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Zhang W, Zhang Y, Zhao M, Wang S, Fan X, Zhou N, Fan S. Preparation of mesoporous biogas residue biochar via a self-template strategy for efficient removal of ciprofloxacin: Effect of pyrolysis temperature. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 360:121140. [PMID: 38754190 DOI: 10.1016/j.jenvman.2024.121140] [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: 11/30/2023] [Revised: 04/05/2024] [Accepted: 05/09/2024] [Indexed: 05/18/2024]
Abstract
Biochar preparation and application is an anticipated pathway for the resource utilization of biogas residue. In this study, biochars were prepared by the pyrolysis of biogas residue from food waste anaerobic digestion (named as BRBCs) under various pyrolysis temperatures (300, 500, 700, and 900 °C), and the effect of pyrolysis temperatures on the physicochemical characteristics of BRBCs was examined. The adsorption performance toward ciprofloxacin (CIP), a typical antibiotic in waterbodies, was also investigated. The results showed that pyrolysis temperature significantly changed the physicochemical properties of BRBCs. In addition, the minerals in the biogas residue, especially SiO2, were rearranged to form a mesoporous structure in biochar through a self-template strategy (without activator). BRBC prepared at 900 °C exhibited a high specific surface area and pore volume, well-developed mesopore structure, and more carbon structure defects, and exhibited the largest CIP adsorption capacity with 70.29 mg g-1, which was ascribed to the combined interaction of pore diffusion, π-π interactions, hydrogen bonding, complexation, and electrostatic forces. Furthermore, the adsorption of CIP by BRBC900 was well described by two-compartment kinetic and Langmuir isotherm models. BRBC900 showed good adsorption performance toward CIP at pH 7-9. The adsorption of CIP by BRBC is a spontaneous, exothermic, entropy-increasing process. Moreover, BRBC also presented a good recycling potential. Therefore, the preparation of mesoporous biochar based on a self-template strategy not only provides an option for the resource utilization of biogas residue but also offers a new option for the treatment of antibiotic wastewater.
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Affiliation(s)
- Weiyu Zhang
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Yushan Zhang
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Manquan Zhao
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Shuo Wang
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Xinru Fan
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Na Zhou
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Shisuo Fan
- School of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China.
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Chen G, Ma J, Yang G, Chen C, Long L, Li L, Gong L, Xu M, Wu J, Song C, Lyu J. Biochar-derived dissolved organic matter enhanced the release of residual ciprofloxacin from the soil solid phase. CHEMOSPHERE 2024; 358:142193. [PMID: 38697562 DOI: 10.1016/j.chemosphere.2024.142193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 04/10/2024] [Accepted: 04/27/2024] [Indexed: 05/05/2024]
Abstract
Biochar has been utilized to reduce ciprofloxacin (CIP) residues in soil. However, little is known about the effect of biochar-derived dissolved organic matter (DOM) on residual CIP transformation. Thus, we analyzed the residual soil CIP as influenced by biochar generated from rice straw (RS3 and RS6), pig manure (PM3 and PM6), and cockroach shell (CS3 and CS6) at 300 °C and 600 °C. The three-dimensional excitation-emission matrix (3D-EEM), parallel factor analysis (PARAFAC) and two-dimensional correlation spectral analysis (2D-COS) were used to describe the potential variation in the DOM-CIP interaction. Compared with CK, biochar amendment increased the water-soluble CIP content by 160.7% (RS3), 55.2% (RS6), 534.1% (PM3), 277.5% (PM6), 1160.6% (CS3) and 703.9% (CS6), indicating that the biochar feedstock controlled the soil CIP release. The content of water-soluble CIP was positively correlated with the content of dissolved organic carbon (r = 0.922, p < 0.01) and dissolved organic nitrogen (r = 0.898, p < 0.01), suggesting that the major influence of the water-soluble CIP increase was DOM. The fluorescence quenching experiment showed that the interaction between DOM and CIP triggered static quenching and the creation of a DOM complex. The mean log K of protein-like material (4.977) was higher than that of terrestrial humus-like material (3.491), suggesting that the protein-like material complexed CIP was more stable than the humus-like material. Compared with pyrolysis at 300 °C, pyrolysis at 600 °C decreased the stability of the complex of protein-like material and CIP by 0.44 (RS), 1.689 (PM) and 0.548 (CS). This result suggested that the influence of temperature change was more profound on PM biochar-derived DOM than on RS and CS. These insights are essential for understanding CIP transportation in soil and controlling CIP contamination with biochar.
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Affiliation(s)
- Guo Chen
- College of Environmental Science, Sichuan Agricultural University, Chengdu, 611130, China
| | - Jing Ma
- College of Water Conservancy and Hydropower Engineering, Sichuan Agricultural University, Ya'an, 625014, China
| | - Gang Yang
- College of Environmental Science, Sichuan Agricultural University, Chengdu, 611130, China
| | - Chao Chen
- College of Environmental Science, Sichuan Agricultural University, Chengdu, 611130, China
| | - Lulu Long
- College of Environmental Science, Sichuan Agricultural University, Chengdu, 611130, China
| | - Linling Li
- Sichuan Keyuan Engineering Technology Testing Center, Chengdu, 610073, China
| | - Li Gong
- Sichuan Keyuan Engineering Technology Testing Center, Chengdu, 610073, China
| | - Min Xu
- College of Environmental Science, Sichuan Agricultural University, Chengdu, 611130, China.
| | - Jun Wu
- College of Environmental Science, Sichuan Agricultural University, Chengdu, 611130, China.
| | - Chun Song
- College of Environmental Science, Sichuan Agricultural University, Chengdu, 611130, China
| | - Jiejie Lyu
- College of History Culture and Tourism, Fuyang Normal University, 236041, China
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Ersan G, Gaber MS, Perreault F, Garcia-Segura S. Comparative study on electro-regeneration of antibiotic-laden activated carbons in reverse osmosis concentrate. WATER RESEARCH 2024; 255:121528. [PMID: 38555781 DOI: 10.1016/j.watres.2024.121528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 03/20/2024] [Accepted: 03/25/2024] [Indexed: 04/02/2024]
Abstract
Electro-regeneration is emerging as a new technique to regenerate spent carbon adsorbents through an electrochemical process. In this study, sequential adsorption and electro-regeneration of ciprofloxacin (CIP)-laden carbon were investigated using both pristine and iron (Fe)-doped F400 activated carbon in distilled, deionized (DI) water and reverse osmosis (RO) concentrate water. The impact of reactor flow rate and sequential adsorption/electro-regeneration cycles on the regeneration efficiency were also evaluated. The results indicate that the breakthrough points for both adsorbents in DI water, where 100 % of the CIP molecules were adsorbed, occurred at around 7,800 bed volumes (BVs). Conversely, electro-regeneration for both adsorbents, where 94 % of the CIP molecules were desorbed, took place at 380 BVs. The main distinction between the two activated carbons lies in the initial range of BVs (<400 BVs).Fe doping on F400 appears to enhance its surface selectivity for CIP uptake, which can easily diffuse into the meso/macropore regions of Fe-doped F400. In contrast, pristine F400, being highly microporous, necessitated more contact time to fill its high-energy sites, resulting in a higher affinity for CIP adsorption. Over the four sequential adsorption/electro-regeneration cycles in DI water, a similar regeneration efficiency was observed at 190 BVs. As the flow rate increased from 2 to 6 mL/min, the CIP uptake on pristine F400 decreased in DI water, calculating 138, 74 and 57 mg/g for flow rates of 2, 4, and 6 mL/min, respectively. When the RO concentrate water was compared with DI water, the pristine F400 quickly reached saturation due to pore blockage caused by organic matter in RO concentrate. During electro-regeneration, up to 100 % of adsorbed CIP molecules were desorbed at around 120 BVs in RO concentrate, which is 3X faster than DI water. The effectiveness of this technology can be enhanced by implementing continuous flow systems, thereby improving the overall efficiency of CIP removal in RO concentrate.
