SIMULATION OF A 4-BED PRESSURE SWING ADSORPTION PROCESS FOR OXYGEN ENRICHMENT

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题名:	SIMULATION OF A 4-BED PRESSURE SWING ADSORPTION PROCESS FOR OXYGEN ENRICHMENT
作者:	CHOU,CT;HUANG,WC
贡献者:	化學工程與材料工程學系
关键词:	KINETIC SEPARATION;BULK SEPARATION;DIFFUSION;MODELS
日期:	1994
上传时间:	2010-06-29 17:34:17 (UTC+8)
出版者:	中央大學
摘要:	Dynamic simulation with the valve equation approach of a four-bed pressure swing adsorption (PSA) process for oxygen enrichment over zeolite 5A was performed. Product pressurization, feed pressurization, production, blowdown, purge, and pressure equalization are included in this process. The numerical results were compared to the experimental results of Chiang et al. (1994) and gave reasonable agreements. The effects of production rate and purge rate on the purity and recovery were also explored by simulation. When breakthrough did not occur for the depressurizing bed during the pressure equalization step, operation at the minimum purge rate gave a relatively high recovery for producing a product of purity more than 95% oxygen. When breakthrough occurred, the theoretical results show that, for a fixed production rate, there is a purge rate giving the maximum recovery and a different purge rate giving the highest purity.
關聯:	INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
显示于类别:	[化學工程與材料工程研究所] 期刊論文

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