Reaction Characteristics of CO and Sintering Ore Used as an Oxygen Carrier in Chemical Looping Combustion

被引：5

作者：

Liu, Xun-Liang ^{[1
]}

Yin, Xiao-Jun ^{[1
]}

Zhang, Hao ^{[2
]}

机构：

[1] Univ Sci & Technol Beijing, Sch Mech Engn, Beijing 100083, Peoples R China

[2] Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China

来源：

ENERGY & FUELS | 2014年 / 28卷 / 09期

基金：

中国国家自然科学基金;

关键词：

SYNTHESIS GAS; IRON-OXIDE; REDUCTION; PARTICLES; ILMENITE; HYDROGEN; SYNGAS; SYSTEM; FE; CU;

D O I：

10.1021/ef5009677

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：

Chemical looping combustion (CLC) is a kind of efficient combustion technology to capture CO2. In this paper, the reaction characteristics of CO and sintering ore used as an oxygen carrier (OC) in CLC were investigated through thermogravimetric experiments. The effects of the reaction temperature, particle size, and CO concentration on reduction conversions of sintering ore were experimentally studied. The experimental data with high final conversions, obtained during the temperature range of 900 degrees C, were chosen to analyze the reaction kinetics with diverse models and to have an insight of reduction reaction parameters of sintering ore. In addition, the economy of the circulation of sintering ore was theoretically discussed. The tests of 30 redox cycles were conducted at 900 degrees C to investigate the recyclability of sintering ore. The sintering ore samples during the cycling tests were morphologically characterized for better understanding of the reaction mechanism.

引用

页码：6066 / 6076

页数：11

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