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Zheng X, Shen C, Deng Z, Pan C, Guo Y. Application of a novel polymer cross-linked with magnetite for efficient norfloxacin adsorption at a wide pH range. ENVIRONMENTAL RESEARCH 2024; 249:118471. [PMID: 38354888 DOI: 10.1016/j.envres.2024.118471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 02/02/2024] [Accepted: 02/10/2024] [Indexed: 02/16/2024]
Abstract
Nowadays, NOR-containing wastewater has placed huge pressure on global ecology. In this study, a chemically-modified chitosan-based polymer was cross-linked with magnetite to prepare a novel magnetic composite adsorbent named Fe3O4/CS-P(AM-SSS) for norfloxacin (NOR) removal. The preparation conditions were optimized by single factor experiments and response surface methodology. A series of characterization analyses were carried out on the morphology, structure, and properties of Fe3O4/CS-P(AM-SSS), verifying that Fe3O4/CS-P(AM-SSS) was successfully prepared. Batch adsorption experiments showed that NOR was efficiently removed by Fe3O4/CS-P(AM-SSS), with a broad pH applicability of 3-10, short adsorption equilibrium time of 60 min, maximum adsorption capacity of 268.79 mg/g, and high regeneration rate of 86% after eight adsorption-desorption cycles. Due to the three-dimensional network structure and abundant functional groups provided by modified chitosan polymer, the superior adsorption capability of Fe3O4/CS-P(AM-SSS) was achieved through electrostatic interaction, π-π stacking, hydrophobic interaction, and hydrogen bonding. Adsorption process was exothermic and well fitted by the pseudo-second-order kinetic model and the Langmuir isothermal model. The presence of cations had a slight inhibitory effect on NOR adsorption, while humic acid nearly had no effect. In model swine wastewater, 90.3% NOR was removed by Fe3O4/CS-P(AM-SSS). Therefore, with these superior characteristics, Fe3O4/CS-P(AM-SSS) was expected to be an ideal material for treating NOR-containing wastewater in the future.
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Affiliation(s)
- Xinyu Zheng
- Department of Municipal Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China; Jiangsu Provincial Key Laboratory of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Cong Shen
- Department of Municipal Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Ziran Deng
- Department of Municipal Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Chenqi Pan
- Department of Municipal Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China
| | - Yongfu Guo
- Department of Municipal Engineering, Suzhou University of Science and Technology, Suzhou, 215009, China; Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou, 215009, Jiangsu, China.
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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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Jia H, Xu H, Shi M, Lu K, Tao Y, Xia M, Wang F. Construction of ACNF/Polypyrrole/MIL-100-Fe composites with exceptional removal performance for ceftriaxone and indomethacin inspired by "Ecological Infiltration System". J Colloid Interface Sci 2023; 650:1152-1163. [PMID: 37473475 DOI: 10.1016/j.jcis.2023.07.050] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/04/2023] [Accepted: 07/08/2023] [Indexed: 07/22/2023]
Abstract
Developing advanced adsorbents for removing the alarming level of pharmaceuticals active compounds (PhACs) pollution is an urgent task for environmental treatment. Herein, a novel acid-treated carbon nanofiber/polypyrrole/MIL-100-Fe (ACNF/PPy/MIL-100-Fe) with stable 3D-supporting skeleton and hierarchical porous structure had been fabricated to erasure ceftriaxone (CEF) and indomethacin (IDM) from aqueous solution. ACNF as scaffold achieved the highly uniform growth of MIL-100-Fe and PPy. Viewing the large BET surface area (SBET, 999.7 m2/g), highly exposed accessible active sites and copious functional groups, ACNF/PPy/MIL-100-Fe separately showed an excellent adsorption capacity for CEF (294.7 mg/g) and IDM (751.8 mg/g), outstripping the most previously reported adsorbents. Moreover, ACNF/PPy/MIL-100-Fe reached rapid adsorption kinetics and standout reusability property. Further, the redesigned easy-to-recyclable ACF/PPy/MIL-100-Fe inspired by the electrode formation craft achieved prominent adsorption capacity and good reusability property. The adsorption mechanism was evaluated via Fourier transformed infrared spectroscopy (FT-IR) and X-ray photoelectron spectroscopy (XPS). The outcomes revealed that the splendid adsorption capability mainly depended on the electrostatic interactions, hydrogen bonding and π-π interactions. This work sheds light on one facile practical strategy to exploit advanced materials in water environmental remediation.
