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Chaturvedi M, Kaur N, Jeyaseelan C, Sillanpää M, Farraj SA, Sharma S. Composites of sodium alginate based - Functional materials towards sustainable adsorption of benzene phenol derivatives - Bisphenol A/Triclosan. ENVIRONMENTAL RESEARCH 2024; 255:119192. [PMID: 38777299 DOI: 10.1016/j.envres.2024.119192] [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: 02/06/2024] [Revised: 05/17/2024] [Accepted: 05/20/2024] [Indexed: 05/25/2024]
Abstract
The present study evaluates the adsorption efficiency of low-cost carbonaceous adsorbents as fly ash (FA), saw dust biochar (SDB) (untreated and alkali - treated), live/dead pulverized white rot fungus Hypocrea lixii biomass encapsulated in sodium alginate (SA) against the commercially available activated carbon (AC) and graphene oxide (GO) SA beads for removal of benzene phenol derivatives - Bisphenol A (BPA)/triclosan (TCS). Amongst bi - and tri - composites SA beads, tri-composite beads comprising of untreated flyash - dead fungal biomass - sodium alginate (UFA - DB - SA) showed at par results with commercial composite beads. The tri - composite beads with point zero charge (Ppzc) of 6.2 was characterized using FTIR, XRD, surface area BET and SEM-EDX. The batch adsorption using tri - composite beads revealed removal of 93% BPA with adsorption capacity of 16.6 mg/g (pH 6) and 83.72% TCS with adsorption capacity of 14.23 mg/g (pH 5), respectively at 50 ppm initial concentration with 6 % adsorbent dose in 5 h. Freundlich isotherm favoring multilayered adsorption provided a better fit with r2 of 0.9674 for BPA and 0.9605 for TCS respectively. Intraparticle diffusion model showed adsorption of BPA/TCS molecules to follow pseudo - second order kinetics with boundary layer diffusion governed by first step of fast adsorption and intraparticle diffusion within pores by second slow adsorption step. Thermodynamic parameters (ΔH°, ΔS°, ΔG°) revealed adsorption process as exothermic, orderly and spontaneous. Methanol showed better desorbing efficiency leading to five cycles reusability. The phytotoxicity assay revealed increased germination rate of mung bean (Vigna radiata) seeds, sprinkled with post adsorbed treated water (0 h, 5 h and 7 h) initially spiked with 50 ppm BPA/TCS. Overall, UFA - DB - SA tri - composite beads provides a cost effective and eco - friendly matrix for effective removal of hydrophobic recalcitrant compounds.
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Affiliation(s)
- Mridula Chaturvedi
- Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh, India.
| | - Navpreet Kaur
- Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh, India.
| | - Christine Jeyaseelan
- Department of Chemistry, Amity Institute of Applied Sciences, Amity University, Noida, Uttar Pradesh, India.
| | - Mika Sillanpää
- Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, South Africa; Functional Materials Group, Gulf University for Science and Technology, Mubarak Al-Abdullah, 32093, Kuwait.
| | - Saleh Al Farraj
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia.
| | - Shashi Sharma
- Amity Institute of Biotechnology, Amity University, Noida, Uttar Pradesh, India.
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Ravi M, Rathore SK, Sivalingam M. Investigation of performance of potential adsorbents for emissions mitigation in a diesel generator. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:44770-44788. [PMID: 38955970 DOI: 10.1007/s11356-024-34028-9] [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: 03/05/2024] [Accepted: 06/14/2024] [Indexed: 07/04/2024]
Abstract
Globally, the release of greenhouse gases primarily carbon dioxide (CO2) emissions to our Earth's surface has climbed by about 45% to its present atmospheric concentration rate of 420 parts per million (ppm) during the industrial era. An unprecedented rise in atmospheric CO2 concentration has been claimed to lead to significant factors such as global warming potential (GWP) and climate change effects. An increase in atmospheric CO2 concentrations is a serious threat to the environment. Recent research efforts have focused on mitigating emissions from anthropogenic point sources. Adsorption-based post-combustion CO2 capture using solid adsorbents is the most effective and efficient method for mitigating gas adsorption in the exhaust system. In the current study, activated carbons are obtained from three potential biomass, namely, (i) coconut shell, (ii) rice husk, and (iii) eucalyptus wood, through a - single-stage activation method. The prepared activated carbon materials are analyzed using proximate and ultimate analyses. Further investigations are performed using different characterization techniques to ensure their adsorption efficiency. Adsorbents are packed one after the other in an in-house fabricated double adsorption chamber and coupled to the exhaust unit of a generator. Test experiments are conducted to examine adsorbents' capture efficiency in emissions mitigation. Adsorbents' adsorption parameters are evaluated in experimental investigations. At 2.5 bar and 50 °C, a maximum loading capacity of samples is achieved by 4.85 mmol/g, 4.58 mmol/g, and 5.96 mmol/g for coconut shell, rice husk, and eucalyptus wood adsorbents, respectively. With a post-combustion carbon adsorption chamber, CO2 and NO are captured about 40-64% and 38-58%, respectively, for all three adsorbents. The thermodynamic parameter of isosteric heat of adsorption value is below 40 kJ/mol, ensuring physisorption for all adsorbents.
