高等学校化学学报2018，Vol.39Issue(5)：941-948,8.DOI:10.7503/cjcu20170756
CoSAPO-5分子筛的快速合成及高效催化α-蒎烯与空气环氧化反应
Rapid Synthesis of CoSAPO-5 Zeolite and Efficiently Catalytic Epoxidation of α-Pinene with Air
摘要
Abstract
A green catalytic reaction system with characteristic of high efficiency and energy saving for the synthesis of α-epoxy pinane by catalytic epoxidation of α-pinene with air was constructed. By using rotating hydrothermal route,the necessary time for crystal nucleation and growth of SAPO-5 was shortened distinctly, meanwhile the crystal size was decreased and the crystal size distribution became more uniform. Then, CoSAPO-5 catalyst was prepared by post treatment of SAPO-5 precursor. Under the investigation for various catalytic reaction conditions systematically, including solvent type, the amount of catalyst, reaction temperature,and reaction time, the optimal reaction system was established, under which the conversion of α-pinene can reach 96.5%, the yield of α-epoxy pinane can reach 89.0%, better than the best results reported. Moreover, CoSAPO-5 catalyst was also used in the catalytic epoxidation of other bulky alkene molecules. The recycling experiments indicate that CoSAPO-5 is an excellent heterogeneous recyclability catalyst.关键词
水热转动晶化/分子筛/催化环氧化/α-蒎烯/CoSAPO-5Key words
Rotation hydrothermal synthesis/Zeolite/Catalytic epoxidation/α-Pinene/CoSAPO-5分类
化学化工引用本文复制引用
夏坤,王艺,周丹,黄哲,伍忠汉,夏清华..CoSAPO-5分子筛的快速合成及高效催化α-蒎烯与空气环氧化反应[J].高等学校化学学报,2018,39(5):941-948,8.基金项目
国家自然科学基金(批准号:21571055,21673069)和湖北省自然科学基金杰出青年项目(批准号:2016CFA040)资助. Supported by the National Natural Science Foundation of China(Nos.21571055,21673069)and the Outstanding Youth Project of Natural Science Foundation of Hubei Province, China(No.2016CFA040). （批准号:21571055,21673069）
