Study on Reaction Types and Environment in Different Regions of Diesel Deep Hydrodesulfurization Reactor

查看全文 作　　者：Dai [1]Meng;Li [1]Shicai;Li [1]Yang;Xu [1]Dahai;Ding [1]He;Chen [1]Guang;Guo [1]Rong

机构地区：[1]SINOPEC Dalian Research Institute of Petroleum and Petrochemicals,Dalian 116045

出　　处：《China Petroleum Processing & Petrochemical Technology》索引2021年第23卷第1期,共11页

基　　金：This study was financially supported by the National 13th Five-Year Plan Project of China(No.YS2017YFGX010180). 摘　　要：In this work,the influence of reaction conditions on hydrocarbon distribution and product quality was tested to obtain the rule of variation with different residence time.A semi-experience and semi-mechanism dynamics model was established and modified.Based on the simulation results,the hydrogenation reactor is divided into five regions:the upper two regions are mainly saturated with most of tri-cyclic and bi-cyclic aromatics,and 90%of nitrides are converted,while all simple sulfide and some 4,6-DMDBT compounds undergo transformation reactions.In the lower three regions,the reaction rate of HDS and HDN slows down,while the rate of monocyclic aromatic saturation increases.The HDS,HDN and HDA rates of the optimized catalyst grading scheme are significantly increased. 关键词：DIESEL HDS reactor reaction type kinetic model SIMULATION

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Study on Reaction Types and Environment in Different Regions of Diesel Deep Hydrodesulfurization Reactor

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