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Affiliation(s)
- Huijuan Jia
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Haihua Xu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Mingxing Shi
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Keren Lu
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Yu Tao
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Mingzhu Xia
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Fengyun Wang
- School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
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Lin S, Liang B, Zhao Z, Li Z, Deng K, He H, Liang SX. Fabrication of a magnetic metal-organic framework/covalent organic framework composite for simultaneous magnetic solid-phase extraction of seventeen trace quinolones residues in meats. J Chromatogr A 2023; 1709:464403. [PMID: 37757609 DOI: 10.1016/j.chroma.2023.464403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/28/2023] [Accepted: 09/19/2023] [Indexed: 09/29/2023]
Abstract
Effective capture of quinolones (QNs) in animal-derived food is a vital procedure for food safety monitoring. However, the lack of adsorption specificity and difficult to recycle in complex substrate conditions have been major problems for most of the adsorbents. In this work, a magnetic Fe3O4/MOF/COF composite (named Fe3O4@NH2-MIL-125@TpPa-SO3H) was successfully synthesized with good magnetic responsiveness and conspicuous affinity towards QNs. The Fe3O4/MOF/COF composite was used as a magnetic solid-phase extraction (MSPE) adsorbent for pretreatment and determination of QNs in meat samples. Under optimal MSPE conditions in combination with high performance liquid chromatography-quadrupole orbitrap high resolution mass spectrometer (HPLC-Q-Orbitrap HRMS), the proposed method had good linearity (R2 ≥ 0.9978) from 0.01 to 100ng g-1, low limits of detection (0.0016 to 0.0940ng g-1), good precision with relative standard deviations lower than 5.8%. This method was effectively applied to the detection of 17 QNs in the spiked pork, chicken and beef samples with satisfactory recoveries from 83.9 to 106.2%. The separation selectivity mainly due to the π-π interaction, hydrogen bonding, and electrostatic attraction between QNs and the sulfonic acid and amino functional groups of the composite. After verification, the stability and reusability of the composite meet the requirements of complex matrix sample pretreatment. The developed MSPE method based on the magnetic Fe3O4/MOF/COF composite provided an ideal sample pretreatment alternative for determining trace QNs in complex matrixes with selectivity, simplicity, rapidity, and efficiency.
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Affiliation(s)
- Shumin Lin
- Key Laboratory of Analytical Science and Technology of Hebei Province, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Hebei University, Baoding 071002, PR China; Analysis and Testing Center, Inner Mongolia University of Science and Technology, Baotou 014010, China
| | - Bolong Liang
- School of Eco-Environment, Hebei University, Baoding 071002, PR China
| | - Zhe Zhao
- Key Laboratory of Analytical Science and Technology of Hebei Province, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Hebei University, Baoding 071002, PR China
| | - Zhenqiu Li
- College of Life Science, Hebei University, Baoding 071002, PR China; Institute of Life Science and Green Development, Hebei University, Baoding 071002, PR China
| | - Kai Deng
- College of Life Science, Hebei University, Baoding 071002, PR China
| | - Hongbin He
- School of Eco-Environment, Hebei University, Baoding 071002, PR China
| | - Shu-Xuan Liang
- Key Laboratory of Analytical Science and Technology of Hebei Province, State Key Laboratory of New Pharmaceutical Preparations and Excipients, College of Chemistry and Materials Science, Hebei University, Baoding 071002, PR China; Institute of Life Science and Green Development, Hebei University, Baoding 071002, PR China.
