Catalyst performance in continuous hydrotreating of Rundle shale oil

T. G. Harvey, T. Matheson, K. Pratt, M. Stanborough
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引用次数: 8

Abstract

The 100-400C fraction of Rundle shale oil has been processed over three commercial sulfide hydrotreating catalysts at 400C, 13.8-MPa hydrogen pressure, and 1.0-h/sup -1/ LHSV. Ni-W/SiO/sub 2/-Al/sub 2/O/sub 3/ deactivated rapidly, Co-Mo/Al/sub 2/O/sub 3/ was effective, and Ni-Mo/Al/sub 2/O/sub 3/ was most effective. The Ni-Mo should allow production of a good substitute crude oil but not single-step production of finished middle-distillate fuels. Hydroprocessing under the above conditions did not alter the boiling range of the oil much, but all the catalysts brought about hydrogenation of diaromatic material, a concomitant increase in hydroaromatics, and some cracking of polyaromatics. All the catalysts except the Ni-W completely deoxygenated phenolic components. Residual nitrogen compounds were predominantly nonbasic benzo- and dibenzopyrroles.
Rundle页岩油连续加氢处理催化剂性能研究
Rundle页岩油100-400C馏分在400C、13.8 mpa氢气压力、1.0 h/sup -1/ LHSV条件下,使用三种商用硫化物加氢处理催化剂进行处理。Ni-W/SiO/sub 2/-Al/sub 2/O/sub 3/快速失活,Co-Mo/Al/sub 2/O/sub 3/有效,Ni-Mo/Al/sub 2/O/sub 3/最有效。镍钼应允许生产一种良好的替代原油,但不能单步生产成品中间馏分燃料。在上述条件下加氢处理对油的沸点范围没有太大的影响,但所有催化剂都引起了二芳类物质的加氢,伴随的是氢芳烃的增加,以及多芳烃的一些裂解。除Ni-W外,其余催化剂均能完全脱氧酚类成分。残留氮化合物主要是非碱性苯并吡咯和二苯并吡咯。
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