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Affiliation(s)
- Gamze Ersan
- School of Sustainable Engineering and The Built Environment, Arizona State University, Tempe, AZ 85287-5306, USA.
| | - Mohamed S Gaber
- School of Sustainable Engineering and The Built Environment, Arizona State University, Tempe, AZ 85287-5306, USA; Chemistry Department, Faculty of Science, Helwan University, Ain Helwan, Helwan 11795, Cairo, Egypt
| | - 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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Nguyen MK, Lin C, Bui XT, Rakib MRJ, Nguyen HL, Truong QM, Hoang HG, Tran HT, Malafaia G, Idris AM. Occurrence and fate of pharmaceutical pollutants in wastewater: Insights on ecotoxicity, health risk, and state-of-the-art removal. CHEMOSPHERE 2024; 354:141678. [PMID: 38485003 DOI: 10.1016/j.chemosphere.2024.141678] [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: 05/30/2023] [Revised: 01/18/2024] [Accepted: 03/08/2024] [Indexed: 03/21/2024]
Abstract
Pharmaceutical active compound (PhAC) residues are considered an emerging micropollutant that enters the aquatic environment and causes harmful ecotoxicity. The significant sources of PhACs in the environment include the pharmaceutical industry, hospital streams, and agricultural wastes (animal husbandry). Recent investigations demonstrated that wastewater treatment plants (WWTPs) are an important source of PhACs discharging ecosystems. Several commonly reported that PhACs are detected in a range level from ng L-1 to μg L-1 concentration in WWTP effluents. These compounds can have acute and chronic adverse impacts on natural wildlife, including flora and fauna. The approaches for PhAC removals in WWTPs include bioremediation, adsorption (e.g., biochar, chitosan, and graphene), and advanced oxidation processes (AOPs). Overall, adsorption and AOPs can effectively remove PhACs from wastewater aided by oxidizing radicals. Heterogeneous photocatalysis has also proved to be a sustainable solution. Bioremediation approaches such as membrane bioreactors (MBRs), constructed wetlands (CWs), and microalgal-based systems were applied to minimize pharmaceutical pollution. Noteworthy, applying MBRs has illustrated high removal efficiencies of up to 99%, promising prospective future. However, WWTPs should be combined with advanced solutions, e.g., AOPs/photodegradation, microalgae-bacteria consortia, etc., to treat and minimize their accumulation. More effective and novel technologies (e.g., new generation bioremediation) for PhAC degradation must be investigated and specially designed for a low-cost and full-scale. Investigating green and eco-friendly PhACs with advantages, e.g., low persistence, no bioaccumulation, less or non-toxicity, and environmentally friendly, is also necessary.
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Affiliation(s)
- Minh-Ky Nguyen
- Faculty of Environment and Natural Resources, Nong Lam University, Hamlet 6, Linh Trung Ward, Thu Duc City, Ho Chi Minh City 700000, Viet Nam; Ph.D. Program in Maritime Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan.
| | - Chitsan Lin
- Ph.D. Program in Maritime Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan; Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung 81157, Taiwan.
| | - Xuan-Thanh Bui
- Key Laboratory of Advanced Waste Treatment Technology, Ho Chi Minh City University of Technology (HCMUT), Vietnam National University Ho Chi Minh (VNU-HCM), Linh Trung Ward, Thu Duc City, Ho Chi Minh City 700000, Viet Nam; Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT), Ho Chi Minh City 700000, Viet Nam
| | - Md Refat Jahan Rakib
- Department of Environmental Science and Management, North South University, Bashundhara, Dhaka, 1229, Bangladesh
| | - Hoang-Lam Nguyen
- Department of Civil Engineering, McGill University, Montreal, Canada
| | - Quoc-Minh Truong
- Faculty of Management Science, Thu Dau Mot University, Binh Duong 75000, Viet Nam
| | - Hong-Giang Hoang
- Faculty of Medicine, Dong Nai Technology University, Bien Hoa, Dong Nai 76100, Viet Nam
| | - Huu-Tuan Tran
- Laboratory of Ecology and Environmental Management, Science and Technology Advanced Institute, Van Lang University, Ho Chi Minh City 700000, Viet Nam; Faculty of Applied Technology, School of Engineering and Technology, Van Lang University, Ho Chi Minh City 700000, Viet Nam
| | - Guilherme Malafaia
- Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil; Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil.
| | - Abubakr M Idris
- Department of Chemistry, College of Science, King Khalid University, 62529 Abha, Saudi Arabia; Research Center for Advanced Materials Science (RCAMS), King Khalid University, Abha 62529, Saudi Arabia
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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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6
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Elsabagh SS, Elkhatib EA, Rashad M. Novel nano-fertilizers derived from drinking water industry waste for sustained release of macronutrients: performance, kinetics and sorption mechanisms. Sci Rep 2024; 14:5691. [PMID: 38454001 PMCID: PMC10920638 DOI: 10.1038/s41598-024-56274-0] [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: 09/08/2023] [Accepted: 03/04/2024] [Indexed: 03/09/2024] Open
Abstract
Nanotechnology has emerged as a promising approach for the controlled release of nutrients, particularly phosphorus and potassium. These essential plant nutrients are often applied in excess, leading to environmental pollution and loss of efficiency in crop production. Innovative economic and highly efficient fertilizers are urgently needed to achieve the targeted crop production worldwide in the presence of limited land and water resources. Therefore, in this study, novel, eco-friendly, cost-effective and enhanced efficiency nano-enabled fertilizers, NEF (nWTF1and nWTF2) were synthesized by impregnation of nanostructured water treatment residuals (nWTR) with (KH2PO4 + MgO) at 1:1 and 3:1 (w/w) ratios respectively using a planetary ball mill. The nWTR, nWTF1 and nWTF2 were extensively characterized. The water retention behavior and the sustained release of nutrients from the fabricated nano-enabled fertilizers (nWTF1 and nWTF2) in distilled water and sandy soil were investigated and monitored over time. The water retention capacity of the soil treated with nWTF2 after 26 days was 9.3 times higher than that of soil treated with conventional fertilizer. In addition, the nWTF2 exhibited lower release rates of P, K and Mg nutrients for longer release periods in comparison with the conventional fertilizers. This is a significant advantage over traditional fertilizers, which release nutrients quickly and can lead to leaching and nutrient loss. The main interaction mechanisms of PO4-K-Mg ions with nWTR surface were suggested. The results of the kinetics study revealed that power function was the best suitable model to describe the kinetics of P, K and Mg release data from NEF in water and soil. The produced NEF were applied to Zea maize plants and compared to commercial chemical fertilizer control plants. The obtained results revealed that the nano-enabled fertilizers (nWTF1 and nWTF2) significantly promoted growth, and P content compared with the commercial chemical fertilizer treated plants. The present work demonstrated the power of nano enabled fertilizers as efficient and sustained release nano-fertilizers for sustainable agriculture and pollution free environment.
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Affiliation(s)
- Samira S Elsabagh
- Arid Lands Cultivation Research Institute, City of Scientific Research and Technological Applications, New Borg El-Arab, Alexandria, 21934, Egypt
| | - Elsayed A Elkhatib
- Department of Soil and Water Sciences, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria, 21545, Egypt.
| | - Mohamed Rashad
- Arid Lands Cultivation Research Institute, City of Scientific Research and Technological Applications, New Borg El-Arab, Alexandria, 21934, Egypt
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Sousa ÉML, Otero M, Gil MV, Ferreira P, Esteves VI, Calisto V. Evaluation of different functionalization methodologies for improving the removal of three target antibiotics from wastewater by a brewery waste activated carbon. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:169437. [PMID: 38128671 DOI: 10.1016/j.scitotenv.2023.169437] [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: 11/27/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023]
Abstract
This work aims to increase the efficiency of an activated carbon produced from brewery waste (AC) in the removal of three target antibiotics (sulfamethoxazole (SMX), trimethoprim (TMP), and ciprofloxacin (CIP)) by surface incorporation of oxygen, nitrogen or sulfur groups. AC was produced using spent brewery grains (the most abundant waste from the brewing industry) as raw material, K2CO3 as activating agent and microwave energy for pyrolysis. Then, seven different functionalized AC were prepared, characterized for their physicochemical properties, and tested for adsorption (%) of SMX, TMP and CIP from three different matrices (ultrapure water (pH ~5-6), buffered ultrapure water (pH 8), and effluent from a municipal wastewater treatment plant (WWTP effluent (pH 8)), under batch operation. Based on the obtained results, an oxygen functionalized AC was selected for further characterization and studies on the adsorption of the target antibiotics from the WWTP effluent. Kinetic results fitted the pseudo-second order model and the equilibrium isotherms were adequately described by the Langmuir model, reaching maximum adsorption capacities (qm) of 124 ± 1 μmol g-1, 315 ± 2 μmol g-1 and 201 ± 5 μmol g-1 for SMX, TMP and CIP, respectively. The selected functionalization increased qm by up to 58 % in comparison with the non-functionalized AC. The oxygen modified AC produced from a biomass waste remarkably improved its performance for an efficient application in the removal of antibiotics from wastewater.
