Particle-resolved simulation of Fe-based oxygen carrier in chemical looping hydrogen generation

被引：8

作者：

Gao, Guohui ^{[1
]}

Lai, Yuhua ^{[1
]}

Wang, Shuai ^{[1
]}

机构：

[1] Harbin Inst Technol, Sch Energy Sci & Engn, Harbin 150001, Peoples R China

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2023年 / 48卷 / 89期

基金：

黑龙江省自然科学基金;

关键词：

Chemical looping hydrogen generation; Computational fluid dynamics; Oxygen carrier; Coke formation; CONVERSION;

D O I：

10.1016/j.ijhydene.2023.05.216

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Oxygen carrier capability plays an important role in the performance of chemical looping hydrogen generation (CLHG). In this work, particle-scale simulation of oxygen carriers during the CLHG process is carried out, where the coke deposition effect on pore structures is taken into consideration. Meanwhile, the impacts of porosity and active component distribution of oxygen carriers on the CLHG performance are also analyzed. The results demonstrate that the CLHG performance is sensitive to particle porosity and active component distribution, especially for fuel reactor (FR). The increase of particle porosity can promote the carbon formation rate and hydrogen production rate. The flow direction and the diffusion will lead to the discrepancy of temperature between Egg-shell and Egg -yolk particles.(c) 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.

引用

页码：34624 / 34633

页数：10

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