Santa Maria, Santa Maria, 97105900, Brazil
| | - Dison S P Franco
- Chemical Engineering Department, Federal University of Santa Maria, UFSM, 1000, Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - Matias Schadeck Netto
- Chemical Engineering Department, Federal University of Santa Maria, UFSM, 1000, Roraima Avenue, Santa Maria, RS, 97105-900, Brazil
| | - Daniel Allasia
- Sanitary and Environmental Engineering Department, Federal University of Santa Maria, Santa Maria, 97105900, Brazil
| | - Marcos L S Oliveira
- Department of Civil and Environmental, Universidad De La Costa, Calle 58 #55-66, 080002, Barranquilla, Atlántico, Colombia.
- Faculdade Meridional IMED, 304, Passo Fundo, RS, 99070-220, Brazil.
| | - Guilherme Luiz Dotto
- Chemical Engineering Department, Federal University of Santa Maria, UFSM, 1000, Roraima Avenue, Santa Maria, RS, 97105-900, Brazil.
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Mashile GP, Dimpe KM, Nomngongo PN. A Biodegradable Magnetic Nanocomposite as a Superabsorbent for the Simultaneous Removal of Selected Fluoroquinolones from Environmental Water Matrices: Isotherm, Kinetics, Thermodynamic Studies and Cost Analysis. Polymers (Basel) 2020; 12:polym12051102. [PMID: 32408684 PMCID: PMC7285333 DOI: 10.3390/polym12051102] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2020] [Revised: 03/28/2020] [Accepted: 03/31/2020] [Indexed: 02/05/2023] Open
Abstract
The application of a magnetic mesoporous carbon/β-cyclodextrin–chitosan (MMPC/Cyc-Chit) nanocomposite for the adsorptive removal of danofloxacin (DANO), enrofloxacin (ENRO) and levofloxacin (LEVO) from aqueous and environmental samples is reported in this study. The morphology and surface characteristics of the magnetic nanocomposite were investigated by X-ray diffraction (XRD), Brunauer–Emmett–Teller (BET) adsorption–desorption and Fourier transform infrared spectroscopy (FTIR). The N2 adsorption–desorption results revealed that the prepared nanocomposite was mesoporous and the BET surface area was 1435 m2 g−1. The equilibrium data for adsorption isotherms were analyzed using two and three isotherm parameters. Based on the correlation coefficients (R2), the Langmuir and Sips isotherm described the data better than others. The maximum monolayer adsorption capacities of MMPC/Cyc-Chit nanocomposite for DANO, ENRO and LEVO were 130, 195 and 165 mg g−1, respectively. Adsorption thermodynamic studies performed proved that the adsorption process was endothermic and was dominated by chemisorption.
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Affiliation(s)
- Geaneth Pertunia Mashile
- Department of Chemical Sciences, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Doornfontein 2028, South Africa; (G.P.M.); (K.M.D.)
- DSI/NRF SARChI Chair: Nanotechnology for Water, University of Johannesburg, P.O. Box 17011, Doornfontein 2028, South Africa
| | - Kgokgobi Mogolodi Dimpe
- Department of Chemical Sciences, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Doornfontein 2028, South Africa; (G.P.M.); (K.M.D.)
- DSI/NRF SARChI Chair: Nanotechnology for Water, University of Johannesburg, P.O. Box 17011, Doornfontein 2028, South Africa
| | - Philiswa Nosizo Nomngongo
- Department of Chemical Sciences, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Doornfontein 2028, South Africa; (G.P.M.); (K.M.D.)
