Hydrocracking of Acenaphthene over a Sulfided Ni–Mo/Al<sub>2</sub>O<sub>3</sub>Catalyst
作者:Yasuo Miki、Yoshikazu Sugimoto
DOI:10.1246/bcsj.68.723
日期:1995.3
The selectivity of ring opening was investigated for the hydrocracking of acenaphthene under an initial hydrogen pressure of 6 MPa and in the temperature range from 390 to 450 °C. Major products were classified into the following six components: tetrahydroacenaphthylene, hexahydroacenaphthylene, perhydroacenaphthylene, ring opening products (bicyclic compounds and monocyclic compounds), alkylation products (tricyclic compounds of C13 or larger), and dimerization products (biacenaphthene and their hydrogenated compounds). Ring opening of acenaphthene proceeded via two routes: the direct ring opening of acenaphthene and ring opening after hydrogenation to hexahydroacenaphthylene. In the former reaction only 1-ethylnaphthalene was produced, while 1,8-dimethylnaphthalene and its hydrogenated products were not observed. In the latter reaction, on the other hand, two types of ring opening of a C–C bond adjacent to the benzene ring, the opening of a saturated five-membered ring to produce 1-ethyltetralin and the opening of a saturated six-membered ring to produce 1-propylindane, were observed.
在初始氢压为6 MPa、温度为390至450 °C的条件下,对环烷烃加氢裂解的环开环选择性进行了研究。主要产物分为以下六类:四氢苊烯、六氢苊烯、全氢苊烯、环开环产物(双环化合物和单环化合物)、烷基化产物(C13或更大的三环化合物)和二聚产物(双苊烯及其氢化物)。苊烯的环开环反应通过两种途径进行:苊烯的直接环开环和氢化后环开环生成六氢苊烯。在前一种反应中,只生成1-乙基萘,而1,8-二甲基萘及其氢化产物则没有观察到。在后一种反应中,则观察到了两种类型的环开环反应,即与苯环相邻的C-C键的开环,饱和五元环的开环生成1-乙基四氢萘,以及饱和六元环的开环生成1-丙基茚。