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Affiliation(s)
- Érika M L Sousa
- Department of Chemistry and CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Marta Otero
- Departamento de Química y Física Aplicadas, Universidad de León, Campus de Vegazana, 24071 León, Spain
| | - María V Gil
- Instituto de Ciencia y Tecnología del Carbono, INCAR-CSIC, Francisco Pintado Fe 26, 33011 Oviedo, Spain
| | - Paula Ferreira
- Department of Materials and Ceramic Engineering and CICECO, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Valdemar I Esteves
- Department of Chemistry and CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Vânia Calisto
- Department of Chemistry and CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
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Elsabagh SS, Elkhatib EA, Rashad M. Eco-friendly nano-enabled fertilizers derived from date industry waste for sustainable and controlled-release of P, K and Mg nutrients: sorption mechanisms, controlled-release performance and kinetics. BIORESOUR BIOPROCESS 2024; 11:3. [PMID: 38647852 PMCID: PMC10991569 DOI: 10.1186/s40643-023-00716-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 12/11/2023] [Indexed: 04/25/2024] Open
Abstract
Development of nano-enabled fertilizers from green waste is one of the effective options to enhance global agricultural productions and minimize environmental pollution. In this study, novel, eco-friendly and cost-effective nano- enabled fertilizers (NEF) were synthesized using the planetary ball milling procedure. The NEF (nDPF1and nDPF2) were prepared by impregnation of nanostructured date palm pits (nDPP) with (KH2PO4 + MgO) at 1:1 and 3:1 (w/w) ratios respectively. The nDPP, nDPF1 and nDPF2 were extensively characterized. The produced nano-fertilizers enhanced soil water retention capacity with nDPF2 being the most effective. The water retention capacity of nDPF2 treated soil was 5.6 times higher than that of soil treated with conventional fertilizers. In addition, the nDPF2 exhibited superior sustained lower release rates of P, K and Mg nutrients for longer release periods in comparison with the conventional fertilizers. For instance, P cumulative release percentages from conventional fertilizers, nDPF1 and nDPF2 in soil reached 22.41%, 10.82 and 8.9% respectively within 384 h. Findings from FTIR and XPS analyses suggested that hydrogen bonding and ligand exchange were the main interaction mechanisms of PO4-K-Mg ions with nDPP surface. The released kinetics data of the NEF revealed that power function was the best suitable model to describe the kinetics of P, K and Mg release data from NEF in water and soil. Pot study ascertained that the nano-enabled fertilizers (nDPF1 and nDPF2) significantly promoted biomass production and nutrient uptake of maize plants as compared to commercial fertilizer treated plants. The present work demonstrated the potential of NEF to increase nutrients uptake efficiency, mitigate moisture retention problem in arid soils and reduce nutrients loss through leaching and safeguard the environment.
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Affiliation(s)
- Samira S Elsabagh
- Arid Lands Cultivation Research Institute, City of Scientific Research and Technological Applications, New Borg El-Arab, Alexandria, 21934, Egypt
| | - Elsayed A Elkhatib
- Department of Soil and Water Sciences, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria, 21545, Egypt.
| | - Mohamed Rashad
- Arid Lands Cultivation Research Institute, City of Scientific Research and Technological Applications, New Borg El-Arab, Alexandria, 21934, Egypt
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Wang S, Chen Y, Ge S, Liu Z, Meng J. Adsorption characterization of tetracycline antibiotics on alkali-functionalized rice husk biochar and its evaluation on phytotoxicity to seed germination. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:122420-122436. [PMID: 37973778 DOI: 10.1007/s11356-023-30900-2] [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: 07/27/2023] [Accepted: 11/01/2023] [Indexed: 11/19/2023]
Abstract
This work presented adsorption characteristics of tetracycline antibiotics (TCs) on KOH-functionalized rice husk biochar pyrolyzed at 700 °C (KBC700) and evaluation on phytotoxicity of TCs-adsorbed aqueous phase to seed germination. Specifically, KBC700 gained eightfold rise in specific surface area by KOH activation. Predominant monolayer chemisorption helped KBC700 control TCs, and spontaneous and exothermic features were identified by thermodynamic studies. KBC700 could efficiently work in a wide pH range (4.5 ~ 9.5), as well as in simulated eutrophic water and co-existing cationic solution. Humic acid exerted negative impact on TCs disposal. Outstanding regeneration capability and stability were also found during adsorption-desorption cycles. Mechanism discussion implied predominant pore filling and π-π interaction accompanied by hydrogen bonding and electrostatic interaction involved in TCs-removal process. Importantly, less phytotoxicity to seed germination was found in TCs-adsorbed aqueous phase. Collectively, these findings contribute to adsorption properties recognition and subsequent application for KOH-modified rice rusk biochar in environmental TCs remediation.
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Affiliation(s)
- Siyu Wang
- National Biochar Institute of Shenyang Agricultural University, Key Laboratory of Biochar and Soil Improvement, Ministry of Agriculture and Rural Affairs, 120 # Dongling Road, Shenyang, 110866, China
| | - Yixuan Chen
- National Biochar Institute of Shenyang Agricultural University, Key Laboratory of Biochar and Soil Improvement, Ministry of Agriculture and Rural Affairs, 120 # Dongling Road, Shenyang, 110866, China
| | - Shaohua Ge
- National Biochar Institute of Shenyang Agricultural University, Key Laboratory of Biochar and Soil Improvement, Ministry of Agriculture and Rural Affairs, 120 # Dongling Road, Shenyang, 110866, China
| | - Zunqi Liu
- National Biochar Institute of Shenyang Agricultural University, Key Laboratory of Biochar and Soil Improvement, Ministry of Agriculture and Rural Affairs, 120 # Dongling Road, Shenyang, 110866, China
| | - Jun Meng
- National Biochar Institute of Shenyang Agricultural University, Key Laboratory of Biochar and Soil Improvement, Ministry of Agriculture and Rural Affairs, 120 # Dongling Road, Shenyang, 110866, China.
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10
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Solanki S, Bisaria K, Iqbal HMN, Saxena R, Baxi S, Kothari AC, Singh R. Sugeno fuzzy inference system modeling and DFT calculations for the treatment of pesticide-laden water by newly developed arginine functionalized magnetic Mn-based metal organic framework. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:123126-123147. [PMID: 37979110 DOI: 10.1007/s11356-023-30944-4] [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: 07/27/2023] [Accepted: 11/03/2023] [Indexed: 11/19/2023]
Abstract
The uncontrolled utilization of pesticides poses a significant risk to the environment and human health, making its management essential. In this regard, a new arginine functionalized magnetic Mn-based metal-organic framework (Arg@m-Mn-MOF) was fabricated and assessed for the removal of cypermethrin (CYP) and chlorpyrifos (CHL) from aqueous system. The Arg@m-Mn-MOF was characterized by scanning electron microscopy, energy dispersive X-ray, Fourier transform infrared spectroscopy, X-ray diffraction, and Brunauer-Emmett-Teller analysis. Various parameters were optimized in a series of batch experiments and the following conditions were found optimal: pH: 4 and 5, contact time: 20 min, adsorbent dosage: 0.6 and 0.8 g L-1 with initial concentration: 10 mg L-1 and temperature: 298 K for CYP and CHL, respectively. The composite attained a maximum removal capacity of 44.84 and 71.42 mg g-1 for CYP and CHL, respectively. The elucidated data was strongly fitted to the pseudo-second-order model of kinetics (R2 > 0.98) and Langmuir isotherm (R2 > 0.98). Based upon 350 experimental datasets obtained from batch studies and interpolated data, the adsorption capacity of the adsorbent was elucidated with R2 > 0.97 (CHL) and > 0.91 (CYP). The adsorption energy (- 11.67 kcal mol-1) calculated by Gaussian software suggests a good interaction between arginine and CHL through H-bonding. The present study's findings suggested the prepared Arg@m-Mn-MOF as a promising adsorbent for the efficient removal of pesticides from agriculture runoff.
