Adsorption characteristics of ciprofloxacin hydrochloride on polystyrene microplastics in freshwater
In order to reveal the adsorption mechanism of microplastics (MPs) on antibiotics, polystyrene (PS) was chosen as a typical microplastic, Fenton and high-temperature aging methods were used to obtain aged MPs particles. The adsorption behavior and mechanism of ciprofloxacin hydrochloride (CIP) on PS...
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| Veröffentlicht in: | Environmental science and pollution research international 2024-04, Vol.31 (16), p.24139-24152 |
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| creator | Gao, Xi Chang, Silu Liu, Fengxu Wei, Jiayu Yan, Bo |
| description | In order to reveal the adsorption mechanism of microplastics (MPs) on antibiotics, polystyrene (PS) was chosen as a typical microplastic, Fenton and high-temperature aging methods were used to obtain aged MPs particles. The adsorption behavior and mechanism of ciprofloxacin hydrochloride (CIP) on PS before and after aging were studied by batch adsorption experiments, and other influencing environmental conditions were evaluated concurrently. The results showed that the adsorption of CIP on PS was an exothermic reaction, the pseudo-second-order model and Freundlich isothermal models could fit the adsorption of CIP on PS. Aging treatment enhanced the adsorption capacity of PS to CIP, and Fenton aging for 7 days had the best effect. The highest adsorption was observed when the solution pH was 6. The adsorption capacity of microplastics gradually decreased with increasing ionic strength and the concentration of fulvic acid, while the aging microplastics changed little with the concentration of fulvic acid. The presence of both Cu (II) and CIP inhibits the adsorption of each other on microplastics. Based on the above findings, the adsorption of CIP on PS is dominated by physical adsorption, and electrostatic interactions and hydrogen bonding interactions are also important mechanisms for the adsorption of CIP on microplastics. |
| doi_str_mv | 10.1007/s11356-024-32750-y |
| format | Article |
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The adsorption behavior and mechanism of ciprofloxacin hydrochloride (CIP) on PS before and after aging were studied by batch adsorption experiments, and other influencing environmental conditions were evaluated concurrently. The results showed that the adsorption of CIP on PS was an exothermic reaction, the pseudo-second-order model and Freundlich isothermal models could fit the adsorption of CIP on PS. Aging treatment enhanced the adsorption capacity of PS to CIP, and Fenton aging for 7 days had the best effect. The highest adsorption was observed when the solution pH was 6. The adsorption capacity of microplastics gradually decreased with increasing ionic strength and the concentration of fulvic acid, while the aging microplastics changed little with the concentration of fulvic acid. The presence of both Cu (II) and CIP inhibits the adsorption of each other on microplastics. Based on the above findings, the adsorption of CIP on PS is dominated by physical adsorption, and electrostatic interactions and hydrogen bonding interactions are also important mechanisms for the adsorption of CIP on microplastics.</description><identifier>ISSN: 1614-7499</identifier><identifier>ISSN: 0944-1344</identifier><identifier>EISSN: 1614-7499</identifier><identifier>DOI: 10.1007/s11356-024-32750-y</identifier><identifier>PMID: 38436855</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Adsorption ; Aging ; Aging methods ; Antibiotics ; Aquatic Pollution ; Atmospheric Protection/Air Quality Control/Air Pollution ; Ciprofloxacin ; Earth and Environmental Science ; Ecotoxicology ; Electrostatic properties ; Environment ; Environmental Chemistry ; Environmental conditions ; Environmental Health ; Exothermic reactions ; freshwater ; Fulvic acids ; heat production ; High temperature ; hydrogen ; Hydrogen bonding ; Ionic strength ; Microplastics ; Plastic pollution ; Polystyrene ; Polystyrene resins ; polystyrenes ; Research Article ; Waste Water Technology ; Water Management ; Water Pollution Control</subject><ispartof>Environmental science and pollution research international, 2024-04, Vol.31 (16), p.24139-24152</ispartof><rights>The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. 