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http://dx.doi.org/10.7316/KHNES.2013.24.6.535

Effect of Bed Insert Geometry on CO Conversion of WGS Catalyst in a Fluidized Bed Reactor for SEWGS Process  

Ryu, Hojung (Korea Institute of Energy Research)
Kim, Hana (Korea Institute of Energy Research)
Lee, Dongho (Korea Institute of Energy Research)
Jin, Gyoungtae (Korea Institute of Energy Research)
Park, Youngcheol (Korea Institute of Energy Research)
Jo, Sungho (Korea Institute of Energy Research)
Publication Information
Transactions of the Korean hydrogen and new energy society / v.24, no.6, 2013 , pp. 535-542 More about this Journal
Abstract
To enhance the performance of SEWGS system by holding the WGS catalyst in a SEWGS reactor using bed inserts, effect of bed insert geometry on CO conversion of WGS catalyst was measured and investigated. Small scale fluidized bed reactor was used as experimental apparatus and tablet shaped WGS catalyst and sand particle were used as bed materials. The cylinder type and the spring type bed inserts were used to hold the WGS catalysts. The CO conversion of WGS catalyst with the change of steam/CO ratio was determined based on the exit gas analysis. Moreover, gas flow direction was confirmed by bed pressure drop measurement for each case. The measured CO conversion using the bed inserts showed high value comparable to previous results even though at low catalyst content. Most of input gas flowed through the bed center side when we charged tablet type catalyst into the cylinder type bed insert and this can cause low $CO_2$ capture efficiency because the possibility of contact between input gas and $CO_2$ absorbent is low in this case. However, the spring type bed insert showed good reactivity and good distribution of gas, and therefore, the spring type bed insert was selected as the best bed insert for SEWGS process.
Keywords
SEWGS; WGS; Catalyst; CO conversion; Insert;
Citations & Related Records
Times Cited By KSCI : 9  (Citation Analysis)
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