Radial flow rapid pressure swing adsorption

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题名:	Radial flow rapid pressure swing adsorption
作者:	Chiang,AST;Hong,MC
贡献者:	化學工程與材料工程學系
关键词:	N/A
日期:	1995
上传时间:	2010-06-29 17:33:18 (UTC+8)
出版者:	中央大學
摘要:	A new PSA process has been proposed and experimentally verified. This process was operated with a radial flow geometry under a cycle time less than 30 seconds. It has been showed that enriched oxygen could be produced when air was fed inward. The same system showed virtually no separation effect if the feed direction was reversed. The change of separation efficiency upon flow reversal was most significant when small adsorbent particles were employed. A phi 200 x 75 mm annular packing with 3 mu m particles of zeolite 5A was able to produce 60% purity oxygen from air. The effect of flow direction on system performance confirmed the importance of flow resistance distribution. In radial flow geometry, most of the flow resistance was located near the center of the disk. The relative small pressure gradient at the feed end enabled a better absorbent utilization during the inward feed step, and a more effective desorption during the vent step. The same principle could be extended to other geometric configurations.
關聯:	ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY
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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