Investigation of rapid-starting strategy of cold start processing on porous medium-catalyst hybrid reformer

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题名:	Investigation of rapid-starting strategy of cold start processing on porous medium-catalyst hybrid reformer
作者:	Lai, Ming-Pin Horng, Rong-Fang Lai, Wei-Hsiang Chao, Pin-Chun Chen, Chen-Yu
贡献者:	Dept Mech Engn
关键词:	Cold starting Reforming Hydrogen Porous media
日期:	2015-09
上传时间:	2015-10-19 11:02:53 (UTC+8)
摘要:	This study investigated the control strategy for the rapid cold startup process in porous media-assisted (PM-assisted) catalyst hybrid reformers that produce syngas from the partial oxidation of methane (CH4). A control strategy was established based on the axial temperature distribution and infrared thermal imaging observations of the reformer under total oxidation reaction. In this study, methane was used to explore the temperature fluctuation characteristics exhibited by various fuels (CH4 or H-2) during the startup process in reformer. Methane was also used to investigate operational strategies for achieving rapid cold-startup. The experiments confirmed that the rapid flame propagation speed and small quenching distance of hydrogen can shorten the startup time, reduce chemical energy supply, and provide superior thermal stability. The experimental analyses indicated that PM-assisted cold startups can improve the thermal stability of catalyst beds, reduce the temperature fluctuations in reformed gases, and effectively increase the reactive temperature of catalyst-packed beds. Copyright (C) 2015, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
關聯:	INTERNATIONAL JOURNAL OF HYDROGEN ENERGY 卷: 40 期: 34 頁碼: 11228-11234
显示于类别:	[機械工程系暨機械工程學系數位機電研究所] 期刊論文

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