含氯废气催化燃烧过程中氯物种的迁移与转化

doi:10.16085/j.issn.1000-6613.2018-1529

摘要/Abstract

摘要： 催化燃烧技术是处理含氯挥发性有机化合物（CVOCs）最有效的技术之一，其中过渡金属氧化物因其具有较好的热稳定性和较强的抗中毒性而得到了广泛的应用和关注，但对其抗氯中毒原理尚不明确。本文回顾和总结了近几年来不同过渡金属氧化物在CVOCs催化燃烧中的应用，对其氯中毒机理和抗氯中毒方式进行了综述。已有的研究证实，过渡金属氧化物催化氧化CVOCs的中毒方式包括氯吸附和形成金属氯氧化物两种，基于对氯中毒方式的认识，本文提出催化剂形貌和晶型调控、掺杂改性和酸改性等方式改变催化剂的物理化学性质，进而提高催化剂的催化活性和抗氯中毒能力，为CVOCs催化燃烧催化剂的设计提供了重要的参考。

关键词: 催化剂, 挥发性有机化合物, 活性, 氧化, 抗氯中毒

Abstract: Catalytic combustion technology is one of the most effective and promising technologies for the treatment of chlorinated volatile organic compounds (CVOCs). Transition metal oxides have been widely applied due to good thermal stability and strong anti-toxicity, but the transition metal oxide chlorine poisoning mechanism and the way of chlorine poisoning is not clear. In this paper, the application of different transition metal oxides in CVOCs catalytic combustion in recent years has been reviewed. The mechanism of chlorine poisoning of transition metal oxides includes chlorine adsorption and formation of volatile metal oxychlorides. Various methods have been applied to promote their anti-chlorine poisoning performance, including morphology and crystal control, doping modification and acid modification which provides an important reference for the design of CVOCs catalytic combustion catalyst.

Key words: catalyst, volatile organic compounds, reactivity, oxidation, anti-chlorine poisoning

中图分类号:

O643

罗邯予, 张婷婷. 含氯废气催化燃烧过程中氯物种的迁移与转化[J]. 化工进展, 2018, 37(S1): 102-107.

LUO Hanyu, ZHANG Tingting. Migration and transformation of chlorine species for transition metal oxide in catalytic combustion of chlorinated volatile organic compounds[J]. Chemical Industry and Engineering Progress, 2018, 37(S1): 102-107.

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