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Affiliation(s)
- Swati Solanki
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Sector 125, Noida, Uttar Pradesh, 201313, India
| | - Kavya Bisaria
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Sector 125, Noida, Uttar Pradesh, 201313, India
| | - Hafiz M N Iqbal
- School of Engineering and Sciences, Tecnologico de Monterrey, 64849, Monterrey, Mexico
| | - Reena Saxena
- Department of Chemistry, Kirori Mal College, University of Delhi, Delhi, India
| | - Shalini Baxi
- Department of Chemistry, Kirori Mal College, University of Delhi, Delhi, India
| | - Anil Chandra Kothari
- Light Stock Processing Division, CSIR-Indian Institute of Petroleum, Dehradun, 248005, Uttarakhand, India
| | - Rachana Singh
- Amity Institute of Biotechnology, Amity University Uttar Pradesh, Sector 125, Noida, Uttar Pradesh, 201313, India.
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11
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Huynh NC, Nguyen TTT, Nguyen DTC, Tran TV. Production of MgFe 2O 4/activated carbons derived from a harmful grass Cynodon dactylon and their utilization for ciprofloxacin removal. CHEMOSPHERE 2023; 343:139891. [PMID: 37604337 DOI: 10.1016/j.chemosphere.2023.139891] [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: 06/06/2023] [Revised: 07/29/2023] [Accepted: 08/18/2023] [Indexed: 08/23/2023]
Abstract
Cynodon dactylon, an invasive species, exhibits its robust adaptability, reproduction and nutrient regime against the local species. Taking advantage of this harmful grass as a raw precursor to produce valuable materials for wastewater treatment has paid much attention. Herein, we report on the fabrication of Cynodom dactylon derived MgFe2O4@AC with a main goal of effective removal of ciprofloxacin antibiotic from water. Our findings showed that MgFe2O4@ACK1 composites attained mesoporous textures, high specific surface areas (884.3-991.6 m2 g-1), and MgFe2O4-20%@ACK1 was the most effective with a very high removal efficiency of 96.7%. The Elovich model was suitable for describing the kinetic of adsorption with (Radj)2 of 0.9988. Meanwhile, the isotherm data obeyed the Langmuir model corresponding to (Radj)2 of 0.9993. Qmax value of MgFe2O4-20%@ACK1 was determined at 211.67 mg g-1. The proposed adsorption mechanism primarily comprises five routes as follows, (i) pore-filling, (ii) π-π interaction, (iii) electrostatic interaction, (iv) hydrogen bonding, and (v) hydrophobic interaction. MgFe2O4-20%@ACK1 adsorbent could reuse with three cycles. We recommend that MgFe2O4/ACs derived from Cynodom dactylon could be high-efficiency adsorbents for the elimination of antibiotics.
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Affiliation(s)
- Nguyen Chi Huynh
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, 298-300A Nguyen Tat Thanh, District 4, Ho Chi Minh City, 755414, Viet Nam; Department of Chemical Engineering and Processing, Nong Lam University, Thu Duc District, Ho Chi Minh City, 700000, Viet Nam
| | - Thuy Thi Thanh Nguyen
- Department of Chemical Engineering and Processing, Nong Lam University, Thu Duc District, Ho Chi Minh City, 700000, Viet Nam
| | - Duyen Thi Cam Nguyen
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, 298-300A Nguyen Tat Thanh, District 4, Ho Chi Minh City, 755414, Viet Nam.
| | - Thuan Van Tran
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, 298-300A Nguyen Tat Thanh, District 4, Ho Chi Minh City, 755414, Viet Nam.
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12
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Mohammadi F, Farahmandkia Z, Mehrasbi MR, Mahmoudian MH, Tabatabaei FS, Mostafaloo R, Ghafouri N, Asadi-Ghalhari M. Ciprofloxacin antibiotic removal from aqueous solutions by ZnO nanoparticles coated on ACA: modeling and optimization. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:1443. [PMID: 37945976 DOI: 10.1007/s10661-023-12041-8] [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: 05/31/2023] [Accepted: 10/27/2023] [Indexed: 11/12/2023]
Abstract
Antibiotics are one of the most widely used drug groups. The presence of antibiotics in urban water sources and sewage creates many environmental and medical risks for humans and other living organisms. In this study, the potential of zinc oxide (ZnO) coated on almond shell activated carbon (ACA-ZnO) in removing ciprofloxacin (CIP) from aqueous solutions was investigated. Almond shell was used to make activated carbon. Zinc oxide nanoparticles were prepared by the sol-gel method, and finally, ZnO nanoparticles were bonded to activated carbon. The effect of independent parameters pH, contact time, adsorbent dose, and initial CIP concentration on CIP removal efficiency using ACA-ZnO was investigated by response surface methodology. Optimal removal was obtained at pH = 5.4, CIP initial concentration = 7.4 mg/L, adsorbent dose = 0.82 g/L, and reaction time = 67.3 min. This study followed a quadratic model (R2 = 0.958). The best model of adsorption isotherm fits with the Freundlich model (R2 = 0.9972) and the maximum capacity was 251.42 mg/g adsorption kinetics, and pseudo-second-order kinetic model (R2 = 0.959). The results of this study showed that ACA-ZnO as an adsorbent is very efficient, without environmental side effect and cost-benefit.
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Affiliation(s)
- Fatemeh Mohammadi
- Student Research Committee, Qom University of Medical Sciences, Qom, Iran
| | - Zohre Farahmandkia
- Department of Environmental Health Engineering, School of Public Health, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Mohammad Reza Mehrasbi
- Department of Environmental Health Engineering, School of Public Health, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Mohammad Hassan Mahmoudian
- Department of Environmental Health Engineering, Faculty of Health and Research Center for Environmental Pollutants, Qom University of Medical Sciences, Qom, Iran
| | - Fatemeh Sadat Tabatabaei
- Department of Environmental Health Engineering, Faculty of Health and Research Center for Environmental Pollutants, Qom University of Medical Sciences, Qom, Iran
| | - Roqiyeh Mostafaloo
- Department of Environmental Health Engineering, School of Public Health and Research Center for Health Sciences, Student Research Committee, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Nasim Ghafouri
- Department of Environmental Health Engineering, Alborz University of Medical Sciences, Karaj, Alborz, Iran
| | - Mahdi Asadi-Ghalhari
- Department of Environmental Health Engineering, Faculty of Health and Research Center for Environmental Pollutants, Qom University of Medical Sciences, Qom, Iran.
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13
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Cheng N, Wang B, Chen M, Feng Q, Zhang X, Wang S, Zhao R, Jiang T. Adsorption and photocatalytic degradation of quinolone antibiotics from wastewater using functionalized biochar. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 336:122409. [PMID: 37597728 DOI: 10.1016/j.envpol.2023.122409] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 07/31/2023] [Accepted: 08/17/2023] [Indexed: 08/21/2023]
Abstract
Quinolone antibiotics are emerging environmental contaminants, which cause serious harm to the ecological environment and human health. How to effectively remove these emerging pollutants from water remains a major challenge worldwide. In this study, a novel Fe/Ti biochar composite (Fe/Ti-MBC) was prepared by facile one-step co-pyrolysis of wood chips with hematite and titanium dioxide (TiO2) for adsorption and photocatalytic degradation of ciprofloxacin (CIP) and norfloxacin (NOR) in water. The results showed that the degradation efficiencies of Fe/Ti-MBC to CIP and NOR were 88.4% and 88.0%, respectively. The π-π interactions and polar interactions are the main adsorption mechanisms for CIP and NOR. In the photocatalytic process, h+ and ·OH are the main active substances for the oxidative degradation of CIP and NOR. This study shows that Fe/Ti-MBC is an effective and recyclable composite, providing a novel alternative way for antibiotics degradation.
