Effective removal of carbofuran pesticide in wastewater using silver-doped TiO₂ photocatalyst.

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 : 2025-01-01 Epub Date: 2025-01-31 DOI:10.1080/03601234.2025.2457277

Nguyen Thi Mai Huong, Nguyen Thi Thuy, Pham Thi Thu Hoai, Do Thi Minh Hanh

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Abstract

This study presents effective methods for utilizing the TiO₂ photocatalyst in environmental remediation, with a particular focus on the removal of the carbofuran pesticide (CBFP) from wastewater. Silver (Ag) was selected as a potential dopant to improve the optical properties as well as the electron-hole pair separation efficiency of TiO₂. Ag-doped TiO₂ (Ag-TiO₂) effectively decomposed 92.8% CBFP under solar light, which was significantly higher than that of TiO₂ (21.3%). Ag-TiO₂ also exhibited good reusability for CBFP degradation, with a reduction in removal efficiency of less than 3% after three cycles. In practical applications, Ag-TiO₂ successfully degraded 89.3% of CBFP in wastewater and 98.7% in surface water. The findings of this work bring an effective method for removing pesticide pollutants using Ag-TiO₂ photocatalyst.

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掺银TiO2光催化剂对废水中呋喃农药的有效去除。

本研究提出了利用TiO2光催化剂进行环境修复的有效方法，特别是对废水中呋喃农药（CBFP）的去除。为了提高TiO2的光学性能和电子-空穴对分离效率，选择银（Ag）作为潜在的掺杂剂。ag掺杂TiO2 （Ag-TiO2）在日光下有效分解CBFP的效率为92.8%，显著高于TiO2（21.3%）。Ag-TiO2在CBFP降解中也表现出良好的可重复使用性，经过3个循环后，去除效率降低不到3%。在实际应用中，Ag-TiO2成功降解了废水中89.3%的CBFP和地表水中98.7%的CBFP。本研究结果为利用Ag-TiO2光催化剂去除农药污染物提供了一种有效的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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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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