Design of Catalyst Support for Deep Hydrodesulfurization of Gas Oil |
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| Authors: | W W Pang Y Z Zhang K-H Choi J K Lee S H Yoon I Mochida |
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| Affiliation: | 1. College of Chemistry and Chemical Engineering , China University of Petroleum , Dongying , Shandong , P. R. China;2. Institute for Material Chemistry and Engineering, Kyushu University , Kasuga , Fukuoka , Japan |
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| Abstract: | Abstract Alumina-silica (Al2O3-SiO2) composite supports were examined to find the optimum state of support (i.e., composition and morphology). SiO2 content in the Al2O3-SiO2 support induced a shift of the main peak to higher frequency ascribed to an increased amount of Mo8O26 4?. A 75 wt% Al2O3-25 wt% SiO2 support had homogeneously dispersed alumina particles of smaller size with high crystallinity. Hydrodesulfurization (HDS) of straight-run gas oil and its conventionally hydrotreated straight-run gas oil was performed over NiMo sulfides supported on Al2O3-SiO2 composites. The high crystallinity of NMASA2-27 may be related to the high HDS and hydrogenation activity of NiMo sulfides due to its moderate interaction with the alumina surface. |
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| Keywords: | Al2O3-SiO2 catalyst gas oil hydrodesulfurization |
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