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Affiliation(s)
- Maniarasu Ravi
- Department of Mechanical Engineering, Thiagarajar College of Engineering, Thiruparankundram, Madurai, Tamil Nadu, 625015, India.
- Department of Mechanical Engineering, Heat Power Laboratory, National Institute of Technology, Rourkela, Odisha, 769008, India.
| | - Sushil Kumar Rathore
- Department of Mechanical Engineering, Heat Power Laboratory, National Institute of Technology, Rourkela, Odisha, 769008, India
| | - Murugan Sivalingam
- Department of Mechanical Engineering, Heat Power Laboratory, National Institute of Technology, Rourkela, Odisha, 769008, India
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Almeida-Naranjo CE, Frutos M, Guerrero VH, Villamar-Ayala C. Characterization and Performance of Peanut Shells in Caffeine and Triclosan Removal in Batch and Fixed-Bed Column Tests. Molecules 2024; 29:2923. [PMID: 38930987 PMCID: PMC11206578 DOI: 10.3390/molecules29122923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2024] [Revised: 06/05/2024] [Accepted: 06/06/2024] [Indexed: 06/28/2024] Open
Abstract
Peanut shells' adsorption performance in caffeine and triclosan removal was studied. Peanut shells were analyzed for their chemical composition, morphology, and surface functional groups. Batch adsorption and fixed-bed column experiments were carried out with solutions containing 30 mg/L of caffeine and triclosan. The parameters examined included peanut shell particle size (120-150, 300-600, and 800-2000 µm), adsorbent dose (0.02-60 g/L), contact time (up to 180 min), bed height (4-8 cm), and hydraulic loading rate (2.0 and 4.0 m3/m2-day). After determining the optimal adsorption conditions, kinetics, isotherm, and breakthrough curve models were applied to analyze the experimental data. Peanut shells showed an irregular surface and consisted mainly of polysaccharides (around 70% lignin, cellulose, and hemicellulose), with a specific surface area of 1.7 m2/g and a pore volume of 0.005 cm3/g. The highest removal efficiencies for caffeine (85.6 ± 1.4%) and triclosan (89.3 ± 1.5%) were achieved using the smallest particles and 10.0 and 0.1 g/L doses over 180 and 45 min, respectively. Triclosan showed easier removal compared to caffeine due to its higher lipophilic character. The pseudo-second-order kinetics model provided the best fit with the experimental data, suggesting a chemisorption process between caffeine/triclosan and the adsorbent. Equilibrium data were well-described by the Sips model, with maximum adsorption capacities of 3.3 mg/g and 289.3 mg/g for caffeine and triclosan, respectively. In fixed-bed column adsorption tests, particle size significantly influenced efficiency and hydraulic behavior, with 120-150 µm particles exhibiting the highest adsorption capacity for caffeine (0.72 mg/g) and triclosan (143.44 mg/g), albeit with clogging issues. The experimental data also showed good agreement with the Bohart-Adams, Thomas, and Yoon-Nelson models. Therefore, the findings of this study highlight not only the effective capability of peanut shells to remove caffeine and triclosan but also their versatility as a promising option for water treatment and sanitation applications in different contexts.