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5
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Peng S, Wei Y, Huang Y, Wei L, Chen P. Highly efficient adsorption of antibiotic ciprofloxacin hydrochloride from aqueous solution by diatomite-basic zinc chloride composites. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:98490-98501. [PMID: 37608178 DOI: 10.1007/s11356-023-29217-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 08/03/2023] [Indexed: 08/24/2023]
Abstract
The antibiotic ciprofloxacin (CIP) is used to treat a variety of bacterial infections, yet it poses significant health risks to aquatic environments. While adsorption is a promising technique for CIP removal, current adsorption capacities remain limited. In this study, we introduce a diatomite and basic zinc chloride composite (ZnHC-Dt) prepared using a straightforward deposition method, with the ability to achieve highly efficient ciprofloxacin removal. ZnHC-Dt is characterized using field emission scanning electron microscopy (SEM), X-ray diffraction analysis (XRD), Fourier transform infrared spectroscopy (FTIR), and the Brunauer-Emmett-Teller method (BET). We also assess the zeta potential. The optimized ZnHC-Dt adsorbent, achieved at a mass ratio of 0.45 with ZnHC/(ZnHC+Dt), is adopted with a CIP adsorption capacity of 831.96 mg/g at 25 °C, broad pH adaptability (within 3.0-10.0), rapid adsorption rate (reaching equilibrium in 4 h), and stable performance under Na+ ionic strength. The CIP adsorption process follows pseudo-second-order kinetics and aligns well with the Langmuir adsorption model. The high adsorption capacity of ZnHC-Dt can be attributed to electrostatic attraction, hydrogen bonding, surface complexation, and available adsorption sites. During the desorption process, the CIP removal rate retains 65.33% effectiveness after five cycles. The results suggest that ZnHC-Dt holds significant potential for CIP removal in aqueous solutions.
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Affiliation(s)
- Shuwei Peng
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Yanfu Wei
- National Observation and Research Station of Coastal Ecological Environments in Macao, Macao Environmental Research Institute, Macau University of Science and Technology, Macao, Taipa, 999078, China
| | - Yiming Huang
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China
| | - Longmeng Wei
- Analysis and Test Center, Guangdong University of Technology, Guangzhou, 510006, China
| | - Pengcheng Chen
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, China.
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Liu G, Lin Y, Li S, Shi C, Zhang D, Chen L. Degradation of ciprofloxacin by persulfate activated by Fe(III)-doped BiOCl composite photocatalyst. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:87830-87850. [PMID: 37434054 DOI: 10.1007/s11356-023-28490-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Accepted: 06/24/2023] [Indexed: 07/13/2023]
Abstract
Fe-BOC-X photocatalyst was successfully prepared by solvothermal method. The photocatalytic activity of Fe-BOC-X was determined by ciprofloxacin (CIP), a typical fluoroquinolone antibiotic. Under sunlight irradiation, all Fe-BOC-X showed better CIP removal performance than original BiOCl. In comparison, the photocatalyst with iron content of 50 wt% (Fe-BOC-3) has excellent structural stability and the best adsorption photodegradation efficiency. The removal rate of CIP (10 mg/L) by Fe-BOC-3 (0.6 g/L) reached 81.4% within 90 min. At the same time, the effects of photocatalyst dosage, pH, persulfate, persulfate concentration, and combinations of different systems (PS, Fe-BOC-3, Vis/PS, Vis/Fe-BOC-3, Fe-BOC-3/PS, and Vis/Fe-BOC-3/PS) on the reaction were systematically discussed. In reactive species trapping experiments, electron spin resonance (ESR) signals revealed that the photogenerated holes (h+), hydroxyl radical (•OH), sulfate radical (•SO4-), and superoxide radical (•O2-) played an important role in CIP degradation; hydroxyl radicals (•OH) and sulfate radicals (•SO4-) play a major role. Various characterization methods have demonstrated that Fe-BOC-X has larger specific surface area and pore volume than original BiOCl. UV-vis DRS indicate that Fe-BOC-X has wider visible light absorption and faster photocarrier transfer and provides abundant surface oxygen absorption sites for effective molecular oxygen activation. Accordingly, a large number of active species were produced and participated in the photocatalytic process, thus effectively promoting the degradation of ciprofloxacin. Based on HPLC-MS analysis, two possible decomposition pathways of CIP were finally proposed. The main degradation pathways of CIP are mainly due to the high electron density of piperazine ring in CIP molecule, which is mainly attacked by various free radicals. The main reactions include piperazine ring opening, decarbonylation, decarboxylation, and fluorine substitution. This study can better open up a new way for the design of visible light driven photocatalyst and provide more ideas for the removal of CIP in water environment.
