{"title":"Effective approach for removing antibiotic residues from wastewater using Bi<sub>2</sub>O<sub>3</sub>@C<sub>3</sub>N<sub>4</sub> photocatalyst.","authors":"Minh Viet Nguyen, Phong Nguyen Thanh, Minh Phuong Nguyen, Huong Pham Thi, Nhat Minh Dang","doi":"10.1080/03601234.2025.2459996","DOIUrl":null,"url":null,"abstract":"<p><p>This study explores the photocatalytic decomposition of antibiotic residues, including tetracycline (TCR) and amoxicillin (AMR), from wastewater using Bi<sub>2</sub>O<sub>3</sub>@C<sub>3</sub>N<sub>4</sub> photocatalyst. The characterization findings revealed that Bi<sub>2</sub>O<sub>3</sub>@C<sub>3</sub>N<sub>4</sub> exhibited significantly improved light absorption properties and enhanced charge separation efficiency. According to the experimental results, Bi<sub>2</sub>O<sub>3</sub>@C<sub>3</sub>N<sub>4</sub> exhibited high degradation efficiencies of 77.6% for TCR and 83.2% for AMR in wastewater samples. It also displayed excellent reusability, with the removal efficiencies of TCR and AMR remaining at 71.3 and 78.8%, respectively, after five cycles. Additionally, the photodegradation of TCR and AMR using Bi<sub>2</sub>O<sub>3</sub>@C<sub>3</sub>N<sub>4</sub> is suggested to follow the Z-scheme pathway. The results of this study could be utilized for removing antibiotic pollutants from wastewater, thereby reducing their impact on human health and the environment.</p>","PeriodicalId":15720,"journal":{"name":"Journal of Environmental Science and Health Part B-pesticides Food Contaminants and Agricultural Wastes","volume":" ","pages":"121-128"},"PeriodicalIF":1.4000,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Environmental Science and Health Part B-pesticides Food Contaminants and Agricultural Wastes","FirstCategoryId":"97","ListUrlMain":"https://doi.org/10.1080/03601234.2025.2459996","RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/2/6 0:00:00","PubModel":"Epub","JCR":"Q4","JCRName":"ENVIRONMENTAL SCIENCES","Score":null,"Total":0}
引用次数: 0
Abstract
This study explores the photocatalytic decomposition of antibiotic residues, including tetracycline (TCR) and amoxicillin (AMR), from wastewater using Bi2O3@C3N4 photocatalyst. The characterization findings revealed that Bi2O3@C3N4 exhibited significantly improved light absorption properties and enhanced charge separation efficiency. According to the experimental results, Bi2O3@C3N4 exhibited high degradation efficiencies of 77.6% for TCR and 83.2% for AMR in wastewater samples. It also displayed excellent reusability, with the removal efficiencies of TCR and AMR remaining at 71.3 and 78.8%, respectively, after five cycles. Additionally, the photodegradation of TCR and AMR using Bi2O3@C3N4 is suggested to follow the Z-scheme pathway. The results of this study could be utilized for removing antibiotic pollutants from wastewater, thereby reducing their impact on human health and the environment.
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