摘要
以固载型过渡金属Co2+离子取代的Keggin型磷钼酸为催化剂,分子氧为氧化剂,在管式微分反应器中进行了催化氧化环己烯合成环氧环己烷的工艺研究,结果表明,在反应温度260℃、反应压力1.7MPa、环己烯流量0.05 mL/min、氧气流量9 mL/min和催化剂1.5 g的条件下,单程环己烯转化率和环氧环己烷的选择性分别为11.4%和75.1%,环氧环己烷单程收率可达85.6%。
Using the transition metal ions Co2＋ instead Keggin type phospho - molybdic acid as the cata- lyzer, the molecular oxygen as the oxidant, and the tubular differential reactor as the reactor, a new process for the epoxidation of cyclohexene to cyclohexene oxide are studied. The result shows that under the opti- mal conditions ： the reaction temperature is 260 ~C, the reaction pressure is 1.7 MPa, the flux of cyclohex- ene is 0.05 mL/min, the flux of molecular oxygen is 9 mL/min and the amount of catalyst is 1.5 g, cy- clohexene conversion and cyclohexene oxide selectivity is 11.4% and 75.1% respectively, and then the yield of cyclohexene oxide is up to 85.6%.
出处
《河南化工》
CAS
2012年第19期38-41,共4页
Henan Chemical Industry
关键词
过渡金属
磷钼酸
管式微反应器
环氧环己烷
合成工艺
transition metal
phospho - molybdic acid
tubular differential reactor
cyclohexene oxide
systhsis process
