铬酸镧接枝Ce-BTC MOF增强可见光下对乙酰氨基酚的声光降解

IF 6.9 2区环境科学与生态学 Q1 ENGINEERING, CHEMICAL

Process Safety and Environmental Protection Pub Date : 2025-05-12 DOI:10.1016/j.psep.2025.107275

Mahmoud El-Shahat , Reda M. Abdelhameed

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引用次数: 0

摘要

到目前为止，还没有研究考察了在Ce-BTC复合材料中掺杂LaCrO3作为声光催化剂来提高对乙酰氨基酚降解过程的效率。采用一锅法在Ce-BTC存在下制备LaCrO3，制备LaCrO3@Ce-BTC复合材料。XRD、SEM和TEM分析均证实了LaCrO3和Ce-BTC的存在。此外，TEM通过在Ce-BTC的棒状结构上显示点，为LaCrO3的存在提供了极好的证据。LaCrO3@Ce-BTC研究了可回收的声光催化剂降解废水中对乙酰氨基酚作为制药废弃物。在这里，声光催化降解对乙酰氨基酚，在LaCrO3@Ce-BTC作用2小时后去除率达到99.9 %。与纯Ce-BTC相比，复合材料中LaCrO3与Ce-BTC的连接和相互作用增强了对乙酰氨基酚的去除活性。研究了催化动力学，并对光催化机理进行了探讨。

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Ce-BTC MOF grafted by lanthanium chromite for enhancement the sono-photodegradation of acetaminophen under visible light irradiation

Until present, no studies have examined the use of LaCrO₃ doped in Ce-BTC composites as a sono-photocatalyst to increase the efficiency of acetaminophen degradation process. Using one-pot technique, LaCrO₃ was prepared in the presence of Ce-BTC producing LaCrO₃@Ce-BTC composites. XRD, SEM, and TEM analyses supported the existence of LaCrO₃ and Ce-BTC. In addition, the TEM provided excellent evidence of LaCrO₃'s presence in the composite by displaying dots on Ce-BTC's rod-shaped structure. LaCrO₃@Ce-BTC showed recoverable sono-photocatalyst for the degradation of acetaminophen as pharmaceutical wastes from wastewater. Here, the sono-photocatalytic degradation of acetaminophen showed up to 99.9 % removal percentage after two hours with LaCrO₃@Ce-BTC. The enhancement in acetaminophen removal activity due to the connection and interaction between LaCrO₃ and Ce-BTC in the composites compared with pure Ce-BTC. The catalytic kinetics was studied, and the photocatalytic mechanism was discussed.

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来源期刊

Process Safety and Environmental Protection 环境科学-工程：化工

CiteScore

11.40

自引率

15.40%

发文量

929

审稿时长

8.0 months

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