PREPARATION OF MoP/TiO2-SiO2-Al2O3 CATALYSTS AND THEIR HYDRODENITROGENATION PERFORMANCE STUDY

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PREPARATION OF MoP/TiO2-SiO2-Al2O3 CATALYSTS AND THEIR HYDRODENITROGENATION PERFORMANCE STUDY

Gu Yong-He

Received:2009-12-14 Revised:1900-01-01 Online:2010-08-12 Published:2010-08-12
Contact: Gu Yong-He

Abstract

Abstract: MoP/TiO2-SiO2-Al2O3 catalysts with various TiO2 contents were prepared by in-situ sol-gel method．The hydrodenitrogenation ( HDN) activity of the catalyst was evaluated on a fixed-bed reactor using quinoline as model compound, under a reaction temperature range of 300～400℃ and a reaction pressure of 3 MPa．Results showed that TiO2 content had significant influence on the specific surface area, pore volume and pore diameter of the support．Optimal HDN activity was obtained over MoP/TiO2-SiO2-Al2O3 catalyst with n(Ti)：n (Al)：n(Si) of 1:4:1．Adding promoter Co could enhance the HDN activity of the catalyst，at an optimal Co content of 2% all the quinoline molecules in the model feed could be removed.

Key words: HDN, catalyst, preparation, promoter

Gu Yong-He. PREPARATION OF MoP/TiO2-SiO2-Al2O3 CATALYSTS AND THEIR HYDRODENITROGENATION PERFORMANCE STUDY[J]. Petroleum Processing and Petrochemicals, doi: .

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PREPARATION OF MoP/TiO2-SiO2-Al2O3 CATALYSTS AND THEIR HYDRODENITROGENATION PERFORMANCE STUDY

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