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Affiliation(s)
- Cristina E. Almeida-Naranjo
- Grupo de Biodiversidad Medio Ambiente y Salud (BIOMAS), Facultad de Ingeniería y Ciencias Aplicadas, Universidad de Las Américas, Redondel del Ciclista Antigua Vía a Nayón, Quito 170124, Ecuador
| | - Mayra Frutos
- Department of Civil and Environmental Engineering, Escuela Politécnica Nacional, Ladrón de Guevara E1-253, Quito 170525, Ecuador;
| | - Victor H. Guerrero
- Department of Materials, Escuela Politécnica Nacional, Ladrón de Guevara E11-253, Quito 170525, Ecuador;
| | - Cristina Villamar-Ayala
- Departamento de Ingeniería en Obras Civiles, Facultad de Ingeniería, Universidad Santiago de Chile (USACH), Av. Victor Jara 3659, Estación Central, Santiago 9170022, Chile;
- Programa Para el Desarrollo de Sistemas Productivos Sostenibles, Facultad de Ingeniería, Universidad de Santiago de Chile (USACH), Av. Victor Jara 3769, Estación Central, Santiago 9170022, Chile
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Ismanto A, Hadibarata T, Sugianto DN, Zainuri M, Kristanti RA, Wisha UJ, Hernawan U, Anindita MA, Gonsilou AP, Elshikh MS, Al-Mohaimeed AM, Abbasi AM. First evidence of microplastics in the water and sediment of Surakarta city river basin, Indonesia. MARINE POLLUTION BULLETIN 2023; 196:115677. [PMID: 37862842 DOI: 10.1016/j.marpolbul.2023.115677] [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: 09/11/2023] [Revised: 10/11/2023] [Accepted: 10/14/2023] [Indexed: 10/22/2023]
Abstract
The main aim of this study was to assess the presence of microplastics in the water and sediments of the Surakarta city river basin in Indonesia. In order to accurately reflect the river basin, a deliberate selection process was employed to choose three separate sampling locations and twelve sampling points. The results of the study revealed that fragments and fibers were the primary types of microplastics seen in both water and sediment samples. Furthermore, a considerable percentage of microplastics, comprising 53.8 % of the total, had dimensions below 1 mm. Moreover, the prevailing hues identified in the water samples were blue and black, comprising 45.1 % of the overall composition. In contrast, same color categories accounted for 23.3 % of the microplastics found in the soil samples. The analysis of microplastic polymers was carried out utilizing ATR-FTIR spectroscopy, which yielded the identification of various types including polystyrene, silicone polymer, polyester, and polyamide.
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Affiliation(s)
- Aris Ismanto
- Department of Oceanography, Faculty of Fisheries and Marine Science, Diponegoro University, Semarang 50275, Indonesia
| | - Tony Hadibarata
- Department of Oceanography, Faculty of Fisheries and Marine Science, Diponegoro University, Semarang 50275, Indonesia; Environmental Engineering Program, Faculty of Engineering and Science, Curtin University Malaysia, CDT 250 Miri, Malaysia.
| | - Denny Nugroho Sugianto
- Department of Oceanography, Faculty of Fisheries and Marine Science, Diponegoro University, Semarang 50275, Indonesia
| | - Muhammad Zainuri
- Department of Oceanography, Faculty of Fisheries and Marine Science, Diponegoro University, Semarang 50275, Indonesia
| | - Risky Ayu Kristanti
- Research Center for Oceanography, National Research Center for Oceanography, Jakarta 14430, Indonesia
| | - Ulung Jantama Wisha
- Research Institute for Coastal Resources and Vulnerability, Ministry of Marine Affairs and Fisheries, Jl. Raya Padang-Painan KM. 16, Bungus, Padang - Sumatera, Barat 25245, Indonesia
| | - Undang Hernawan
- Research Center for Oceanography, National Research Center for Oceanography, Jakarta 14430, Indonesia
| | - Malya Asoka Anindita
- Department of Oceanography, Faculty of Fisheries and Marine Science, Diponegoro University, Semarang 50275, Indonesia
| | - Audrey Primus Gonsilou
- Department of Water and Environmental Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Johor Bahru, Johor, Malaysia
| | - Mohamed Soliman Elshikh
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Amal M Al-Mohaimeed
- Department of Chemistry, College of Science, King Saud University, P.O. Box 22452, Riyadh 11495, Saudi Arabia
| | - Arshad Mehmood Abbasi
- Department of Environmental Sciences, COMSATS University Islamabad, Abbottabad Campus, 22060, Pakistan; University of Gastronomic Sciences, Piazza Vittorio Emanuele II, 9, 12042 Pollenzo, CN, Italy
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Ghafouri M, Pourjafar F, Ghobadi Nejad Z, Yaghmaei S. Biological treatment of triclosan using a novel strain of Enterobacter cloacae and introducing naphthalene dioxygenase as an effective enzyme. JOURNAL OF HAZARDOUS MATERIALS 2023; 459:131833. [PMID: 37473572 DOI: 10.1016/j.jhazmat.2023.131833] [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: 03/26/2023] [Revised: 05/22/2023] [Accepted: 06/09/2023] [Indexed: 07/22/2023]
Abstract
In recent years, triclosan (TCS) has been widely used as an antibacterial agent in personal care products due to the spread of the Coronavirus. TSC is an emerging contaminant, and due to its stability and toxicity, it cannot be completely degraded through traditional wastewater treatment methods. In this study, a novel strain of Enterobacter cloacae was isolated and identified that can grow in high TCS concentrations. Also, we introduced naphthalene dioxygenase as an effective enzyme in TCS biodegradation, and its role during the removal process was investigated along with the laccase enzyme. The change of cell surface hydrophobicity during TCS removal revealed that a glycolipid biosurfactant called rhamnolipid was involved in TCS removal, leading to enhanced biodegradation of TCS. The independent variables, such as initial TCS concentration, pH, removal duration, and temperature, were optimized using the response surface method (RSM). As a result, the maximum TCS removal (97%) was detected at a pH value of 7 and a temperature of 32 °C after 9 days and 12 h of treatment. Gas chromatography-mass spectrometry (GC/MS) analysis showed five intermediate products and a newly proposed pathway for TCS degradation. Finally, the phytotoxicity experiment conducted on Cucumis sativus and Lens culinaris seeds demonstrated an increase in germination power and growth of stems and roots in comparison to untreated water. These results indicate that the final treated water was less toxic.
