EXPERIMENTAL-STUDY ON A 4-BED PSA AIR SEPARATION PROCESS

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題名:	EXPERIMENTAL-STUDY ON A 4-BED PSA AIR SEPARATION PROCESS
作者:	CHIANG,AST;CHUNG,YL;CHENG,CW;HUNG,TH;LEE,TY
貢獻者:	化學工程與材料工程學系
關鍵詞:	PRESSURE SWING ADSORPTION;KINETIC SEPARATION;EQUILIBRIUM-THEORY;MOLECULAR-SIEVE;DIFFUSION;MIXTURE;CARBON
日期:	1994
上傳時間:	2010-06-29 17:33:49 (UTC+8)
出版者:	中央大學
摘要:	A 200-s PSA cycle involving both pressure equalization and product backfill steps has been experimentally studied on a four-bed system, where LINDE 5A zeolites were used as the adsorbent to separate oxygen from air. This cycle is operated under a pressure ratio of 4.3. During the experiment, the pressure history and flow rates, as well as the concentration of the product stream have been continuously monitored. This is the first time detailed experimental data on a four-bed system are presented. Under favorable conditions, this system produces better than 90% oxygen at a recovery of 17%. For the low-pressure ratio, such a recovery could not have been achieved without the pressure equalization step and the reduced purge operation. Recovery and throughput, however, are not as high as one would expect from a linear local equilibrium model. The self-broadening effect of the purge wave has been identified as the major cause of underperformance.
關聯:	AICHE JOURNAL
顯示於類別:	[化學工程與材料工程研究所] 期刊論文

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