{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T18:09:37Z","timestamp":1781114977374,"version":"3.54.1"},"reference-count":73,"publisher":"Public Library of Science (PLoS)","issue":"6","license":[{"start":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T00:00:00Z","timestamp":1781049600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS One"],"abstract":"<jats:p>\n                    Given that pristine water bodies are irreplaceable for maintaining ecosystem homeostasis, the remediation of antibiotic-contaminated aquatic systems has emerged as a pivotal challenge. This research used flotation residual carbon (FRC) obtained from coal gasification coarse slag (CGCS) as a precursor and adopted the H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    liquid-phase oxidation method to prepare a low-cost and efficient adsorbent by optimizing process parameters such as modification temperature, time, and oxidant concentration. The H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    treated flotation residual carbon was denoted as HFRC. Batch adsorption assays revealed that, under their respective optimal conditions, equilibrium uptakes of Trimethoprim (TMP) by FRC and HFRC reached 54.02\u2009mg\/g and 80.01\u2009mg\/g, with equilibrium times of 270\u2009min and 360\u2009min. Comprehensive characterization, molecular simulations, and model fitting collectively elucidated the adsorption mechanism and the kinetic intensification of TMP. H\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>2<\/jats:sub>\n                    modification markedly increased the abundance of oxygen-containing functionalities. On this basis, the van der Waals and electrostatic interactions between HFRC and TMP were significantly enhanced, accompanied by a pronounced increase in hydrogen-bond density, which collectively accelerated the TMP adsorption kinetics. HFRC also exhibited exceptional dynamic adsorption performance in the fixed-bed column. Overall, HFRC integrates rapid removal performance with resource-cycling benefits and superior environmental adaptability, offering an economically and ecologically synergistic paradigm for the valorization of CGCS and the remediation of antibiotic-impaired waters.\n                  <\/jats:p>","DOI":"10.1371\/journal.pone.0351221","type":"journal-article","created":{"date-parts":[[2026,6,10]],"date-time":"2026-06-10T17:37:48Z","timestamp":1781113068000},"page":"e0351221","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":0,"title":["Surface modification of carbon-based adsorbents derived from coal gasification slag for the efficient adsorption of trimethoprim"],"prefix":"10.1371","volume":"21","author":[{"ORCID":"https:\/\/orcid.org\/0009-0000-1099-7009","authenticated-orcid":true,"given":"Zhiqiang","family":"Yang","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jia","family":"Liu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qingchao","family":"Li","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2026,6,10]]},"reference":[{"key":"pone.0351221.ref001","doi-asserted-by":"crossref","first-page":"129722","DOI":"10.1016\/j.jclepro.2021.129722","article-title":"A novel antibacterial biocomposite based on magnetic peanut husk for the removal of trimethoprim in solution: adsorption and mechanism study","volume":"329","author":"AA Aryee","year":"2021","journal-title":"Journal of Cleaner Production"},{"issue":"7","key":"pone.0351221.ref002","doi-asserted-by":"crossref","first-page":"8442","DOI":"10.1007\/s11356-020-10972-0","article-title":"Antibiotics removal from aquatic environments: adsorption of enrofloxacin, trimethoprim, sulfadiazine, and amoxicillin on vegetal powdered activated carbon","volume":"28","author":"J Berges","year":"2021","journal-title":"Environ Sci Pollut Res Int"},{"key":"pone.0351221.ref003","doi-asserted-by":"crossref","first-page":"114502","DOI":"10.1016\/j.jenvman.2022.114502","article-title":"Insight into the role of different extracellular polymeric substances components on trimethoprim adsorption by activated sludge","volume":"306","author":"Y Ma","year":"2022","journal-title":"J Environ Manage"},{"issue":"15","key":"pone.0351221.ref004","doi-asserted-by":"crossref","first-page":"2209","DOI":"10.3390\/w16152209","article-title":"Trimethoprim removal from aqueous solutions via volcanic ash-soil adsorption: process modeling and optimization","volume":"16","author":"R Lavecchia","year":"2024","journal-title":"Water"},{"key":"pone.0351221.ref005","doi-asserted-by":"crossref","first-page":"128508","DOI":"10.1016\/j.fuel.2023.128508","article-title":"Adsorption of trimethoprim and sulfamethoxazole using residual carbon from coal gasification slag: behavior, mechanism and cost-benefit analysis","volume":"348","author":"Z Xue","year":"2023","journal-title":"Fuel"},{"key":"pone.0351221.ref006","doi-asserted-by":"crossref","first-page":"127359","DOI":"10.1016\/j.jclepro.2021.127359","article-title":"A review of treatment techniques applied for selective removal of emerging pollutant-trimethoprim from aqueous systems","volume":"308","author":"FM Mpatani","year":"2021","journal-title":"Journal of Cleaner Production"},{"key":"pone.0351221.ref007","doi-asserted-by":"crossref","first-page":"2","DOI":"10.1016\/j.cis.2009.07.009","article-title":"Theoretical models of sorption kinetics including a surface reaction mechanism: a review","volume":"152","author":"W Plazinski","year":"2009","journal-title":"Adv Colloid Interface Sci"},{"key":"pone.0351221.ref008","doi-asserted-by":"crossref","first-page":"152666","DOI":"10.1016\/j.cej.2024.152666","article-title":"Modeling adsorption rate of trimethoprim, tetracycline and chlorphenamine from aqueous solutions onto natural bentonite clay. 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