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Affiliation(s)
- Mahsa Ghafouri
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Fatemeh Pourjafar
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran
| | - Zahra Ghobadi Nejad
- Biochemical & Bioenvironmental Research Center, Sharif University of Technology, Azadi Avenue, P.O Box 11155-1399, Tehran, Iran
| | - Soheila Yaghmaei
- Department of Chemical and Petroleum Engineering, Sharif University of Technology, Tehran, Iran; Biochemical & Bioenvironmental Research Center, Sharif University of Technology, Azadi Avenue, P.O Box 11155-1399, Tehran, Iran.
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Ramírez-Hernández M, Cox J, Thomas B, Asefa T. Nanomaterials for Removal of Phenolic Derivatives from Water Systems: Progress and Future Outlooks. Molecules 2023; 28:6568. [PMID: 37764344 PMCID: PMC10535519 DOI: 10.3390/molecules28186568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 08/31/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
Environmental pollution remains one of the most challenging problems facing society worldwide. Much of the problem has been caused by human activities and increased usage of various useful chemical agents that inadvertently find their way into the environment. Triclosan (TCS) and related phenolic compounds and derivatives belong to one class of such chemical agents. In this work, we provide a mini review of these emerging pollutants and an outlook on the state-of-the-art in nanostructured adsorbents and photocatalysts, especially nanostructured materials, that are being developed to address the problems associated with these environmental pollutants worldwide. Of note, the unique properties, structures, and compositions of mesoporous nanomaterials for the removal and decontamination of phenolic compounds and derivatives are discussed. These materials have a great ability to scavenge, adsorb, and even photocatalyze the decomposition of these compounds to mitigate/prevent their possible harmful effects on the environment. By designing and synthesizing them using silica and titania, which are easier to produce, effective adsorbents and photocatalysts that can mitigate the problems caused by TCS and its related phenolic derivatives in the environment could be fabricated. These topics, along with the authors' remarks, are also discussed in this review.
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Affiliation(s)
- Maricely Ramírez-Hernández
- Department of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, 98 Brett Road, Piscataway, NJ 08854, USA
| | - Jordan Cox
- Department of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, 98 Brett Road, Piscataway, NJ 08854, USA
| | - Belvin Thomas
- Department of Chemistry and Chemical Biology, Rutgers, New Brunswick, Rutgers, The State University of New Jersey, 98 Brett Road, Piscataway, NJ 08854, USA
| | - Tewodros Asefa
- Department of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, 98 Brett Road, Piscataway, NJ 08854, USA
- Department of Chemistry and Chemical Biology, Rutgers, New Brunswick, Rutgers, The State University of New Jersey, 98 Brett Road, Piscataway, NJ 08854, USA
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Moazeni M, Reza Maracy M, Ghazavi R, Bedia J, Andrew Lin KY, Ebrahimi A. Removal of triclosan from aqueous matrixes: A systematic review with detailed meta-analysis. J Mol Liq 2023. [DOI: 10.1016/j.molliq.2023.121450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
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Hussain NB, Akgül ET, Yılmaz M, Parlayıcı Ş, Hadibarata T. Preparation and characterization of low-cost activated carbon from Moringa oleifera chemically activated using ZnCl 2 for the adsorption of bisphenol A. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2022; 25:1199-1214. [PMID: 36437736 DOI: 10.1080/15226514.2022.2144796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The use of agricultural by-products such as Moringa oleifera plants is one effort to support the reduction of environmental pollution. Activated carbon produces from agricultural wastes is relatively less expensive and can replace traditional methods such as renewable as well as nonrenewable materials such as petroleum residue and coal. In this study, the removal of bisphenol A from aqueous media was studied using activated carbon produced from M. oleifera pods and peels. A batch adsorption study was carried out by varying the parameters of the adsorption process. A maximum removal percentage of 95.46% was achieved at optimum conditions of 2.5 g L-1 adsorbent dose, pH 7, 60 min contact time and 20 mg L-1 initial concentration of BPA. The BET surface areas of MOP, MOP-AC and MOP-ACZ were found to be 12.60, 4.10 and 45.96 m2/g, respectively. The experimental data were analyzed by Langmuir, Freundlich and Temkin adsorption isotherm models. Equilibrium data fitted well with the Langmuir isotherm with a maximum monolayer adsorption capacity of 20.14 mg g-1. The rates of adsorption were found to conform to the pseudo-second-order kinetics with a good correlation. The results indicate that the M. oleifera activated carbon could be employed as a low-cost alternative to commercial activated carbon in the removal of BPA from water.