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Affiliation(s)
- Gen Liu
- School of Environment, Northeast Normal University, No. 2555 Jingyue Street, Changchun, 130117, Jilin, China
| | - Yingzi Lin
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun, 130118, China.
- School of Municipal & Environmental Engineering, Jilin Jianzhu University, Changchun, 130118, China.
| | - Siwen Li
- School of Environment, Northeast Normal University, No. 2555 Jingyue Street, Changchun, 130117, Jilin, China
| | - Chunyan Shi
- The University of Kitakyushu, 1-1 Hibikino, Wakamatsuku, Kitakyushu, Fukuoka, Japan
| | - Dongyan Zhang
- School of Municipal & Environmental Engineering, Jilin Jianzhu University, Changchun, 130118, China
| | - Lei Chen
- School of Municipal & Environmental Engineering, Jilin Jianzhu University, Changchun, 130118, China
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Yang J, Tian H, Guo J, He J. 3D porous carbon-embedded nZVI@Fe 2O 3 nanoarchitectures enable prominent performance and recyclability in antibiotic removal. CHEMOSPHERE 2023; 331:138716. [PMID: 37076086 DOI: 10.1016/j.chemosphere.2023.138716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 04/08/2023] [Accepted: 04/16/2023] [Indexed: 05/03/2023]
Abstract
Overcoming the instability and poor recyclability during the practical applications of contaminant scavengers is a challenging topic. Herein, a three-dimensional (3D) interconnected carbon aerogel (nZVI@Fe2O3/PC) embedding a core-shell nanostructure of nZVI@Fe2O3 was elaborately designed and fabricated via an in-situ self-assembly process. The porous carbon with 3D network architecture exhibits strong adsorption towards various antibiotic contaminants in water, where the stably embedded nZVI@Fe2O3 nanoparticles not only serve as magnetic seeds for recycling, but also avoid the shedding and oxidation of nZVI in the adsorption process. As a result, nZVI@Fe2O3/PC efficiently captures sulfamethoxazole (SMX), sulfamethazine (SMZ), ciprofloxacin (CIP), tetracycline (TC) and other antibiotics in water. In particular, an excellent adsorptive removal capacity of 329 mg g-1 and a rapid capture kinetics (99% of removal efficiency in 10 min) under a wide pH adaptability (2-8) are achieved using nZVI@Fe2O3/PC as an SMX scavenger. nZVI@Fe2O3/PC displays exceptional long-term stability given that it shows excellent magnetic property after it is stored in water solution for 60 d, making it an ideal stable scavenger for contaminants in an etching-resistant and efficient manner. This work would also provide a general strategy to develop other stable iron-based functional architectures for efficient catalytic degradation, energy conversion and biomedicine.
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Affiliation(s)
- Jianzheng Yang
- Functional Nanomaterials Laboratory, Center for Micro/Nanomaterials and Technology, And Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China; University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Hua Tian
- Functional Nanomaterials Laboratory, Center for Micro/Nanomaterials and Technology, And Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.
| | - Jianrong Guo
- Functional Nanomaterials Laboratory, Center for Micro/Nanomaterials and Technology, And Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Junhui He
- Functional Nanomaterials Laboratory, Center for Micro/Nanomaterials and Technology, And Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, China.
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Qin J, Fang Y, Shi J, Tokoro C, Córdova-Udaeta M, Oyama K, Zhang J. Waste-Based Ceramsite for the Efficient Removal of Ciprofloxacin in Aqueous Solutions. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2023; 20:5042. [PMID: 36981951 PMCID: PMC10049662 DOI: 10.3390/ijerph20065042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/10/2023] [Accepted: 03/12/2023] [Indexed: 06/18/2023]
Abstract
Ciprofloxacin (CIP), a compound with bioaccumulation toxicity and antibiotic resistance, is frequently detected in water at alarming concentrations, which is becoming an increasing concern. In this study, a low-cost ceramsite was developed from industrial solid wastes through sintering to remove CIP from wastewater. The effects of adsorbent dosage, initial pH, contact time, initial CIP concentration, and temperature were explored. More than 99% of CIP (20-60 mg/L) was removed at around pH 2-4 by the ceramsite. The kinetic data fitted well with the pseudo-second-order model, revealing that chemisorption was the main rate-determining step. The isotherm data was better described by the Freundlich model, suggesting that CIP was removed by the formation of multiple layers on the heterogeneous surface. Moreover, the removal efficiency was practically higher than 95% during five regeneration cycles, when different regeneration methods were used, including calcination, HCl, and NaOH washing, indicating that the ceramsite exhibited outstanding reusability in removing CIP. The primary mechanism of CIP removal by the ceramsite was found to be the synergism of adsorption and flocculation, both of which depended on the release of Ca2+ from the ceramsite. In addition, strong Ca-CIP complexes could be formed through surface complexation and metal cation bridging between Ca2+ and different functional groups in CIP.