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Affiliation(s)
- Ning Cheng
- College of Resources and Environmental Engineering, Guizhou University, Guiyang, Guizhou, 550025, China
| | - Bing Wang
- College of Resources and Environmental Engineering, Guizhou University, Guiyang, Guizhou, 550025, China; Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guiyang, Guizhou, 550025, China; Guizhou Karst Environmental Ecosystems Observation and Research Station, Ministry of Education, Guiyang, Guizhou, 550025, China.
| | - Miao Chen
- College of Resources and Environmental Engineering, Guizhou University, Guiyang, Guizhou, 550025, China
| | - Qianwei Feng
- College of Resources and Environmental Engineering, Guizhou University, Guiyang, Guizhou, 550025, China
| | - Xueyang Zhang
- School of Environmental Engineering, Xuzhou University of Technology, Xuzhou, Jiangsu, 221018, China
| | - Shengsen Wang
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Ruohan Zhao
- College of Resources and Environmental Engineering, Guizhou University, Guiyang, Guizhou, 550025, China
| | - Tao Jiang
- Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guiyang, Guizhou, 550025, China
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14
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A V M, K A, I BM. An integrated approach to remove endocrine-disrupting chemicals bisphenol and its analogues from the aqueous environment: a review. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2023; 88:1518-1546. [PMID: 37768753 PMCID: wst_2023_280 DOI: 10.2166/wst.2023.280] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
Bisphenol A (BPA) is a well-known endocrine-disrupting chemical (EDC) used as a plastic enhancer in producing polycarbonate resins to manufacture hard plastics. Due to strict limitations on the manufacturing and utilization of BPA, several bisphenol substitutes, bisphenol F (BPF), bisphenol S (BPS), and bisphenol AF (BPAF), have been developed to replace it in various applications. Because of their widespread use in food containers, infant bottles, and reusable water bottles, bisphenols (BPs) have been identified in different environmental circumstances, including drinking water, seawater, industrial effluent, and endocrine systems such as human blood, urine, and breast milk. However, locating and analyzing them in different conditions has proven to be challenging. Therefore, there is a need to reduce the prevalence of BPs in the environment. The significance of advanced treatment options for treating and eliminating BPA and its alternatives from water bodies are reviewed. Also, the research gaps and future scopes are discussed in this review article. According to the literature survey, adsorption and photocatalytic degradation provide synergistic benefits for environmental challenges because of their substantial adsorption Q5 capacity, high oxidation capability, and low cost compared to alternative individual treatment options.
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Affiliation(s)
- Monica A V
- Department of Chemical Engineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603 203, India E-mail:
| | - Anbalagan K
- Department of Chemical Engineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603 203, India
| | - Becky Miriyam I
- Department of Chemical Engineering, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu 603 203, India
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15
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Zheng Y, Lv P, Yang J, Xu G. Characterization and Adsorption Capacity of Modified Biochar for Sulfamethylimidine and Methylene Blue in Water. ACS OMEGA 2023; 8:29966-29978. [PMID: 37636932 PMCID: PMC10448699 DOI: 10.1021/acsomega.3c01251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 05/03/2023] [Indexed: 08/29/2023]
Abstract
In this study, a composite of pond mud and lanthanum- and nano-zero valent iron-modified-biochar was investigated for its ability to adsorb methylene blue (MB) and sulfamethazine (SMZ). La-modified attapulgite and nano-zero valent iron (surface area enhanced by 43.7% via Brunauer-Emmett-Teller analysis) were successfully loaded onto the straw-sediment biochar (BC) surface. With the increase in pyrolysis temperature, the biocompatibility yield, the H, O, and N content, and the ratio of carbon elements decreased, while the pH value, surficial micropores, C element, and ash content increased. The biocarbon small molecules were gradually and tightly ordered, and the organic groups such as hydroxyl, carboxyl groups, and carbon oxygen double bonds were gradually lost or disappeared. The original Fe-BC had more phenolic hydroxyl groups forming an intermolecular hydrogen bond than others with a higher adsorption capacity possibly through the Schiff base reaction. The effect of various pH (2-9), temperature (15-35 °C), and initial concentration (1-25 mg L-1) on adsorption was investigated. pH and temperature were the main factors governing the adsorption process. The maximum adsorption capacity was observed at pH 4. The adsorption performances for MB followed the order Fe-BC > La-BC > BC, and the maximum removal rate was over 98.45% with pH = 7. The three types of BC dosages between 0.2 (6.67 g L-1) and 0.4 g showed a removal rate of 99% for MB. The adsorption capacity of Fe-BC, La-BC, and BC for MB was 2.201, 1.905, and 2.401 mg L-1 with pH = 4, while 4.79, 4.58, and 5.55 mg g-1 were observed with BC dosage at 0.025 g. For SMZ, the higher the temperature, the better the adsorption effect, and it reaches saturation at approximately 25 °C. To further evaluate the nature of adsorption, Langmuir/Freundlich/Temkin models were tested and the adsorption capacities were evaluated on the surface of the BC composite. The three modified materials were physisorbed to SMZ, while MB was chemisorbed. For MB, the adsorption performance of BC is the best < 0.2 g (6.67 g L-1) at pH 7.0 at 35 °C. The Elovich model was more suitable for MB, while the Freundlich and Temkin models could better fit the adsorption process of MB. The preparatory secondary dynamics equation and Langmuir equation were more compliant for SMZ, and the saturated adsorption capacities of straw-modified, La-BC, and Fe-BC reached 5.699, 6.088, and 5.678 mg L-1, respectively.
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Affiliation(s)
- Yao Zheng
- Key
Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture
and Rural Affairs, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi, Jiangsu 214081, China
- Wuxi
Fishery College, Nanjing Agricultural University, Wuxi, Jiangsu 214081, China
| | - Peiyuan Lv
- Wuxi
Fishery College, Nanjing Agricultural University, Wuxi, Jiangsu 214081, China
| | - Jie Yang
- Wuxi
Fishery College, Nanjing Agricultural University, Wuxi, Jiangsu 214081, China
| | - Gangchun Xu
- Key
Laboratory of Integrated Rice-Fish Farming Ecology, Ministry of Agriculture
and Rural Affairs, Freshwater Fisheries Research Center (FFRC), Chinese Academy of Fishery Sciences (CAFS), Wuxi, Jiangsu 214081, China
- Wuxi
Fishery College, Nanjing Agricultural University, Wuxi, Jiangsu 214081, China
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16
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Jiang Z, Chen M, Lee X, Feng Q, Cheng N, Zhang X, Wang S, Wang B. Enhanced removal of sulfonamide antibiotics from water by phosphogypsum modified biochar composite. J Environ Sci (China) 2023; 130:174-186. [PMID: 37032034 DOI: 10.1016/j.jes.2022.10.023] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/13/2022] [Accepted: 10/16/2022] [Indexed: 06/19/2023]
Abstract
Antibiotic pollution has become a global eco-environmental issue. To reduce sulfonamide antibiotics in water and improve resource utilization of solid wastes, phosphogypsum modified biochar composite (PMBC) was prepared via facile one-step from distillers grains, wood chips, and phosphogypsum. The physicochemical properties of PMBC were characterized by scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FTIR), Zeta potential, X-ray diffraction (XRD), etc. The influencing factors, adsorption behaviors, and mechanisms of sulfadiazine (SD) and sulfamethazine (SMT) onto PMBC were studied by batch and fixed bed column adsorption experiments. The results showed that the removal rates of SD and SMT increased with the increase of phosphogypsum proportion, while decreased with the increase of solution pH. The maximum adsorption capacities of modified distillers grain and wood chips biochars for SD were 2.98 and 4.18 mg/g, and for SMT were 4.40 and 8.91 mg/g, respectively, which was 9.0-22.3 times that of pristine biochar. Fixed bed column results demonstrated that PMBC had good adsorption capacities for SD and SMT. When the solution flow rate was 2.0 mL/min and the dosage of PMBC was 5.0 g, the removal rates of SD and SMT by modified wood chips biochar were both higher than 50% in 4 hr. The main mechanisms of SD and SMT removal by PMBC are hydrogen bonding, π-π donor-acceptor, electrostatic interaction, and hydrophobic interaction. This study provides an effective method for the removal of antibiotics in water and the resource utilization of phosphogypsum.
