Effects of biogas feed distribution ratio on the reforming efficiency of a direct biogas reforming system for hydrogen production

被引:3
|
作者
Kim, Hwan [1 ]
Yoon, Jonghyuk [1 ]
Kim, Hyongrae [1 ]
Lee, Byungjin [1 ]
Hwang, Sangyeon [1 ]
Uhm, Sunghyun [1 ]
Song, Hyoungwoon [1 ]
机构
[1] Inst Adv Engn, Hydrogen Energy Solut Ctr, Yongin 17180, South Korea
关键词
Sustainable hydrogen production; Biogas utilization; Reforming process; Optimized feed distribution ratio; WATER-GAS SHIFT; METHANE; STEAM; COMBUSTION; NI;
D O I
10.1016/j.ijhydene.2023.07.289
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
This paper presents a study to optimize biogas feed distribution ratio between the reformer and the burner for hydrogen production. The objective is to improve operational and economic efficiency by optimizing the process and minimizing calorific deficits due to CO2 in direct biogas reforming. The results showed that increasing burner distribution ratio increased energy demand, and decreasing the reformer distribution ratio decreased the energy conversion efficiency. Therefore, an optimized distribution ratio is important. Computational fluid dynamics analysis and experimental investigations show that a 5:5 feed distribution at temperatures above 750 degrees C facilitates efficient heat transfer to the outer wall of the reforming tube. We believe that this study highlights the importance of optimizing combustion energy and hydrogen production through the distribution ratio while ensuring temperature uniformity in the reformer.(c) 2023 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码:234 / 245
页数:12
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