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使用Bi₂O₃@C₃N₄光催化剂从废水中去除抗生素残留物的有效方法

Minh Viet Nguyen¹, Phong Nguyen Thanh^2,3, Minh Phuong Nguyen⁴

¹VNU Key Laboratory of Advanced Material for Green Growth, Faculty of Chemistry, VNU University of Science, Hanoi, Vietnam.

Journal of environmental science and health. Part. B, Pesticides, food contaminants, and agricultural wastes

|February 7, 2025

概括

这项研究介绍了Bi2O3@C3N4作为一种新的光催化剂,用于降解废水中的四环素 (TCR) 和氨基素 (AMR) 等抗生素残留物. 该材料显示出高效率和可重复使用性,为净化水提供了有前途的解决方案.

科学领域:

环境科学环境科学
材料科学材料科学材料科学
化学化学化学

背景情况:

废水中的抗生素残留物对人类健康和生态系统构成重大风险.
传统的废水处理方法往往难以有效地去除像抗生素这样的持久有机污染物.

研究的目的:

研究一种新的Bi2O3@C3N4复合光催化剂在废水中降解四环素 (TCR) 和氨基素 (AMR) 的有效性.
描述光催化剂和阐明降解机制.

主要方法:

合成和表征的Bi2O3@C3N4复合光催化剂.
在模拟废水中使用TCR和AMR进行光催化降解实验.
在多个循环中分析降解效率和催化剂可重复使用性.
研究光催化机制,包括电荷分离和反应途径.

主要成果:

Bi2O3@C3N4光催化剂显示了增强的光吸收和电荷分离效率.
实现了高降解效率:77.6%的TCR和83.2%的AMR.
催化剂表现出极好的可重复使用性,在五个循环后分别保持超过71%和78%的TCR和AMR去除效率.
建议光降解过程遵循Z模式的路径.

结论:

Bi2O3@C3N4是一种高效且可重复使用的光催化剂,用于从废水中去除抗生素残留物.
Z模式机制有助于增强光催化活性.
这项技术有可能减轻由制药污染物引起的环境污染.

关键词:

生物二氧化碳 (Bi2O3) 是一种石墨碳化物的碳化物.抗生素残留物抗生素残留物光催化剂是一种光催化剂.废水是废水,废水就是废水.

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Bioremediation

Bioremediation

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