Kinetics of Benzene Alkylation with Long Chain Olefin over Solid Acid Catalyst

摘要

The benzene alkylation with long chain olefin over solid acid catalyst in the fixed-bed reactor was carried out under near critical conditions. The kinetic model of alkylation correlated with external diffusion and yield model of products were determined, and the model parameters, such as, the external diffusion factor, olefin conversion rate constant and the rate constant forming three products, were estimated. The statistical analysis showed the kinetic model had the higher simulation precision. Compared with the catalyst with 12-16 mesh (Cat-2), the activity and selectivity of linear alkyl benzene (LAB) of catalyst with 20-40 mesh (Cat-1) was higher.