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Affiliation(s)
- Nafsiah Binti Hussain
- UBF Maintenance Sdn Bhd, Kawasan Perindustrian Teluk Kalong Kemaman, Kijal, Terengganu, Malaysia
| | - Eda Taga Akgül
- Department of Chemical Engineering, Faculty of Engineering, Osmaniye Korkut Ata University, Osmaniye, Turkey
| | - Murat Yılmaz
- Department of Chemical Engineering, Faculty of Engineering, Osmaniye Korkut Ata University, Osmaniye, Turkey
| | - Şerife Parlayıcı
- Department of Chemical Engineering, Faculty of Engineering and Natural Sciences, Konya Technical University, Konya, Turkey
| | - Tony Hadibarata
- Environmental Engineering Program, Faculty of Engineering and Science, Curtin University Malaysia, Miri, Malaysia
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Şahin S, Emik S, Kurtulbaş E, Erdem M, Vasseghian Y. Adsorption of rutin from olive mill wastewater using copolymeric hydrogels based on N-vinylimidazole: Kinetic, equilibrium, and thermodynamics assessments. ENVIRONMENTAL RESEARCH 2022; 212:113306. [PMID: 35472459 DOI: 10.1016/j.envres.2022.113306] [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] [Revised: 04/01/2022] [Accepted: 04/10/2022] [Indexed: 06/14/2023]
Abstract
Olive mill wastewater, also known as olive wastewater, contains biologically active components with various beneficial effects on health. The development of novel adsorbent materials for the recovery of these biologically active substances is important area of research. In this study, copolymeric hydrogels based on N-vinylimidazole (VIm), a new material that has never been used as an adsorbent in the separation of phenolic components, were synthesized. The hydrogels synthesized in this study is copolymer structures based on N-vinylimidazole (VIm) containing [2- (methacryloxy) ethyl] dimethylpentylammonium bromide (QDMAC5) in different moles. QDMAC5 was obtained by quaternization of 2- (dimethylamino) ethyl methacrylate (DMA) with 1-bromopentane (C5). The production of copolymer hydrogels was carried out by free radical solution polymerization. The syntheses were carried out only by changing the monomer composition so that the crosslinker ratio remained constant (1.2 mol%). The QDMAC5 content in the copolymers was 5, 10, 20, 30, and 50 mol%. So, the resulting structures were named PVQ-5%, PVQ-10%, PVQ-20%, PVQ-30%, and PVQ-50%, respectively. Functional group characterizations of hydrogels were made by Fourier Transform Infrared Spectrometry (FTIR). The surface of the hydrogels was analyzed by Scanning Electron Microscopy (SEM). Finally, thermogravimetric analyzes (TGA) were performed to investigate the thermal degradation behavior. The recovery of the rutin present in olive mill wastewater has been investigated as a model study. Kinetic data has been represented by the selected models (pseudo-first order, pseudo-second order, and intraparticle diffusion) convincingly (R2 > 0.76), while the equilibrium findings have fitted well to Langmuir, Freundlich, and Temkin equations (R2 > 0.77). Rutin adsorption process on N-vinylimidazole (VIm) based copolymeric hydrogels has been found as exothermic and spontaneous chemisorption process depending on the thermodynamic analysis.
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Affiliation(s)
- Selin Şahin
- Istanbul University-Cerrahpaşa, Department of Chemical Engineering, 34320, Avcılar, Istanbul, Turkey.
| | - Serkan Emik
- Istanbul University-Cerrahpaşa, Department of Chemical Engineering, 34320, Avcılar, Istanbul, Turkey
| | - Ebru Kurtulbaş
- Istanbul University-Cerrahpaşa, Department of Chemical Engineering, 34320, Avcılar, Istanbul, Turkey
| | - Murat Erdem
- Eskisehir Technical University, Department of Chemistry, Yunus Emre Campus, 26480, Eskisehir, Turkey
| | - Yasser Vasseghian
- Department of Chemistry, Soongsil University, Seoul, 06978, South Korea; The University of Johannesburg, Department of Chemical Engineering, P.O. Box 17011, Doornfontein, 2088, South Africa; Department of Chemical Engineering, Quchan University of Technology, Quchan, Iran.
