Bimetallic Au-Sn/AC catalysts for acetylene hydrochlorination

被引：60

作者：

Dong, Yanzhao ^{[1
]}

Zhang, Haiyang ^{[1
]}

Li, Wei ^{[2
]}

Sun, Mengxia ^{[2
]}

Guo, Cuili ^{[2
]}

Zhang, Jinli ^{[1
]}

机构：

[1] Tianjin Univ, Key Lab Syst Bioengn MOE, Tianjin 300072, Peoples R China

[2] Tianjin Univ, Key Lab Green Chem Technol MOE, Tianjin 300072, Peoples R China

来源：

JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2016年 / 35卷

关键词：

Acetylene hydrochlorination; Au-Sn catalyst; Coking deposition; SURFACE ORGANOMETALLIC CHEMISTRY; GOLD CATALYSTS; VINYL-CHLORIDE; PT-SN/AL2O3; CATALYSTS; ALCOHOL OXIDATION; CARBON SUPPORTS; HYDROGEN; DEHYDROGENATION; DEACTIVATION; ISOBUTANE;

D O I：

10.1016/j.jiec.2015.12.031

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of Au-Sn/AC catalysts for acetylene hydrochlorination were prepared by an incipient wetness impregnation method and characterized by BET, XPS, TEM, TPR, XRD, ICP-AES and TPD techniques. It is indicated that Au1Sn1/AC catalyst shows the highest activity and stability with the 95% acetylene conversion after 48 h reaction under the conditions of 170 degrees C and an acetylene gas hourly space velocity of 720 h(-1). The Sn additive can make the Au species dispersed well and weaken the occurrence of coke deposition, as well as inhibit the reduction of Au3+ to Au-0, thereby improving the catalytic activity and stability. (C) 2015 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.

引用

页码：177 / 184

页数：8

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