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Based on the above findings, the adsorption of CIP on PS is dominated by physical adsorption, and electrostatic interactions and hydrogen bonding interactions are also important mechanisms for the adsorption of CIP on microplastics.</description><subject>Adsorption</subject><subject>Aging</subject><subject>Aging methods</subject><subject>Antibiotics</subject><subject>Aquatic Pollution</subject><subject>Atmospheric Protection/Air Quality Control/Air Pollution</subject><subject>Ciprofloxacin</subject><subject>Earth and Environmental Science</subject><subject>Ecotoxicology</subject><subject>Electrostatic properties</subject><subject>Environment</subject><subject>Environmental Chemistry</subject><subject>Environmental conditions</subject><subject>Environmental Health</subject><subject>Exothermic reactions</subject><subject>freshwater</subject><subject>Fulvic acids</subject><subject>heat production</subject><subject>High temperature</subject><subject>hydrogen</subject><subject>Hydrogen bonding</subject><subject>Ionic strength</subject><subject>Microplastics</subject><subject>Plastic pollution</subject><subject>Polystyrene</subject><subject>Polystyrene resins</subject><subject>polystyrenes</subject><subject>Research Article</subject><subject>Waste Water Technology</subject><subject>Water Management</subject><subject>Water Pollution Control</subject><issn>1614-7499</issn><issn>0944-1344</issn><issn>1614-7499</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2024</creationdate><recordtype>article</recordtype><recordid>eNqFkUtv3CAURlGVqnm0fyCLyFI23bi5cLENyyhKmkiRuknXiOHRIfIYBzxq_e_L1Hmpi2QFEuf7uHAIOabwjQJ0Z5lSbNoaGK-RdQ3U8wdyQFvK645Lufdqv08Oc74HYCBZ94nso-DYiqY5IPbc5pjGKcShMmudtJlcCnkKJlfRVyaMKfo-_tEmDNV6timadR9TsK4qiTH2c57m5AZXbYJJcez1ki20Ty6vf-vS95l89LrP7svjekR-Xl3eXVzXtz--31yc39YGGznVAkRntUZEaYXtLAjK9ArB4GplKPNoQHIjwQiwwDxvuaboJePMGPQC8Yh8XXrL0A9blye1Cdm4vteDi9uskDbYCCmleBdlEjtEAe0OPf0PvY_bNJSHKIQyKxfY8kKxhSq_kHNyXo0pbHSaFQW106UWXaroUv90qbmETh6rt6uNs8-RJz8FwAXI5Wj45dLL3W_U_gWOvaIw</recordid><startdate>20240401</startdate><enddate>20240401</enddate><creator>Gao, Xi</creator><creator>Chang, Silu</creator><creator>Liu, Fengxu</creator><creator>Wei, Jiayu</creator><creator>Yan, Bo</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7SN</scope><scope>7T7</scope><scope>7TV</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>K9.</scope><scope>M7N</scope><scope>P64</scope><scope>7X8</scope><scope>7S9</scope><scope>L.6</scope></search><sort><creationdate>20240401</creationdate><title>Adsorption characteristics of ciprofloxacin hydrochloride on polystyrene microplastics in freshwater</title><author>Gao, Xi ; 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The adsorption behavior and mechanism of ciprofloxacin hydrochloride (CIP) on PS before and after aging were studied by batch adsorption experiments, and other influencing environmental conditions were evaluated concurrently. The results showed that the adsorption of CIP on PS was an exothermic reaction, the pseudo-second-order model and Freundlich isothermal models could fit the adsorption of CIP on PS. Aging treatment enhanced the adsorption capacity of PS to CIP, and Fenton aging for 7 days had the best effect. The highest adsorption was observed when the solution pH was 6. The adsorption capacity of microplastics gradually decreased with increasing ionic strength and the concentration of fulvic acid, while the aging microplastics changed little with the concentration of fulvic acid. The presence of both Cu (II) and CIP inhibits the adsorption of each other on microplastics. 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| subjects | Adsorption Aging Aging methods Antibiotics Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Ciprofloxacin Earth and Environmental Science Ecotoxicology Electrostatic properties Environment Environmental Chemistry Environmental conditions Environmental Health Exothermic reactions freshwater Fulvic acids heat production High temperature hydrogen Hydrogen bonding Ionic strength Microplastics Plastic pollution Polystyrene Polystyrene resins polystyrenes Research Article Waste Water Technology Water Management Water Pollution Control |
| title | Adsorption characteristics of ciprofloxacin hydrochloride on polystyrene microplastics in freshwater |
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