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An Ionic-Liquid-Imprinted Nanocomposite Adsorbent: Simulation, Kinetics and Thermodynamic Studies of Triclosan Endocrine Disturbing Water Contaminant Removal. Molecules 2022; 27:molecules27175358. [PMID: 36080126 PMCID: PMC9457669 DOI: 10.3390/molecules27175358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 08/09/2022] [Accepted: 08/10/2022] [Indexed: 11/29/2022] Open
Abstract
The presence of triclosan in water is toxic to human beings, hazardous to the environment and creates side effects and problems because this is an endocrine-disturbing water pollutant. Therefore, there is a great need for the separation of this notorious water pollutant at an effective, economic and eco-friendly level. The interface sorption was achieved on synthesized ionic liquid-based nanocomposites. An N-methyl butyl imidazolium bromide ionic liquid copper oxide nanocomposite was prepared using green methods and characterized by using proper spectroscopic methods. The nanocomposite was used to remove triclosan in water with the best conditions of time 30 min, concentration 100 µg/L, pH 8.0, dose 1.0 g/L and temperature 25 °C, with 90.2 µg/g removal capacity. The results obeyed Langmuir, Temkin and D-Rs isotherms with a first-order kinetic and liquid-film-diffusion kinetic model. The positive entropy value was 0.47 kJ/mol K, while the negative value of enthalpy was −0.11 kJ/mol. The negative values of free energy were −53.18, −74.17 and −76.14 kJ/mol at 20, 25 and 30 °C. These values confirmed exothermic and spontaneous sorption of triclosan. The combined effects of 3D parameters were also discussed. The supramolecular model was developed by simulation and chemical studies and suggested electrovalent bonding between triclosan and N-methyl butyl imidazolium bromide ionic liquid. Finally, this method is assumed as valuable for the elimination of triclosan in water.
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Vidovix TB, Januário EFD, Araújo MF, Bergamasco R, Vieira AMS. Investigation of two new low-cost adsorbents functionalized with magnetic nanoparticles for the efficient removal of triclosan and a synthetic mixture. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:46813-46829. [PMID: 35171415 DOI: 10.1007/s11356-022-19187-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Accepted: 02/08/2022] [Indexed: 06/14/2023]
Abstract
Triclosan (TCS) is widely used in the production of antibacterial products, being often found in wastewater. Therefore, this study developed new materials via soybean hulls (SBHF) and açaí seeds (AÇSF) functionalization with iron oxide nanoparticles to be applied in the TCS adsorption. The characterization confirmed the functionalization of the materials. The adsorption results indicated that the equilibrium of the process occurred after 480 and 960 min for SBHF and AÇSF, respectively. The maximum adsorptive capacity values were 158.35 and 155.09 mg g-1 for SBHF and AÇSF, respectively, at 318 K. The kinetic and isothermal data better fitted to the pseudo-second-order and Langmuir models. Thermodynamics indicated that the processes had an endothermic, spontaneous, and reversible character. The main adsorption mechanisms were H-bond and π-interactions. The pH and ionic strength studies indicated that the adsorption efficiency has not been reduced pronouncedly. The biosorbents reuse was effective for five cycles. In the synthetic mixture, the removal rate was satisfactory (92.53% and 57.02%, respectively for SBHF and AÇSF). These results demonstrate the biosorbents high potential for large-scale application.
