Chinese Journal of Applied Chemistry ›› 1995, Vol. 0 ›› Issue (3): 91-93.
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LiLimin, Guo Yiqun, Wang Guichang, Wang Wenxiang
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Abstract: The adsorption on sulfidized WGS(water gas shift) catalyst NiMoK/Al2O3 hasbeen studied by pulse gas chromatography.The changes of entropy and enthalpy of H2O ad-sorption were obtained from the retention volume determined at various temperatures.Theresults show that the △Ha and △Sa on sulfidized catalyst were greater than that of the oxi-dized catalyst.Furthermore,△Ha and △Sa of catalyst increase with the sulfidation tempera-ture.It is thought that the higher the sulfidation temperature, the more the adsorption sitesof H2O on the surface of catalyst, and the weaker the adsorbability.
Key words: WGS catalyst, sulfidation, water adsorption, pulse gas chromatography
LiLimin, Guo Yiqun, Wang Guichang, Wang Wenxiang. Water Adsotption on Sulfidized WGS Catalyst NiMoK/Al2O3[J]. Chinese Journal of Applied Chemistry, 1995, 0(3): 91-93.
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