Effects of the Residence Time in Four-Bed Pressure Swing Adsorption Process

Title
Effects of the Residence Time in Four-Bed Pressure Swing Adsorption Process
Authors
양세일박주용최대기김성현
Keywords
PSA; Hydrogen; Residence Time; Pressure Swing Adsorption; Residence Times; *교신저자 변경 확인('09.11.30 본부장님메일수신)
Issue Date
2009-03
Publisher
Separation science and technology
Citation
VOL 44, 1023-1044
Abstract
Hydrogen separation by the four-bed PSA process using layered beds of activated carbon and zeolite 5A was investigated experimentally and theoretically to recover high purity H2 from steam methane reforming off-gas. The recovery increased with increasing the residence time at given product purity because of the contact time between the impurities and the adsorbents is increased. The difference of increasing the recovery became smaller with increasing the residence time and then the recovery was not increased after 43.6 seconds of the residence time. The minimum residence time exists to obtain the maximum recovery at desired product purity (99.999%þ).
URI
http://pubs.kist.re.kr/handle/201004/35057
ISSN
1520-5754
Appears in Collections:
KIST Publication > Article
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