Advances of manganese-oxides-based catalysts for indoor formaldehyde removal

IF 10.7 1区工程技术 Q1 CHEMISTRY, PHYSICAL

Green Energy & Environment Pub Date : 2023-06-01 DOI:10.1016/j.gee.2022.01.008

Jiayu Zheng , Wenkang Zhao , Liyun Song , Hao Wang , Hui Yan , Ge Chen , Changbao Han , Jiujun Zhang

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引用次数: 15

Abstract

Formaldehyde (HCHO) has been identified as one of the most common indoor pollutions nowadays. Manganese oxides (MnO_x) are considered to be a promising catalytic material used in indoor HCHO oxidation removal due to their high catalytic activity, low-cost, and environmentally friendly. In this paper, the progress in developing MnO_x-based catalysts for HCHO removal is comprehensively reviewed for exploring the mechanisms of catalytic oxidation and catalytic deactivation. The catalytic oxidation mechanisms based on three typical theory models (Mars-van-Krevelen, Eley-Rideal and Langmuir–Hinshelwood) are discussed and summarized. Furthermore, the research status of catalytic deactivation, catalysts’ regeneration and integrated application of MnO_x-based catalysts for indoor HCHO removal are detailed in the review. Finally, the technical challenges in developing MnO_x-based catalysts for indoor HCHO removal are analyzed and the possible research direction is also proposed for overcoming the challenges toward practical application of such catalysts.

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锰氧化物基室内除醛催化剂的研究进展

甲醛（HCHO）已被确定为当今最常见的室内污染物之一。氧化锰（MnOx）具有催化活性高、成本低、环境友好等优点，被认为是一种很有前途的室内六氯环己烷氧化去除催化材料。本文综述了近年来MnOx基六氯环己烷去除催化剂的研究进展，以探讨其催化氧化和失活机理。对基于Mars-van Krevilen、Eley-Rideal和Langmuir–Hinshelwood三个典型理论模型的催化氧化机理进行了讨论和总结。此外，还详细介绍了MnOx基催化剂在室内六氯环己烷去除中的催化失活、催化剂再生和综合应用的研究现状。最后，分析了开发用于室内六氯环己烷去除的MnOx基催化剂的技术挑战，并提出了克服这些催化剂在实际应用中的挑战可能的研究方向。

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

Green Energy & Environment Energy-Renewable Energy, Sustainability and the Environment

CiteScore

16.80

自引率

3.80%

发文量

332

审稿时长

12 days

期刊介绍： Green Energy & Environment (GEE) is an internationally recognized journal that undergoes a rigorous peer-review process. It focuses on interdisciplinary research related to green energy and the environment, covering a wide range of topics including biofuel and bioenergy, energy storage and networks, catalysis for sustainable processes, and materials for energy and the environment. GEE has a broad scope and encourages the submission of original and innovative research in both fundamental and engineering fields. Additionally, GEE serves as a platform for discussions, summaries, reviews, and previews of the impact of green energy on the eco-environment.

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