中文摘要：

以不同比例的γ-Al2O3和Y型分子筛为混合载体制备NiW/Al2O3-Y催化剂,采用N2低温吸附、XRD、H2-TPR和NH3-TPD对其进行表征,并在固定床上通过甲酚-萘溶液的加氢处理反应对催化剂活性进行评价。结果表明,催化剂均具有良好的加氢脱氧及加氢饱和性能,异构化及裂化产物随分子筛含量的增加而增加,催化剂酸性增加更有利于萘加氢产物中反式十氢萘的生成。以较佳催化剂对低温煤焦油馏分进行加氢处理,采用GC-MS和元素分析等对油品进行分析。原料中绝大部分酚类化合物及双环芳烃转化为茚、环烷烃和氢化芳烃等化合物,同时明显降低了杂原子尤其是硫和氧的含量。

英文摘要：

γ-alumina supported Ni-W catalysts with different zeolite Y contents were prepared and characterized by N 2 sorption,XRD,H 2-TPR and NH 3-TPD.Their catalytic activities were investigated on a trickle bed reactor by hydroprocessing cresolnaphthalene model compounds in n-heptane solution.The results show that all the catalysts exhibit excellent hydrodeoxygenation and hydrogenation activities,while the isomerization and ring-opening products increase with the addition of zeolite,and trans-decalin is preferred with acid sites.A better catalyst was selected for hydroprocessing a low temperature coal tar fraction and the product oil was analyzed by GC-MS and elementary analysis.Phenols and di-aromatics in the tar are almost converted into indans,cycloalkanes and hydro-aromatics.In the meantime,heteroatoms,especially S and O atoms,reduce remarkably.