Hydrogenation kinetic of alkenes and aromatics over NiMo hydrotreatment catalysts  

作　　者：Wenbo Li Xinyao Fu Weiming Zhai Xingyang Huang Wenbin Chen Chen Zhang Wei Zhang Cuiqing Li Yong Luo Feng Liu Mingfeng Li 

机构地区：[1]Beijing Key Laboratory of Enze Biomass Fine Chemicals,School of New Materials and Chemical Engineering,Beijing Institute of Petrochemical Technology,Beijing 102617,China [2]SINOPEC Research Institute of Petroleum Processing Co.,LTD,Beijing 100083,China [3]State Key Laboratory of Organic-Inorganic Composites,Research Center of the Ministry of Education for High Gravity Engineering and Technology,Beijing University of Chemical Technology,Beijing 100029,China

出　　处：《Chinese Journal of Chemical Engineering》2025年第3期11-22,共12页中国化学工程学报(英文版)

基　　金：funding support provided by the National Key Research&Development of China(2022YFA1504401);the Project of Cultivation for Young Top-notch Talents of Beijing Municipal Institutions(BPHR202203094);Young Elite Scientists Sponsorship Program by the BAST(BYESS2023256).

摘　　要：Hydrotreatment is a critical process in the petrochemical industry to produce gasoline or diesel.Proper kinetic models and accurate kinetic parameters of hydrotreatment reactions are important for the industrial reactor design and scale-up research.In this work,hydrogenation kinetics of alkene and aromatic model compounds were studied thoroughly to provide deep understanding on alkene and aromatic hydrogenation behaviors in gasoline and diesel hydrotreating.Commercial NiMo hydrotreatment catalysts were used to obtain experimental data of hydrogenation reactions.Cyclohexene,1-octene,naphthalene and phenanthrene were used as model compounds of alkenes and aromatics.Langmuir-Hinshelwood-Hougen-Watson(LHHW)kinetic models for hydrotreatment reactions were established.In addition,phase equilibrium calculations were combined with kinetic study,and it is discovered that using calculated liquid phase compositions as kinetic model input could greatly enhance the accuracy of kinetic models and the quality of kinetic parameters,leading to higher accordance with experimental results.Using kinetic models and phase equilibrium analysis,the effect of reaction conditions(temperature,pressure,and H2/oil ratio)on reaction rates were also predicted and clarified.The importance of phase equilibrium in kinetic analysis for hydrotreating reactions was demonstrated in this study,which provides an effective approach for future hydrotreatment reactor design and catalyst optimization.

关 键 词：KINETIC HYDROGENATION Phase equilibria H_(2)/oil ratio 

分 类 号：TE624.4[石油与天然气工程—油气加工工程]