Enhanced photodegradation of oxytetracycline antibiotic in wastewater by implementing ZnO-loaded carbon fiber.

IF 1.4 4区农林科学 Q4 ENVIRONMENTAL SCIENCES Journal of Environmental Science and Health Part B-pesticides Food Contaminants and Agricultural Wastes Pub Date : 2024-01-01 Epub Date: 2024-02-21 DOI:10.1080/03601234.2024.2317678

Trung Hieu Bui, Dang Manh Le, Duc Anh Dinh, Huong Pham Thi

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Abstract

The antibiotic oxytetracycline (OCA) exhibits high insolubility in the natural environment, posing a significant challenge for its removal. This study synthesized a porous structure and a high-surface-area carbon fiber, incorporating zinc oxide (ZnO/CFB) for the effective removal of OCA in wastewater. The material characterization revealed exceptional optical and photochemical properties of ZnO/CFB, featuring a reduced band gap energy of 2.7 eV. ZnO/CFB exhibited robust performance in the photodegradation of OCA in wastewater, achieving an impressive removal efficiency of 86.7%. Remarkably, the reduction of total organic carbon (TOC) reached an outstanding 97.5%. LC-MS analysis confirmed the complete oxidation of OCA and its intermediates, transforming them into inorganic substances within 60 min. This study introduces an efficient strategy for eliminating antibiotic pollutants from wastewater, highlighting the potential of ZnO/CFB as an effective and stable photocatalyst for environmental remediation.

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利用氧化锌负载碳纤维增强废水中土霉素抗生素的光降解。

抗生素土霉素（OCA）在自然环境中具有很高的不溶性，对其去除构成了巨大挑战。本研究合成了一种多孔结构和高表面积碳纤维，并将氧化锌（ZnO/CFB）融入其中，以有效去除废水中的土霉素。材料表征显示 ZnO/CFB 具有优异的光学和光化学特性，其带隙能降低至 2.7 eV。ZnO/CFB 在光降解废水中的 OCA 方面表现出强劲的性能，达到了令人印象深刻的 86.7% 的去除率。值得注意的是，总有机碳（TOC）的降低率达到了 97.5%。LC-MS 分析证实，OCA 及其中间产物在 60 分钟内被完全氧化，转化为无机物。这项研究介绍了一种消除废水中抗生素污染物的有效策略，凸显了 ZnO/CFB 作为一种有效、稳定的光催化剂在环境修复方面的潜力。

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来源期刊

Journal of Environmental Science and Health Part B-pesticides Food Contaminants and Agricultural Wastes 环境科学-公共卫生、环境卫生与职业卫生

CiteScore

4.00

自引率

5.00%

发文量

审稿时长

1 months

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