- DSI/NRF SARChI Chair: Nanotechnology for Water, University of Johannesburg, P.O. Box 17011, Doornfontein 2028, South Africa
- DSI/Mintek Nanotechnology Innovation Centre, University of Johannesburg, P.O. Box 17011, Doornfontein 2028, South Africa
- Correspondence: ; Tel.: +27115596187
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Gulen B, Bugdayci M, Turan A, Demircivi P. Determination of adsorption characteristics of monolayer titanium carbide with fluoroquinolone pollutants in aqueous solution. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.112643] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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37
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Sun Y, Yu F, Li C, Dai X, Ma J. Nano-/Micro-confined Water in Graphene Hydrogel as Superadsorbents for Water Purification. NANO-MICRO LETTERS 2019; 12:2. [PMID: 34138060 PMCID: PMC7770964 DOI: 10.1007/s40820-019-0336-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Accepted: 11/11/2019] [Indexed: 05/07/2023]
Abstract
Confined water has been proven to be of great importance due to its pervasiveness and contribution to life and many fields of scientific research. However, the control and characterization of confined water are a challenge. Herein, a confined space is constructed by flexibly changing the pH of a graphene oxide dispersion under the self-assembly process of a graphene hydrogel (GH), and the confined space is adjusted with variation from 10.04 to 3.52 nm. Confined water content in GH increases when the pore diameter of the confined space decreases; the corresponding adsorption capacity increases from 243.04 to 442.91 mg g-1. Moreover, attenuated total reflectance Fourier transform infrared spectroscopy and Raman spectroscopy are utilized to analyze the hydrogen bonding structure qualitatively and quantitatively, and correlation analysis reveals that the improvement in the adsorption capacity is caused by incomplete hydrogen bonding in the confined water. Further, confined water is assembled into four typical porous commercial adsorbents, and a remarkable enhancement of the adsorption capacity is achieved. This research demonstrates the application potential for the extraordinary properties of confined water and has implications for the development of highly effective confined water-modified adsorbents.
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Affiliation(s)
- Yiran Sun
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, People's Republic of China
| | - Fei Yu
- College of Marine Ecology and Environment, Shanghai Ocean University, Shanghai, 201306, People's Republic of China
| | - Cong Li
- Department of Chemical and Biomolecular Engineering, The University of Akron, Akron, OH, 44325, USA
| | - Xiaohu Dai
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, People's Republic of China
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, People's Republic of China
| | - Jie Ma
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, People's Republic of China.
- Research Center for Environmental Functional Materials, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, People's Republic of China.
- Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, People's Republic of China.
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Zhu G, Cheng G, Lu T, Cao Z, Wang L, Li Q, Fan J. An ionic liquid functionalized polymer for simultaneous removal of four phenolic pollutants in real environmental samples. JOURNAL OF HAZARDOUS MATERIALS 2019; 373:347-358. [PMID: 30928677 DOI: 10.1016/j.jhazmat.2019.03.101] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 03/22/2019] [Accepted: 03/23/2019] [Indexed: 05/10/2023]
Abstract
An ionic liquid functionalized polymer (IL-P) was prepared feasibly and simply by grafting1-butyl-3-vinylimidazolium bromide onto the silica surface. The IL-P was fully characterized, and the results showed that IL-P has a rough surface with a lower specific surface area (205.49 m2 g-1), and the involvement of ionic liquid significantly improved the adsorption performance of IL-P. The pH, initial concentration, adsorption time and temperature were investigated to discuss the adsorption behaviors of IL-P in aqueous solution. The adsorption process of 2,4-dichlorophenol (2,4-DCP), bisphenol A (BPA) and 2,4-dinitrophenol (2,4-DNP) onto IL-P better fitted the pseudo-second-order model, while that of 2-isonaphthol (2-NP) followed the pseudo-first-order model. The adsorption behaviors of IL-P towards 2,4-DCP and 2,4-DNP fitted well with Liu isotherm model, and that of BPA and 2-NP can be described by Langmuir model. The maximum adsorption capacities of 2,4-DCP, BPA, 2,4-DNP and 2-NP bound on IL-P was 239.7, 68.39, 56.86 and 64.28 mg g-1, respectively, and the adsorption of IL-P is a spontaneous physical process. Comparing with other adsorbent, the as-prepared IL-P showed excellent recognition ability towards the phenolic compounds and can be applied to adsorb and remove trace 2,4-DCP, 2-NP, 2,4-DNP and BPA simultaneously in complicated wastewater and soil samples.
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Affiliation(s)
- Guifen Zhu
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China.
| | - Guohao Cheng
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Tong Lu
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Zhiguo Cao
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Lifang Wang
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China
| | - Qianjin Li
- School of Public Health, Nanchang University, Nanchang, Jiangxi 330006, PR China
| | - Jing Fan
- School of Environment, Henan Key Laboratory for Environmental Pollution Control, Key Laboratory for Yellow River and Huai River Water Environmental Pollution Control, Ministry of Education, Henan Normal University, Xinxiang, Henan 453007, PR China.
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