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Affiliation(s)
- Taynara Basso Vidovix
- Department of Chemical Engineering, State University of Maringá, MaringáParaná, 87020-900, Brazil
| | | | - Micael Furioso Araújo
- Department of Chemical Engineering, State University of Maringá, MaringáParaná, 87020-900, Brazil
| | - Rosângela Bergamasco
- Department of Chemical Engineering, State University of Maringá, MaringáParaná, 87020-900, Brazil
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Balakrishnan P, Mohan S. Treatment of triclosan through enhanced microbial biodegradation. JOURNAL OF HAZARDOUS MATERIALS 2021; 420:126430. [PMID: 34252677 DOI: 10.1016/j.jhazmat.2021.126430] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 06/15/2021] [Accepted: 06/16/2021] [Indexed: 06/13/2023]
Abstract
Triclosan (TCS) is extensively used in healthcare and personal care products as an antibacterial agent. Due to the persistent and toxic nature of TCS, it is not completely degraded in the biological wastewater treatment process. In this research work, identification of TCS degrading bacteria from municipal wastewater sludge and applying the same as bioaugmentation treatment for wastewater have been reported. Based on the 16S rRNA analysis of wastewater sludge, it was found that Providencia rettgeri MB-IIT strain was active and able to grow in higher TCS concentration. The identified bacterial strain was able to use TCS as carbon and energy source for its growth. The biodegradation experiment was optimized for the operational parameters viz. pH (5-10), inoculum size (1-5% (v/v)) and different initial concentration (2, 5, and 10 mg/L) of TCS. During the TCS degradation process, manganese peroxidase (MnP) and laccase (LAC) enzyme activity and specific growth rate of P. rettgeri strain were maximum at pH=7% and 2% (v/v) inoculum size, resulting in 98% of TCS removal efficiency. A total of six intermediate products were identified from the Liquid chromatography-high-resolution mass spectrometry (LC-HRMS) analysis, and the two mechanisms responsible for the degradation of TCS have been elucidated. The study highlights that P. rettgeri MB-IIT strain could be advantageously used to degrade triclosan present in the wastewater.
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Affiliation(s)
- P Balakrishnan
- Environmental and Water Resources Engineering Division, Department of Civil Engineering, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India.
| | - S Mohan
- Environmental and Water Resources Engineering Division, Department of Civil Engineering, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India.
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Ha LTV, Dai LM, Lim DT, Nhiem DN, Pham NN. Pure and cerium‐doped zinc oxides: Hydrothermal synthesis and photocatalytic degradation of methylene blue under visible light irradiation. J CHIN CHEM SOC-TAIP 2020. [DOI: 10.1002/jccs.202000050] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Luu Thi Viet Ha
- Faculty of Chemical Engineering Industrial University of Ho Chi Minh City Ho Chi Minh City Vietnam
| | - Luu Minh Dai
- Institute of Materials Science Vietnam Academy of Science and Technology Hanoi Vietnam
| | - Duong Thi Lim
- Institute of Geography Vietnam Academy of Science and Technology Hanoi Vietnam
| | - Dao Ngoc Nhiem
- Institute of Materials Science Vietnam Academy of Science and Technology Hanoi Vietnam
| | - Ngo Nghia Pham
- Faculty of Applied Sciences Ton Duc Thang University Ho Chi Minh City Vietnam
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14
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Chen W, Zhang H, Wang C, Yang L, Ni J, Wei R. Differential roles of ash in sorption of triclosan to wood-derived biochars produced at different temperatures. JOURNAL OF ENVIRONMENTAL QUALITY 2020; 49:335-345. [PMID: 33016435 DOI: 10.1002/jeq2.20001] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 10/23/2019] [Indexed: 05/22/2023]
Abstract
Biochar is composed of carbonaceous and inorganic (ash) fractions. The structural properties of carbonaceous fractions and the composition of ash in biochar are both variable with pyrolysis temperature. However, it is unknown whether ash may play different roles in sorption of organic compounds to the carbonaceous fraction of biochars produced at different temperatures. Hence, in this study, the pristine biochars produced at 300-900°C and their corresponding deashed biochars were investigated, and the combined roles of carbonaceous fraction and ash in sorption of triclosan were compared. The results showed that the biochars produced at 300-400°C had high content of uncarbonized organic structure with dominating partition effect. The combination of uncarbonized organic structure and ash had comparable or even higher sorption coefficient (KD ) for triclosan at low concentration compared with a single uncarbonized organic structure. However, for the biochars produced at 600-900°C, which were mainly composed of carbonized or graphitized carbon structure, ash had significant effect on triclosan sorption by reducing surface adsorption and pore filling effect. The combination of carbonaceous fraction and ash decreased KD values for triclosan at any tested concentrations. In addition, the results of pH effect on sorption indicated that ash possibly decreased the electrostatic repulsion of deprotonated phenolic hydroxyl between biochars and triclosan. Accordingly, it will be more valuable to design biochars for pollutant sorption from the perspective of combined role of carbonaceous fraction and ash rather than a single role of carbonaceous fraction.