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Affiliation(s)
- Juan Qin
- Nantong Key Laboratory of Intelligent and New Energy Materials, School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China
| | - Yeting Fang
- Nantong Key Laboratory of Intelligent and New Energy Materials, School of Chemistry and Chemical Engineering, Nantong University, Nantong 226019, China
| | - Jian Shi
- Analysis and Testing Center, Nantong University, Nantong 226019, China
| | - Chiharu Tokoro
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
- Faculty of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
| | - Mauricio Córdova-Udaeta
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
| | - Keishi Oyama
- Faculty of Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, Japan
| | - Juncheng Zhang
- Department of Science and Engineering, Aoyama Gakuin University, Sagamihara 252-5258, Japan
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The improvement of levofloxacin and tetracycline removal from simulated water by thermosensitive flocculant: Mechanisms and simulation. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.123027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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10
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Superhydrophilic microfibrous adsorbent with broad-spectrum binding affinity to effectively remove diverse pollutants from aqueous solutions. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.123051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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11
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Zhang T, Hu C, Li Q, Chen C, Hu J, Xiao X, Li M, Zou X, Huang L. Hydrogen Peroxide Activated by Biochar-Supported Sulfidated Nano Zerovalent Iron for Removal of Sulfamethazine: Response Surface Method Approach. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:9923. [PMID: 36011563 PMCID: PMC9408743 DOI: 10.3390/ijerph19169923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 08/08/2022] [Accepted: 08/10/2022] [Indexed: 06/15/2023]
Abstract
Biochar (BC)-supported sulfide-modified nanoscale zerovalent iron (S-nZVI/BC) was prepared using the liquid-phase reduction method for the application of the removal of sulfamethazine (SMZ) from water. The reaction conditions were optimized by the Box−Behnken response surface method (RSM). A model was constructed based on the influence factors of the removal rate, i.e., the carbon-to-iron ratio (C/Fe), iron-sulfur ratio (Fe/S), pH, and hydrogen peroxide (H2O2) concentration, and the influence of each factor on the removal efficiency was investigated. The optimal removal process parameters were determined based on theoretical and experimental results. The results showed that the removal efficiency was significantly affected by the C/Fe ratio and pH (p < 0.0001) but relatively weakly affected by the Fe/S ratio (p = 0.0973) and H2O2 concentration (p = 0.022). The optimal removal process parameters were as follows: 0.1 mol/L H2O2, a pH of 3.18, a C/Fe ratio of 0.411, and a Fe/S ratio of 59.75. The removal rate of SMZ by S-nZVI/BC was 100% under these conditions. Therefore, it is feasible to use the Box−Behnken RSM to optimize the removal of emerging pollutants in water bodies by S-nZVI/BC.
