Modeling of the Chemical-Looping Combustion of Methane using a Cu-based Oxygen Carrier

被引：12

作者：

Abad, Alberto ^{[1
]}

Adanez, Juan ^{[1
]}

Garcia-Labiano, Francisco ^{[1
]}

de Diego, Luis F. ^{[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：

FLUIDIZED-BED;

D O I：

10.1016/j.egypro.2009.01.053

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：

A mathematical model for a bubbling fluidized bed has been developed to simulate the performance of the fuel reactor (FR) in chemical looping combustion systems. This model considers both the hydrodynamic of the fluidized bed (dense bed and freeboard) and the reduction kinetics of the oxygen carrier (OC). The main outputs of the model are solid conversion and gas composition at the reactor exit, the axial profiles of gas composition, and the fluidynamics structure of the reactor. The FR model was validated using the experimental data obtained from the CH(4) combustion in a 10 kW(th) prototype built at the "Instituto de Carboquimica" (ICB-CSIC, Spain) using a Cu-based OC. The influence of OC circulation rate, fuel gas load, reactor temperature and OC particle size were analyzed. Combustion efficiency predicted by the model showed a good agreement with experimental results. Once the FR model was validated, important consequences for the design and optimization of the FR in a CLC system were obtained. (C) 2008 Elsevier Ltd. All rights reserved.

引用

页码：391 / 398

页数：8

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