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Attrition Characteristics of Catalysts for a High Efficiency Water Gas Shift Process  

Jo, Jun Beom (Department of Chemistry, KAIST)
Kim, Jae Ho (Korea Institute of Energy Research, Gasification Research Center)
Lee, See Hoon (Korea Institute of Energy Research, Gasification Research Center)
Publication Information
Applied Chemistry for Engineering / v.21, no.1, 2010 , pp. 111-114 More about this Journal
Abstract
In the attrition reactor for the American Society for Testing and Materials (ASTM) D5757-95, the attrition characteristics of catalysts for water gas shift reaction were investigated. The effects of attrition characteristics of low temperature shift catalysts (LTS) and high temperature shift catalysts (HTS) on fluidization phenomena and average particle size were investigated and compared with the attrition characteristics of sand particles. The particle size of catalysts was decreased and particle size distribution in attrition tube was changed due to the effect of gas injection. About 40~50 wt% samples of original catalyst particles were entrained and lost. The amount of fly ash of LTS catalyst was less than that of HTS. Also, the weight of entrained particles which had original particle size of $212{\sim}300{\mu}m$ was lower than any other cases.
Keywords
attrition; water gas shift; fluidized bed; jet;
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