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Affiliation(s)
- Tiao Zhang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
| | - Cui Hu
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
| | - Qian Li
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
| | - Chuxin Chen
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
| | - Jianhui Hu
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
| | - Xiaoyu Xiao
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
- Zhongke-Ji’an Institute for Eco-Environmental Sciences, Ji’an 343016, China
| | - Mi Li
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
| | - Xiaoming Zou
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
| | - Liangliang Huang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
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12
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Zhao R, Ding W, Sun M, Yang L, Liu B, Zheng H, Li H. Insight into the co-removal of Cu(II) and ciprofloxacin by calcite-biochar composite: Enhancement and competition. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120487] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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Wang S, Liu Y, Yang A, Zhu Q, Sun H, Sun P, Yao B, Zang Y, Du X, Dong L. Xanthate-Modified Magnetic Fe3O4@SiO2-Based Polyvinyl Alcohol/Chitosan Composite Material for Efficient Removal of Heavy Metal Ions from Water. Polymers (Basel) 2022; 14:polym14061107. [PMID: 35335438 PMCID: PMC8951190 DOI: 10.3390/polym14061107] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/02/2022] [Accepted: 03/03/2022] [Indexed: 02/04/2023] Open
Abstract
Chitosan has several shortcomings that limit its practical application for the adsorption of heavy metals: mechanical instability, a challenging separation and recovery process, and low equilibrium capacity. This study describes the synthesis of a magnetic xanthate-modified polyvinyl alcohol and chitosan composite (XMPC) for the efficient removal and recovery of heavy metal ions from aqueous solutions. The XMPC was synthesized from polyvinyl alcohol, chitosan, and magnetic Fe3O4@SiO2 nanoparticles. The XMPC was characterized, and its adsorption performance in removing heavy metal ions was studied under different experimental conditions. The adsorption kinetics fit a pseudo-second-order kinetic model well. This showed that the adsorption of heavy metal ions by the XMPC is a chemical adsorption and is affected by intra-particle diffusion. The equilibrium adsorption isotherm was well described by the Langmuir and Freundlich equations. The XMPC reached adsorption equilibrium at 303 K after approximately 120 min, and the removal rate of Cd(II) ions was 307 mg/g. The composite material can be reused many times and is easily magnetically separated from the solution. This makes the XMPC a promising candidate for widespread application in sewage treatment systems for the removal of heavy metals.
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Affiliation(s)
- Shifan Wang
- School of Material and Chemistry Engineering, Xuzhou University of Technology, Xuzhou 221018, China; (S.W.); (Y.L.); (A.Y.); (Q.Z.); (H.S.); (B.Y.); (Y.Z.); (X.D.)
| | - Yuan Liu
- School of Material and Chemistry Engineering, Xuzhou University of Technology, Xuzhou 221018, China; (S.W.); (Y.L.); (A.Y.); (Q.Z.); (H.S.); (B.Y.); (Y.Z.); (X.D.)
| | - Aiwen Yang
- School of Material and Chemistry Engineering, Xuzhou University of Technology, Xuzhou 221018, China; (S.W.); (Y.L.); (A.Y.); (Q.Z.); (H.S.); (B.Y.); (Y.Z.); (X.D.)
| | - Qi Zhu
- School of Material and Chemistry Engineering, Xuzhou University of Technology, Xuzhou 221018, China; (S.W.); (Y.L.); (A.Y.); (Q.Z.); (H.S.); (B.Y.); (Y.Z.); (X.D.)
| | - Hua Sun
- School of Material and Chemistry Engineering, Xuzhou University of Technology, Xuzhou 221018, China; (S.W.); (Y.L.); (A.Y.); (Q.Z.); (H.S.); (B.Y.); (Y.Z.); (X.D.)
| | - Po Sun
- Analysis and Testing Central Facility, Anhui University of Technology, Maanshan 243032, China;
| | - Bing Yao
- School of Material and Chemistry Engineering, Xuzhou University of Technology, Xuzhou 221018, China; (S.W.); (Y.L.); (A.Y.); (Q.Z.); (H.S.); (B.Y.); (Y.Z.); (X.D.)
| | - Yunxiao Zang
- School of Material and Chemistry Engineering, Xuzhou University of Technology, Xuzhou 221018, China; (S.W.); (Y.L.); (A.Y.); (Q.Z.); (H.S.); (B.Y.); (Y.Z.); (X.D.)
| | - Xihua Du
- School of Material and Chemistry Engineering, Xuzhou University of Technology, Xuzhou 221018, China; (S.W.); (Y.L.); (A.Y.); (Q.Z.); (H.S.); (B.Y.); (Y.Z.); (X.D.)
| | - Liming Dong
- School of Material and Chemistry Engineering, Xuzhou University of Technology, Xuzhou 221018, China; (S.W.); (Y.L.); (A.Y.); (Q.Z.); (H.S.); (B.Y.); (Y.Z.); (X.D.)
- Correspondence:
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