Research on Ni/γ-Al2O3 catalyst for CO2 reforming of CH4 prepared by atmospheric pressure glow discharge plasma jet

被引：63

作者：

Shang, Shuyong ^{[1
,2
]}

Liu, Gaihuan ^{[1
,3
]}

Chai, Xiaoyan ^{[1
]}

Tao, Xumei ^{[1
]}

Li, Xiang ^{[1
,4
]}

Bai, Meigui ^{[1
]}

Chu, Wei ^{[1
]}

Dai, Xiaoyan ^{[1
]}

Zhao, Yanxi ^{[5
]}

Yin, Yongxiang ^{[1
]}

机构：

[1] Sichuan Univ, Sch Chem Engn, Ctr Plasma Applicat, Chengdu 610065, Sichuan, Peoples R China

[2] Yibin Univ, Dept Chem Engn, Yibin 644007, Sichuan, Peoples R China

[3] China Petr Engn Co Ltd, Southwest Co, Chengdu 610017, Sichuan, Peoples R China

[4] SW Univ Sci & Technol, Coll Sci, Mianyang 621010, Sichuan, Peoples R China

[5] S China Univ Nationalities, Coll Chem & Mat, Wuhan 430074, Hubei, Peoples R China

来源：

CATALYSIS TODAY | 2009年 / 148卷 / 3-4期

基金：

中国国家自然科学基金;

关键词：

Atmospheric pressure glow discharge plasma jet; Plasma-assisted; Ni/gamma-Al2O3; Catalyst; Methane; Carbon dioxide; Reforming; FISCHER-TROPSCH CATALYSTS; SUPPORTED METAL-CATALYSTS; ASSISTED PREPARATION; NI/AL2O3; CATALYST; NI/SIO2; SYNTHESIS GAS; NI CATALYSTS; METHANE; REDUCTION; REGENERATION;

D O I：

10.1016/j.cattod.2009.09.011

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Ni/gamma-Al2O3 catalyst had been prepared by atmospheric pressure glow discharge (APGD) plasma jet. Such plasma-prepared catalyst exhibited an improved low-temperature activity in CO2 reforming of CH4, compared to that of the catalyst prepared by conventional method. Characteristics of catalysts were analyzed by means of X-ray powder diffraction (XRD), temperature programmed desorption (TPD) experiment with H-2 or CO2 probe, Brunauer-Emmett-Teller (BET) procedure, transmission electron microscopy (TEM) and thermogravimetric analysis (TGA). The XRD and TEM characterization showed that this novel plasma-assisted preparation induced Ni nano-particles as small as 5 nm. The results of XRD, H-2-TPD and TEM confirmed that, the nickel dispersion of the Ni/gamma-Al2O3 catalyst by APGD was enhanced greatly. The improved anti-coke deposition performance was illustrated from the results of TGA, CO2-TPD and the stability test experiments. Crown Copyright (C) 2009 Published by Elsevier B.V. All rights reserved.

引用

页码：268 / 274

页数：7

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