气相催化1,1,1,3,3-五氟丙烷脱HF合成1,3,3,3-四氟丙烯研究进展  

Research Advance in Gas-Phase Catalysis Dehydrofluorination of 1,1,1,3,3-Pentafluoropane to 1,3,3,3-Tetrafluoropene

作　　者：方秀秀 廖文敏 宋建东 汪云 罗孟飞 FANGXiuxiu;LIAO Wenmin;SONG Jiandong;WANG Yun;LUO Mengfei(Institute o f Physical Chemistry, Zhejiang Normal University,Key Laboratory o f Ministry o f Education fo r Advanced Catalytic Materials, Jinhua, Zhejiang 321004)

机构地区：[1]浙江师范大学物理化学研究所先进催化材料教育部重点实验室,浙江金华321004

出　　处：《化工生产与技术》2019年第1期15-17,31,I0003,共5页Chemical Production and Technology

摘　　要：叙述了气相催化1,1,1,3,3-五氟丙烷(HFC-245fa)脱HF制备1,3,3,3-四氟丙烯(HFO-1234ze)的反应热力学、反应机理及最新的催化剂体系,论述了各种催化剂的作用机制、催化剂表面的活性物种和性质,评价了它们的HFC-245fa脱HF反应性能。展望了HFC-245fa脱HF制1,3,3,3-四氟丙烯的发展方向,认为对金属氟化物催化剂进行更深入的研究,对其组成进行适当调变,提高催化剂活性组分的分散度,控制表面酸强度,提高催化剂的抗积碳、抗烧结能力,以及延长催化剂的使用寿命等,制备出性能优良的HFC-245fa脱HF的工业催化剂,将成为今后该领域研究的方向。The reaction thermodynamics, reaction mechanism and the latest catalyst system for the preparation of 1,3,3,3- tetrafluoropropanes (HFO-1234ze) by gas-phase catalysis dehydrofluorination of 1,1,1,1,3,3-pentafluoropropane (HFC-245fa) were described. Then the action mechanism, the surface active species and the properties of various catalysts were discussed. The reaction performance of HFC-245fa dehydrofluorination was evaluated, and the development direction of HFC-245fa dehydrofluorination to 1,3,3,3-tetrafluoropropanes was prospected. The direction of future research in this field will be more depth study on metal fluorides catalyst, its composition is appropriate modulation, improve the dispersion of catalyst active components, control surface acid strength, and improve the sintering resistance and carbon deposition resistance of catalyst, and extend the service life of catalyst, the preparation of the excellent performance industrial catalyst of HFC-245fa dehydrofluorination.

关 键 词：1 1 1 3 3-五氟丙烷 1 3 3 3-四氟丙烯 脱氟化氢反应 气相催化 

分 类 号：TQ222.424[化学工程—有机化工]