Deactivation mechanism and regeneration of carbon nanocomposite catalyst for acetylene hydrochlorination

被引：73

作者：

Li, Xingyun ^{[1
]}

Li, Pan ^{[1
]}

Pan, Xiulian ^{[1
]}

Ma, Hao ^{[1
]}

Bao, Xinhe ^{[1
]}

机构：

[1] Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Zhongshan Rd 457, Dalian 116023, Peoples R China

来源：

APPLIED CATALYSIS B-ENVIRONMENTAL | 2017年 / 210卷

基金：

中国国家自然科学基金;

关键词：

Acetylene hydrochlorination; Metal free; Carbon catalysis; Carbon deposit; Catalyst regeneration; TEMPERATURE-PROGRAMMED OXIDATION; KINETICS; SURFACE;

D O I：

10.1016/j.apcatb.2017.03.046

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Acetylene hydrochlorination is an important coal-based technology for production of vinyl chloride, the monomer of one of the world mostly used plastics. Despite of the great potentials demonstrated for carbon-based catalysts to replace the toxic mercury chloride, the stability and the deactivation mechanism are rarely discussed, which is essential for real applications. Herein, we present a detailed study on the deactivation mechanism of nitrogen doped carbon based catalyst in acetylene hydrochlorination. The results show that the deactivation was likely caused by the carbon-like deposition over the catalyst, which can be regenerated with high temperature NH3 treatment. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：116 / 120

页数：5

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