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Affiliation(s)
- Zonghong Jiang
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 50025, China
| | - Miao Chen
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 50025, China.
| | - Xinqing Lee
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
| | - Qianwei Feng
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 50025, China
| | - Ning Cheng
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 50025, China
| | - Xueyang Zhang
- School of Environmental Engineering, Xuzhou University of Technology, Xuzhou 221018, China
| | - Shengsen Wang
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Bing Wang
- College of Resources and Environmental Engineering, Guizhou University, Guiyang 50025, China; Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guiyang 550025, China.
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17
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Singh A, Chaurasia D, Khan N, Singh E, Chaturvedi Bhargava P. Efficient mitigation of emerging antibiotics residues from water matrix: Integrated approaches and sustainable technologies. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 328:121552. [PMID: 37075921 DOI: 10.1016/j.envpol.2023.121552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 03/14/2023] [Accepted: 04/01/2023] [Indexed: 05/03/2023]
Abstract
The prevalence of antibiotic traces in the aquatic matrices is a concern due to the emanation of antibiotic resistance which requires a multifaceted approach. One of the potential sources is the wastewater treatment plants with a lack of advance infrastructure leading to the dissemination of contaminants. Continuous advancements in economic globalization have facilitated the application of several conventional, advanced, and hybrid techniques for the mitigation of rising antibiotic traces in the aquatic matrices that have been thoroughly scrutinized in the current paper. Although the implementation of existing mitigation techniques is associated with several limiting factors and barriers which require further research to enhance their removal efficiency. The review further summarizes the application of the microbial processes to combat antibiotic persistence in wastewater establishing a sustainable approach. However, hybrid technologies are considered as most efficient and environmental-benign due to their higher removal efficacy, energy-efficiency, and cost-effectiveness. A brief elucidation has been provided for the mechanism responsible for lowering antibiotic concentration in wastewater through biodegradation and biotransformation. Overall, the current review presents a comprehensive approach for antibiotic mitigation using existing methods however, policies and measures should be implemented for continuous monitoring and surveillance of antibiotic persistence in aquatic matrices to reduce their potential risk to humans and the environment.
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Affiliation(s)
- Anuradha Singh
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Deepshi Chaurasia
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Nawaz Khan
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Ekta Singh
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Preeti Chaturvedi Bhargava
- Aquatic Toxicology Laboratory, Environmental Toxicology Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India.
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18
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Song J, Lu L, Wang J, Li X, Li J, Wang Q, Du H, Xin S, Xu L, Yan Q, Zhou C, Liu G, Xin Y. Highly efficient nanocomposite of Y 2O 3@biochar for oxytetracycline removal from solution: Adsorption characteristics and mechanisms. BIORESOURCE TECHNOLOGY 2023:129380. [PMID: 37356503 DOI: 10.1016/j.biortech.2023.129380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2023] [Revised: 06/19/2023] [Accepted: 06/20/2023] [Indexed: 06/27/2023]
Abstract
Nano Y2O3-modified biochar composites (Y2O3@BC600) were fabricated successfully and exhibited great adsorption toward oxytetracycline (OTC). The Langmuir adsorption capacity of Y2O3@BC600-1:4 for OTC reached 223.46 mg/g, 10.52 times greater than that of BC600. The higher dispersion of Y2O3 nanoparticles, increased surface area of 175.65 m2/g and expanded porosity of 0.27 cm3/g accounted for higher OTC adsorption by Y2O3@BC600-1:4. Y2O3@BC600-1:4 could resist the interference of co-existing cations (Na+, K+, Mg2+, Ca2+) and anions (Cl-, NO3-, SO42-) on OTC removal. Y2O3 coating changed surface charge property of BC600, favoring the contribution of electrostatic interaction. Synchrotron radiation-based Fourier transform infrared spectroscopy detected obvious peak shift and intensity change of surface -OH when OTC adsorption occurred. Accordingly, stronger H-bonding (charge-assisted hydrogen bond, OTC-H2N+···HO-Y2O3@BC600-1:4) was proposed for OTC adsorption. Y2O3@BC600 exhibited renewability and stability in the adsorptive removal of OTC. Therefore, Y2O3@BC600 may be a novel and suitable adsorbent for antibiotic removal.
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Affiliation(s)
- Jiaying Song
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao 266109, China
| | - Lun Lu
- State Environmental Protection Key Laboratory of Environ Pollut Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, China
| | - Jian Wang
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao 266109, China
| | - Xue Li
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao 266109, China
| | - Jinying Li
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao 266109, China
| | - Qianwen Wang
- Instrumental Analysis Center of Qingdao Agricultural University, Qingdao 266109, China
| | - Haiyan Du
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao 266109, China
| | - Shuaishuai Xin
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao 266109, China
| | - Lina Xu
- College of Landscape Architecture and Forestry, Qingdao Agricultural University, Qingdao 266109, China
| | - Qinghua Yan
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao 266109, China
| | - Chengzhi Zhou
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao 266109, China
| | - Guocheng Liu
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao 266109, China.
| | - Yanjun Xin
- Qingdao Engineering Research Center for Rural Environment, College of Resource and Environment, Qingdao Agricultural University, Qingdao 266109, China
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19
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Mohebali H, Moussavi G, Karimi M, Giannakis S. Development of a magnetic Ce-Zr bimetallic MOF as an efficient catalytic ozonation mediator: Preparation, characterization, and catalytic activity. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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20
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Che H, Wei G, Fan Z, Zhu Y, Zhang L, Wei Z, Huang X, Wei L. Super facile one-step synthesis of sugarcane bagasse derived N-doped porous biochar for adsorption of ciprofloxacin. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 335:117566. [PMID: 36867900 DOI: 10.1016/j.jenvman.2023.117566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 01/30/2023] [Accepted: 02/20/2023] [Indexed: 06/18/2023]
Abstract
A new N-doped biochar derived from sugarcane bagasse (NSB) was prepared by one-pot pyrolysis with sugarcane bagasse as feedstock, melamine as nitrogen source and NaHCO3 as pore-forming agent, and then NSB was used to adsorb ciprofloxacin (CIP) in water. The optimal preparation conditions of NSB were determined based on the evaluation index of adsorbability of NSB for CIP. SEM, EDS, XRD, FTIR, XPS and BET characterizations were used to analyze the physicochemical properties of the synthetic NSB. It was found that the prepared NSB had excellent pore structure, high specific surface area and more nitrogenous functional groups. Meanwhile, it was demonstrated that the synergistic interaction between melamine and NaHCO3 increased the pores of NSB and the largest surface area of NSB was 1712.19 m2/g. The CIP adsorption capacity of 212 mg/g was obtained under optimal parameters as follows: NSB amount 0.125 g/L, initial pH 6.58, adsorption temperature 30 °C, CIP initial concentration 30 mg/L and adsorption time 1 h. The isotherm and kinetics studies elucidated that the adsorption of CIP conformed both D-R model and Pseudo-second-order kinetic model. The high CIP adsorption capacity of NSB for CIP was due to the combined filling pore, π-π conjugation and hydrogen bonding. All results demonstrated that adsorption of CIP by the low-cost N-doped biochar of NSB is a reliable technology for the disposal of CIP wastewater.
