Synthesis gas generation by chemical-looping reforming using a Ni-based oxygen carrier

被引：40

作者：

de Diego, Luis F. ^{[1
]}

Ortiz, Maria ^{[1
]}

Garcia-Labiano, Francisco ^{[1
]}

Adanez, Juan ^{[1
]}

Abad, Alberto ^{[1
]}

Gayan, Pilar ^{[1
]}

机构：

[1] CSIC, Inst Carboquim, Environm & Energy Dept, Zaragoza 50018, Spain

来源：

GREENHOUSE GAS CONTROL TECHNOLOGIES 9 | 2009年 / 1卷 / 01期

关键词：

Chemical looping; Oxygen carrier; Nickel Oxide; Fluidized bed; REACTIVITY; COMBUSTION; SUPPORT; REACTOR; OXIDES; FE2O3; SIO2;

D O I：

10.1016/j.egypro.2009.01.003

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：

This work presents the experimental results obtained during auto-thermal chemical looping reforming (CLR) in a 900 W(th) circulating fluidized bed reactor using methane as fuel. An oxygen carrier based on NiO and supported on gamma-Al(2)O(3) was used during more than 50 hours of operation and the effect of different operating variables, like fuel reactor temperature, H(2)O/CH(4) molar ratio and solid circulation rate, on CH(4) conversion and gas product distribution was analyzed. It was found that in all operating conditions CH(4) conversion was very high (> 98%) and the most important variable affecting to the gas product distribution was the solid circulation rate, that is, NiO/CH(4) molar ratio. During operation the oxygen carrier particles maintained their physical and chemical properties. These results suggest that this oxygen carrier could have a high durability, being a suitable oxygen carrier for a CLR system. (C) 2009 Instituto de Carboquimica (CSIC). Published by Elsevier Ltd. All rights reserved.

引用

页码：3 / 10

页数：8

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