CO Conversion Characteristics of WGS Catalysts for SEWGS System | Zendy

Ho-Jung Ryu | Zendy; Jihye Park | Zendy; Dongho Lee | Zendy; Jaehyeon Park | Zendy; Dal-Hee Bae | Zendy

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CO Conversion Characteristics of WGS Catalysts for SEWGS System

Author(s) -

Ho-Jung Ryu,

Jihye Park,

Dongho Lee,

Jaehyeon Park,

Dal-Hee Bae

Publication year - 2015

Publication title -

journal of hydrogen and new energy

Language(s) - English

Resource type - Journals

eISSN - 2288-7407

pISSN - 1738-7264

DOI - 10.7316/khnes.2015.26.2.096

Subject(s) - catalysis , reactivity (psychology) , syngas , materials science , chemistry , chemical engineering , organic chemistry , engineering , medicine , alternative medicine , pathology

>> Reactivity of commercial WGS catalyst(MDC-7) and four new catalysts(RMC-3, PC-73, PC-67SU, PC-59) manufactured with various compositions by Korea Electric Power Research Institute(KEPCO RI) were compared to select suitable WGS catalyst for SEWGS system. Steam/CO ratio, gas velocity, flow rates of syngas,and temperature were considered as operating variables. As a result, MDC-7 catalyst showed the highest CO conversion and RMC-3 catalyst showed also high CO conversion. Therefore, MDC-7 and RMC-3 catalysts were selected as applicable catalysts. However, PC-73 catalyst showed low CO conversion at low temperature(200℃) but showed good reactivity at high temperature(225~250℃), and therefore, PC-73 catalyst was selected as applicablecatalyst for high temperature operation. Continuous operations up to 24 hours for those three catalysts(MDC-7,RMC-3, PC-73) were conducted to check reactivity decay of catalysts. All three catalysts maintained their originalreactivity. Key words :

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