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Zhang B, Chen J, Wang C, Wang P, Cui G, Zhang J, Hu Y, Gao H. Insight into different adsorption behaviors of two fluoroquinolone antibiotics by sediment aggregation fractions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:24329-24343. [PMID: 36335180 DOI: 10.1007/s11356-022-23947-0] [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: 07/15/2022] [Accepted: 10/28/2022] [Indexed: 06/16/2023]
Abstract
Sediment, consisting of different aggregation fractions, is a hotspot site for transport and transformation of various pollutants including antibiotics. However, the fate of different antibiotics in aquatic sediments mediated by sediment aggregation fraction adsorption and the mechanism behinds are still unclear. In this study, we investigated the adsorption behavior of two fluoroquinolone antibiotics (ciprofloxacin and ofloxacin) on four aggregation fractions separated from the sediment of Taihu Lake, a typical lake contaminated by antibiotics in China. The results showed that the adsorption of ciprofloxacin and ofloxacin fitted the Freundlich model, irrespective of sediment aggregation size. The adsorption of ciprofloxacin and ofloxacin was depended on the size of sediment aggregation fractions, and the macroaggregation (> 200 μm) exhibited the strongest capacity, followed by large microaggregation (63-200 μm), medium microaggregation (20-63 μm), and small and primary microaggregation (< 20 μm). This fraction size-dependent effects of sediment aggregations on antibiotic adsorption might be closely related to the differences in their specific surface areas, organic matter contents, and surface functional groups. The adsorption of ciprofloxacin and ofloxacin by sediment aggregation fractions was characterized by a combination of chemical and physical adsorptions, with the former being the dominant process. Compared with ofloxacin, ciprofloxacin could be more rapidly and easily absorbed by four sediment aggregation fractions, and more readily complexed with carboxyl groups on macroaggregation surface. The adsorption of two antibiotics by extracellular polymeric substance showed that tryptophan and tyrosine protein-like, humic-like substance on the surface of sediment could bind to both antibiotics through a complexation reaction. The π-π electron donor-acceptor interaction and hydrogen bonds were responsible for the antibiotic adsorption by sediment aggregation.
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Affiliation(s)
- Bo Zhang
- Key Laboratory of Integrated Regulation and Resource Department On Shallow Lakes, Ministry of Education, College of Environment, Hohai University, 1 Xikang Road No.1Jiangsu Province, Nanjing, 210098, People's Republic of China
| | - Juan Chen
- Key Laboratory of Integrated Regulation and Resource Department On Shallow Lakes, Ministry of Education, College of Environment, Hohai University, 1 Xikang Road No.1Jiangsu Province, Nanjing, 210098, People's Republic of China.
| | - Chao Wang
- Key Laboratory of Integrated Regulation and Resource Department On Shallow Lakes, Ministry of Education, College of Environment, Hohai University, 1 Xikang Road No.1Jiangsu Province, Nanjing, 210098, People's Republic of China
| | - Peifang Wang
- Key Laboratory of Integrated Regulation and Resource Department On Shallow Lakes, Ministry of Education, College of Environment, Hohai University, 1 Xikang Road No.1Jiangsu Province, Nanjing, 210098, People's Republic of China
| | - Ge Cui
- Key Laboratory of Integrated Regulation and Resource Department On Shallow Lakes, Ministry of Education, College of Environment, Hohai University, 1 Xikang Road No.1Jiangsu Province, Nanjing, 210098, People's Republic of China
| | - Jingjing Zhang
- Key Laboratory of Integrated Regulation and Resource Department On Shallow Lakes, Ministry of Education, College of Environment, Hohai University, 1 Xikang Road No.1Jiangsu Province, Nanjing, 210098, People's Republic of China
| | - Yu Hu
- Key Laboratory of Integrated Regulation and Resource Department On Shallow Lakes, Ministry of Education, College of Environment, Hohai University, 1 Xikang Road No.1Jiangsu Province, Nanjing, 210098, People's Republic of China
| | - Han Gao
- Key Laboratory of Integrated Regulation and Resource Department On Shallow Lakes, Ministry of Education, College of Environment, Hohai University, 1 Xikang Road No.1Jiangsu Province, Nanjing, 210098, People's Republic of China
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Wang B, Bai Z, Jiang H, Prinsen P, Luque R, Zhao S, Xuan J. Selective heavy metal removal and water purification by microfluidically-generated chitosan microspheres: Characteristics, modeling and application. JOURNAL OF HAZARDOUS MATERIALS 2019; 364:192-205. [PMID: 30366241 DOI: 10.1016/j.jhazmat.2018.10.024] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 09/07/2018] [Accepted: 10/09/2018] [Indexed: 06/08/2023]