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Affiliation(s)
- Huixian Che
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Guangtao Wei
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China; Guangxi Key Laboratory of Processing for Non-ferrous Metallic and Featured Materials, Guangxi Zhuang Autonomous Region, Nanning, 530004, PR China
| | - Zuodan Fan
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Youlian Zhu
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Linye Zhang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China; Guangxi Key Laboratory of Bio-refinery, Guangxi Zhuang Autonomous Region, Nanning 530007, PR China.
| | - Zhaozhou Wei
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Xinlan Huang
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
| | - Linru Wei
- School of Chemistry and Chemical Engineering, Guangxi University, Nanning, 530004, PR China
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21
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Xu H, Zhu K, Alharbi NS, Rabah SO, Chen C. Mechanisms and degradation pathways of doxycycline hydrochloride by Fe 3O 4 nanoparticles anchored nitrogen-doped porous carbon microspheres activated peroxymonosulfate. CHEMOSPHERE 2023; 333:138917. [PMID: 37196793 DOI: 10.1016/j.chemosphere.2023.138917] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 05/05/2023] [Accepted: 05/10/2023] [Indexed: 05/19/2023]
Abstract
Peroxymonosulfate (PMS) based advanced oxidation processes have gained widespread attention in refractory antibiotics treatment. In this study, Fe3O4 nanoparticles anchored nitrogen-doped porous carbon microspheres (Fe3O4/NCMS) were synthesized and applied to PMS heterogeneous activation for doxycycline hydrochloride (DOX-H) degradation. Benefitting from synergy effects of porous carbon structure, nitrogen doping, and fine dispersion of Fe3O4 nanoparticles, Fe3O4/NCMS showed excellent DOX-H degradation efficiency within 20 min via PMS activation. Further reaction mechanisms revealed that the reactive oxygen species including hydroxyl radicals (•OH) and singlet oxygen (1O2) played the dominant role for DOX-H degradation. Moreover, Fe(II)/Fe(III) redox cycle also participated in the radical generation, and nitrogen-doped carbonaceous structures served as the highly active centers for non-radical pathways. The possible degradation pathways and intermediate products accompanying DOX-H degradation were also analyzed in detail. This study provides key insights into the further development of heterogeneous metallic oxides-carbon catalysts for antibiotic-containing wastewater treatment.
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Affiliation(s)
- Huan Xu
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, HFIPS, Chinese Academy of Sciences, Hefei, 230031, PR China
| | - Kairuo Zhu
- College of Light Industry and Chemical Engineering, Dalian Polytechnic University, Dalian, 116034, PR China.
| | - Njud S Alharbi
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Samar O Rabah
- Department of Biological Sciences, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Changlun Chen
- Institute of Plasma Physics, HFIPS, Chinese Academy of Sciences, Hefei, 230031, PR China.
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22
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Enhancement on Removal of Oxytetracycline in Aqueous Solution by Corn Stover Biochar: Comparison of KOH and KMnO4 Modifications. Chem Eng Res Des 2023. [DOI: 10.1016/j.cherd.2022.12.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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23
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PVA-assisted CNCs/SiO2 composite aerogel for efficient sorption of ciprofloxacin. J Colloid Interface Sci 2023; 630:544-555. [DOI: 10.1016/j.jcis.2022.10.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 09/29/2022] [Accepted: 10/04/2022] [Indexed: 11/11/2022]
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24
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Arenas-Lago D, Race M, Zhang Z, Núñez-Delgado A. Removal of emerging pollutants from the environment: From bioadsorbents to nanoparticle-based systems. ENVIRONMENTAL RESEARCH 2023; 216:114692. [PMID: 36374794 DOI: 10.1016/j.envres.2022.114692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
In the Call for Papers corresponding to this Virtual Special Issue (VSI), the Editors indicated that, as is well known, emerging pollutants include a variety of substances that pose remarkable risks for the environment and public health. In fact, emerging pollutants are considered a matter of concern deserving increasing efforts to elucidate their occurrence, fate, repercussions, and alternatives to their removal from the various environmental compartments where they can be found after spreading as contaminants. Also, the Editors commented that, among the various alternatives that can be considered for achieving their successful removal, some of them are based on the use of sorbent materials, and, specifically, bioadsorbents, which are attractive due to the efficacy and low cost associated with some of them. Another alternative is related to the utilization of nanoparticle-based systems, which may be considered a promising field of research in this way. In both cases, obtaining new research results, as well as designing and programming new ways of going steps ahead in the investigation of both kinds of materials, would be key objectives. According to the previous considerations, the Editors of the VSI invited researchers having new data concerning these aspects to submit manuscripts with experimental results, discussion, reflections and prospective related to their work. With the Special Issue closed, the number of submissions received was 83, with 40 high-quality works being accepted for publication, increasing the overall knowledge on this topic by providing results that we are sure will be of value for the scientific community and the society.
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Affiliation(s)
- Daniel Arenas-Lago
- Soil Science and Agricultural Chemistry, Univ. of Vigo, Fac. Sciences, Campus Univ., 32004 Ourense, Spain
| | - Marco Race
- Department of Civil and Mechanical Engineering, Univ. of Cassino and Southern Lazio 03043 Cassino, Italy
| | - Zhien Zhang
- Department of Chemical and Biomedical Engineering, West Virginia Univ., Morgantown, WV, USA
| | - Avelino Núñez-Delgado
- Dept. Soil Sci. and Agric. Chem., Univ. of Santiago de Compostela, Engineering Polytech. School, Campus Univ. S/n, 27002 Lugo, Spain.
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25
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Qalyoubi L, Al-Othman A, Al-Asheh S. Removal of ciprofloxacin antibiotic pollutants from wastewater using nano-composite adsorptive membranes. ENVIRONMENTAL RESEARCH 2022; 215:114182. [PMID: 36044960 DOI: 10.1016/j.envres.2022.114182] [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: 05/03/2022] [Revised: 07/27/2022] [Accepted: 08/19/2022] [Indexed: 06/15/2023]
Abstract
The emergence of antibiotics in water has been globally recognized as a critical pollution issue. Antibiotics (such as Ciprofloxacin (CPFX) pose a serious threat to humans and to the ecosystem due to its accumulation in water sources which can lead to chronic health problems and endanger aquatic life. It is therefore crucial to properly remove them from water. In this work, a nano-composite adsorptive membrane based on Zirconium Phosphate (ZrP) adsorbent supported on Polyethersulfone (PES) was synthesized and evaluated for the removal of CPFX from synthetic aqueous solutions. The membranes described here showed a very high antibiotic removal rate. The effect of various parameters such as the initial concentration of the antibiotic, the adsorbent dosage, contact time, pH, and temperature was studied. The equilibrium data were found to reasonably best fit with the Temkin isotherm model. The membranes showed a high ciprofloxacin removal (99.7%) as opposed to (68%) when PES membrane alone was used. Moreover, a significant improvement in the membrane's water flux (100.84 L/m2.h) and permeability (97.62 L/m2.hr.bar) were noticed as opposed to pure PES membrane's flux and permeability. The adsorptive membranes were characterized by scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDS), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), and Brunauer-Emmett-Teller (BET). The results confirmed the successful formation of ZrP nanoparticles adsorbent within the membrane matrix, and with enhanced hydrophilic properties. The membrane was successfully regenerated and reused up to 5 times. The results of this work showed the potential of such membranes for the removal of ciprofloxacin and at a high efficiency.
