1. State Key Laboratory of Chemical Engineering, College of Chemical and Biological Engineering, Zhejiang University, Hangzhou 310027, China;
2. Institute of ZheJiang University-Quzhou, Quzhou 324000, China;
3. Daqing Petrochemical Research Center of Petrochina, Daqing 163714, China
Abstract：Poly-α-olefin (PAO) is used as the base oil of high-end lubricants. Using models as tools to solve optimization propositions is an effective means for high-quality PAO grade customization. The steady-state model was used to investigate the effects of reaction temperature, reaction pressure, average residence time and initiator content on the product composition and monomer conversion. The results showed that reaction temperature had a significant effect on PAO composition and monomer conversion, while reaction pressure, average residence time, and content of initiator mainly affected the monomer conversion. The individual optimization of each process condition was easier to converge, more accurate, and less affected by the initial value than the simultaneous optimization of multiple process conditions. In order to meet the goal that monomer conversion of over 95% and target component content (trimer and tetramer) near 80%, the process parameters were optimized. The reaction temperature was adjusted firstly to make the mass fraction of trimer and tetramer meet the requirements, then the reaction pressure, average residence time and content of initiator were adjusted to reach the required conversion. The optimal process conditions were obtained for the reaction temperature of 30 ℃ and the mass ratio of initiator to monomer of 0.66%.
. Grade Customization Strategy for the Continuous Oligomerization of 1-Decene Catalyzed by BF3/Ethanol[J]. Chemical Reaction Engineering and Technology, 2021, 37(4): 329-337.
