Effects of K2O promoter on the activity and stability of nickel catalysts supported on mesoporous nanocrystalline zirconia in CH4 reforming with CO2

被引：58

作者：

Rezaei, Mehran ^{[1
]}

Alavi, Seyed Mahdi ^{[2
]}

Sahebdelfar, Saeed ^{[3
]}

Yan, Zi-Feng ^{[4
]}

机构：

[1] Univ Kashan, Fac Engn, Dept Chem Engn, Kashan, Iran

[2] Iran Univ Sci & Technol, Dept Chem Engn, Tehran, Iran

[3] Petrochem Res & Technol Co, NPC RT, Tehran, Iran

[4] China Univ Petr, CNPC, Key Lab Catalysis, State Key Lab Heavy Oil Proc, Dongying 257061, Peoples R China

来源：

ENERGY & FUELS | 2008年 / 22卷 / 04期

关键词：

D O I：

10.1021/ef800114e

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

In this paper, the effects of K2O promoter on the activity, stability, and coke deposition of nickel catalysts supported on mesoporous nanocrystalline zirconia powder with high surface area and pure tetragonal crystallite phase were investigated in methane reforming with carbon dioxide. The samples were characterized by X-ray diffraction (XRD), BET surface area, temperature-programmed techniques (TPR, TPO, TPH, TPD), and scanning electron microscopy (SEM). The obtained results showed that the addition of K2O promoter affected the catalyst structure, increased the activity and stability, and also reduced the coke deposition on the catalysts.

引用

页码：2195 / 2202

页数：8

共 23 条

[1] CO2 reforming of CH4 [J].