Abstract
Many industrial wastewater streams contain heavy metals, posing serious and irreversible damage to humans and living organisms, even at low concentrations due to their high toxicity and persistence in the environment. In this study, high-performance monodispersed chitosan (CS) microspheres were prepared using a simple microfluidic method and evaluated for metal removal from contaminated water. Batch experiments were carried out to evaluate the adsorption characteristics for the removal of copper ions, one representative heavy metal, from aqueous solutions. The inherent advantages of microfluidics enabled a precise control of particle size (CV = 2.3%), while exhibiting outstanding selectivity towards target ions (adsorption capacity 75.52 mg g-1) and fair regeneration (re-adsorption efficiency 74% after 5 cycles). An integrated adsorption mechanism analytic system was developed based on different adsorption kinetics and isotherms models, providing an excellent adsorption prediction model with pseudo-second order kinetics (R2 = 0.999), while the isotherm was fitted best to the Langmuir model (R2 = 0.998). The multi-step adsorption process was revealed via quantitative measurements and schematically described. Selective adsorption performance of CS microspheres in the present of other competitive metal ions with different valence states has been demonstrated and studied by both experimental and density functional theory (DFT) analysis.
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Affiliation(s)
- Bingjie Wang
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, PR China; Departamento de Química Orgánica, Universidad de Córdoba, Edif. Marie Curie, Ctra Nnal IV-A, Km 396, E14014 Córdoba, Spain
| | - Zhishan Bai
- State Environmental Protection Key Laboratory of Environmental Risk Assessment and Control on Chemical Process, School of Mechanical and Power Engineering, East China University of Science and Technology, Shanghai 200237, PR China.
| | - Haoran Jiang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Pepijn Prinsen
- Departamento de Química Orgánica, Universidad de Córdoba, Edif. Marie Curie, Ctra Nnal IV-A, Km 396, E14014 Córdoba, Spain
| | - Rafael Luque
- Departamento de Química Orgánica, Universidad de Córdoba, Edif. Marie Curie, Ctra Nnal IV-A, Km 396, E14014 Córdoba, Spain
| | - Shuangliang Zhao
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Jin Xuan
- Department of Chemical Engineering, Loughborough University, Loughborough, LE11 3TU, United Kingdom.
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Yew M, Ren Y, Koh KS, Sun C, Snape C. A Review of State-of-the-Art Microfluidic Technologies for Environmental Applications: Detection and Remediation. GLOBAL CHALLENGES (HOBOKEN, NJ) 2019; 3:1800060. [PMID: 31565355 PMCID: PMC6383963 DOI: 10.1002/gch2.201800060] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 08/09/2018] [Indexed: 05/17/2023]
Abstract
Microfluidic systems have advanced beyond natural and life science applications and lab-on-a-chip uses. A growing trend of employing microfluidic technologies for environmental detection has emerged thanks to the precision, time-effectiveness, and cost-effectiveness of advanced microfluidic systems. This paper reviews state-of-the-art microfluidic technologies for environmental applications, such as on-site environmental monitoring and detection. Microdevices are extensively used in collecting environmental samples as a means to facilitate detection and quantification of targeted components with minimal quantities of samples. Likewise, microfluidic-inspired approaches for separation and treatment of contaminated water and air, such as the removal of heavy metals and waterborne pathogens from wastewater and carbon capture are also investigated.
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Affiliation(s)
- Maxine Yew
- Department of MechanicalMaterials and Manufacturing EngineeringUniversity of Nottingham Ningbo China199 Taikang East Road315100NingboChina
| | - Yong Ren
- Department of MechanicalMaterials and Manufacturing EngineeringUniversity of Nottingham Ningbo China199 Taikang East Road315100NingboChina
| | - Kai Seng Koh
- School of Engineering and Physical SciencesHeriot‐Watt University MalaysiaNo. 1 Jalan Venna P5/2, Precinct 562200PutrajayaMalaysia
| | - Chenggong Sun
- Faculty of EngineeringUniversity of NottinghamThe Energy Technologies Building, Jubilee CampusNottinghamNG7 2TUUK
| | - Colin Snape
- Faculty of EngineeringUniversity of NottinghamThe Energy Technologies Building, Jubilee CampusNottinghamNG7 2TUUK
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