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Affiliation(s)
- Weifeng Chen
- College of Geographical Science, Ministry of Education Key Laboratory of Humid Subtropical Eco-geographical Process, Fujian Provincial Key Laboratory for Plant Eco-Physiology, Fujian Normal University, Fuzhou, Fujian, 350007, China
| | - Huiying Zhang
- College of Geographical Science, Ministry of Education Key Laboratory of Humid Subtropical Eco-geographical Process, Fujian Provincial Key Laboratory for Plant Eco-Physiology, Fujian Normal University, Fuzhou, Fujian, 350007, China
| | - Caiting Wang
- College of Geographical Science, Ministry of Education Key Laboratory of Humid Subtropical Eco-geographical Process, Fujian Provincial Key Laboratory for Plant Eco-Physiology, Fujian Normal University, Fuzhou, Fujian, 350007, China
| | - Liuming Yang
- College of Geographical Science, Ministry of Education Key Laboratory of Humid Subtropical Eco-geographical Process, Fujian Provincial Key Laboratory for Plant Eco-Physiology, Fujian Normal University, Fuzhou, Fujian, 350007, China
| | - Jinzhi Ni
- College of Geographical Science, Ministry of Education Key Laboratory of Humid Subtropical Eco-geographical Process, Fujian Provincial Key Laboratory for Plant Eco-Physiology, Fujian Normal University, Fuzhou, Fujian, 350007, China
| | - Ran Wei
- College of Geographical Science, Ministry of Education Key Laboratory of Humid Subtropical Eco-geographical Process, Fujian Provincial Key Laboratory for Plant Eco-Physiology, Fujian Normal University, Fuzhou, Fujian, 350007, China
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Lin Y, Jin X, Owens G, Chen Z. Simultaneous removal of mixed contaminants triclosan and copper by green synthesized bimetallic iron/nickel nanoparticles. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 695:133878. [PMID: 31756849 DOI: 10.1016/j.scitotenv.2019.133878] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 08/07/2019] [Accepted: 08/10/2019] [Indexed: 06/10/2023]
Abstract
The mixed contamination of environmental matrices by antibacterial agents and heavy metals has attracted much attention worldwide due to the complex nature of their environmental interactions and their potential toxicity. In this work, green synthesized bimetallic iron/nickel nanoparticles (Fe/Ni NPs) was used to simultaneously remove triclosan (TCS) and copper (Cu (II)) under optimal experimental conditions with removal efficiencies of 75.8 and 44.1% respectively. However, in a mixed contaminant system the removal efficiencies of TCS and Cu (II) were lower than when TCS (85.8%) and Cu (II) (52.5%) were removed separately, suggesting that there was competitive relationship between the two contaminants and Fe/Ni NPs used for remediation. SEM-EDS, XRD and FTIR all indicated that both TCS and Cu (II) were adsorbed onto Fe/Ni NPs. Furthermore, while XPS showed that Cu (II) was reduced to Cu0, GC-MS analysis showed that TCS also underwent degradation with 2,7/2,8-Cl2DD as the major intermediate. The adsorption of both contaminants fit well a pseudo second order kinetic model (R2>0.998) and the Freundlich isotherm (R2>0.905). Whereas the reduction kinetics obeyed a pseudo first order model. Thus, overall the removal of TCS and Cu (II) involved a combination of both adsorption and reduction. Finally, a removal mechanism for triclosan and Cu (II) was proposed. Overall, Fe/Ni NPs have the potential to practically coinstantaneously remove both TCS and Cu (II) from aqueous solution under a wide range of conditions.
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Affiliation(s)
- Yuanqiong Lin
- Fujian Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Fujian Normal University, Fuzhou 350007, Fujian Province, China
| | - Xiaoying Jin
- Fujian Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Fujian Normal University, Fuzhou 350007, Fujian Province, China
| | - Gary Owens
- Environmental Contaminants Group, Future Industries Institute, University of South Australian, Mawson Lakes, SA 5095, Australia
| | - Zuliang Chen
- Fujian Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Fujian Normal University, Fuzhou 350007, Fujian Province, China.
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Delhiraja K, Vellingiri K, Boukhvalov DW, Philip L. Development of Highly Water Stable Graphene Oxide-Based Composites for the Removal of Pharmaceuticals and Personal Care Products. Ind Eng Chem Res 2019. [DOI: 10.1021/acs.iecr.8b02668] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Krithika Delhiraja
- Environmental and Water Resources Engineering Division, Department of Civil Engineering, IIT Madras, Chennai, 600 036, India
| | - Kowsalya Vellingiri
- Environmental and Water Resources Engineering Division, Department of Civil Engineering, IIT Madras, Chennai, 600 036, India
| | - Danil W. Boukhvalov
- College of Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University, Nanjing 210037, P. R. China
- Theoretical Physics and Applied Mathematics Department, Ural Federal University, Mira Street 19, 620002 Yekaterinburg, Russia
| | - Ligy Philip
- Environmental and Water Resources Engineering Division, Department of Civil Engineering, IIT Madras, Chennai, 600 036, India
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