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Affiliation(s)
- Liyan Qalyoubi
- Department of Chemical Engineering, American University of Sharjah, PO. Box, 26666, Sharjah, United Arab Emirates
| | - Amani Al-Othman
- Department of Chemical Engineering, American University of Sharjah, PO. Box, 26666, Sharjah, United Arab Emirates.
| | - Sameer Al-Asheh
- Department of Chemical Engineering, American University of Sharjah, PO. Box, 26666, Sharjah, United Arab Emirates
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26
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Enhanced Adsorption of Sulfonamides by Attapulgite-Doped Biochar Prepared with Calcination. Molecules 2022; 27:molecules27228076. [PMID: 36432176 PMCID: PMC9698770 DOI: 10.3390/molecules27228076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/18/2022] [Accepted: 11/18/2022] [Indexed: 11/22/2022] Open
Abstract
The extensive use of sulfonamides seriously threatens the safety and stability of the ecological environment. Developing green inexpensive and effective adsorbents is critically needed for the elimination of sulfonamides from wastewater. The non-modified biochar exhibited limited adsorption capacity for sulfonamides. In this study, the attapulgite-doped biochar adsorbent (ATP/BC) was produced from attapulgite and rice straw by calcination. Compared with non-modified biochar, the specific surface area of ATP/BC increased by 73.53−131.26%, and the average pore width of ATP/BC decreased 1.77−3.60 nm. The removal rates of sulfadiazine and sulfamethazine by ATP/BC were 98.63% and 98.24%, respectively, at the mass ratio of ATP to rice straw = 1:10, time = 4 h, dosage = 2 g∙L−1, pH = 5, initial concentration = 1 mg∙L−1, and temperature = 20 °C. A pseudo-second-order kinetic model (R2 = 0.99) and the Freundlich isothermal model (R2 = 0.99) well described the process of sulfonamide adsorption on ATP/BC. Thermodynamic calculations showed that the adsorption behavior of sulfonamides on the ATP/BC was an endothermic (ΔH > 0), random (ΔS > 0), spontaneous reaction (ΔG < 0) that was dominated by chemisorption (−20 kJ∙mol−1 > ΔG). The potential adsorption mechanisms include electrostatic interaction, hydrogen bonding, π−π interaction, and Lewis acid−base interactions. This study provides an optional material to treat sulfonamides in wastewater and groundwater.
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27
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Hao J, Wu L, Lu X, Zeng Y, Jia B, Luo T, He S, Liang L. A stable Fe/Co bimetallic modified biochar for ofloxacin removal from water: adsorption behavior and mechanisms. RSC Adv 2022; 12:31650-31662. [PMID: 36380923 PMCID: PMC9634719 DOI: 10.1039/d2ra05334a] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 10/24/2022] [Indexed: 11/10/2023] Open
Abstract
In this study, Fe-Co-modified biochar (FMBC) loaded with iron (Fe) and cobalt (Co) bimetals after NaOH activation was prepared by pyrolysis using forestry waste cedar bark as a raw material to study its properties and the adsorption of ofloxacin (OFX). The surface structure and chemical properties were analyzed by BET, SEM-EDS, XRD, XPS, and FTIR characterization, and the results showed that the FMBC possessed a larger specific surface area and abundant surface functional groups. FMBC conformed to pseudo-second-order kinetic and Langmuir isotherm models, indicating that the OFX adsorption process on FMBC was a monolayer adsorption process and controlled by chemisorption. The saturation adsorption capacity of FMBC was 10 times higher than that of cedar bark biochar (BC). In addition, the effects of initial pH and coexisting ions on the adsorption process were investigated, and FMBC showed good adsorption, with the best adsorption capacity at pH = 7. Multiple adsorption mechanisms, including physical and chemical interactions, were involved in the adsorption of OFX by FMBC. TG, metal leaching, different water sources, and VSM tests showed that FMBC had good stability and was easily separated from water. Finally, the reusability performance of FMBC was investigated by various methods, and after five cycles it could still reach 75.78-89.31% of the adsorption capacity before recycling. Therefore, the FMBC synthesized in this study is a promising new adsorbent.
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Affiliation(s)
- Jiajie Hao
- Guangxi University, School of Resources Environment and Materials Nanning 530004 China
| | - Lieshan Wu
- Guangxi University, School of Resources Environment and Materials Nanning 530004 China
| | - Xiaowei Lu
- Guangxi University, School of Resources Environment and Materials Nanning 530004 China
| | - Yalin Zeng
- Guangxi University, School of Resources Environment and Materials Nanning 530004 China
| | - Bing Jia
- Guangxi University, School of Resources Environment and Materials Nanning 530004 China
| | - Tingting Luo
- Guangxi University, School of Resources Environment and Materials Nanning 530004 China
| | - Shixing He
- Guangxi University, School of Resources Environment and Materials Nanning 530004 China
| | - Liuling Liang
- Guangxi Zhuang Autonomous Region Ecological and Environmental Monitoring Centre Nanning 530028 China
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28
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Qiu B, Shao Q, Shi J, Yang C, Chu H. Application of biochar for the adsorption of organic pollutants from wastewater: Modification strategies, mechanisms and challenges. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121925] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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29
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Optimization and mechanisms of rapid adsorptive removal of chromium (VI) from wastewater using industrial waste derived nanoparticles. Sci Rep 2022; 12:14174. [PMID: 35986081 PMCID: PMC9391442 DOI: 10.1038/s41598-022-18494-0] [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: 07/03/2022] [Accepted: 08/12/2022] [Indexed: 11/09/2022] Open
Abstract
AbstractNowadays, the existence of metal ions in the environment like chromium (VI) is of significant worry because of its high toxicity to many life forms. Therefore, in this study, an inexpensive and eco-friendly nano-adsorbent was produced from the waste of drinking water industry for effective elimination of Cr (VI) from wastewater. The mineralogical and morphological characterization and compositions of the bulk and nano- adsorbents were performed. The adsorption capabilities of nWTRs for Cr(VI) under different experimental conditions of adsorbent dosage, time, Cr (VI) concentration, solution pH, and competitive ions were investigated. The nWTRs adsorbent exhibits very rapid adsorption potential (92%) for Cr (VI) within the first 15 min. Langmuir model showed high predictive capability for describing Cr (VI) sorption equilibrium data. The estimated maximum sorption capacity (qmax) of nWTRs and bWTRs was found to be 40.65 mg g−1 and 2.78 mg g−1 respectively. The sorption kinetics data of Cr (VI) were perfectly fitted to the model of second-order kinetics. High immobilization capability of nWTRs for sorbed Cr (VI) is evident as most of adsorbed Cr (VI) was associated with the residual fraction. The nWTRs efficiency of Cr (VI) removal from wastewater using batch and column techniques were 98.12 and 96.86% respectively. Electrostatic interactions, outer sphere complexation and pore filling are the main mechanisms suggested for binding of Cr(VI) with functional groups of nWTRs. This study demonstrates that the green low-cost nWTRs have the potential to decontaminate industrial wastewater effluents containing Cr (VI).
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30
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Novel metal based nanocomposite for rapid and efficient removal of lead from contaminated wastewater sorption kinetics, thermodynamics and mechanisms. Sci Rep 2022; 12:8412. [PMID: 35589942 PMCID: PMC9120188 DOI: 10.1038/s41598-022-12485-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 04/25/2022] [Indexed: 11/08/2022] Open
Abstract
A sol–gel method was utilized to prepare a novel nanocomposite adsorbent (nMgO/bentonite) and was tested for Pb(II) removal from aqueous solutions. The produced nanocomposite was investigated using, SEM–EDX, XRD, and FTIR analyses before and after Pb adsorption. Adsorption equilibrium and kinetic experiments were run in batch system under different conditions of pH, adsorbent dose, competitive cations, contact time and temperature. The results exhibited rapid Pb(II) adsorption by the nanocomposite in the first five min. Experimental lead adsorption equilibrium and kinetics data fitted well to Langmuir and power function models, respectively as indicated from the lowest standard error (SE) values. The calculated Langmuir maximum adsorption capacity (qmax) value of nanocomposite (75 mg g−1) was 4.5 times higher than that of bentonite (16.66 mg g−1). Moreover, the highest quantity of Pb(II) uptake was achieved at temperature of 307 K and pH 9. The Langmuir sorption capacity of the nanocomposite for Pb(II) increased from 75 to 145 mg g−1 with increasing temperature from 287 to 307 K. The thermodynamic parameters of Pb(II) adsorption by the nanocomposite affirm the spontaneous and endothermic nature of the adsorption process. Lead adsorption mechanisms by the nanocomposite were proposed and discussed.
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