Deactivation of supported skeletal Ni catalyst and effect of regeneration temperature on its catalytic performance

被引：7

作者：

Wang, Yanli ^{[1
]}

Luo, Guohua ^{[1
]}

Xu, Xin ^{[1
]}

Xia, Jiajia ^{[2
]}

机构：

[1] Beijing Inst Petrochem Technol, Dept Chem Engn, Beijing 102617, Peoples R China

[2] Beijing Univ Chem Technol, Coll Chem Engn, Beijing 100029, Peoples R China

来源：

CATALYSIS COMMUNICATIONS | 2014年 / 57卷

关键词：

Supported skeletal Ni catalyst; Deactivation; Regeneration; Indene and styrene; Hydrogenation; HYDROGENATION;

D O I：

10.1016/j.catcom.2014.07.034

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：

Deactivation and regeneration of supported skeletal Ni catalyst applied to hydrogenation of indene and styrene in fixed-bed reactor were investigated. The significant aggregation of skeletal Ni and formation of coke precursors were the main reasons for deactivation of catalyst. Furthermore, TG-DTA, XRD, SEM, BET and H-2-TPR were utilized to characterize the regenerated catalysts and calcining the spent catalysts in air at 550 degrees C for 3 h and then reducing in H-2 at 450 degrees C for 3 h under 240 h(-1) (GHSV) could recover its activity according to hydrogenation evaluation results. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：83 / 88

页数：6

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