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Energy Sources, Part A: Recovery, Utilization, and Environmental Effects Volume 34, 2012 - Issue 24
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Original Articles

Hydrotreatment of Heavy Oil from Direct Coal Liquefaction on a Sulfided Ni-W/AC Catalyst

Z. P. Lei School of Chemistry & Chemical Engineering, Anhui Key Laboratory of Coal Clean Conversion & Utilization, Anhui University of Technology, Ma'anshan, Anhui, China
,
L. J. Gao School of Chemistry & Chemical Engineering, Anhui Key Laboratory of Coal Clean Conversion & Utilization, Anhui University of Technology, Ma'anshan, Anhui, China
,
H. F. Shui School of Chemistry & Chemical Engineering, Anhui Key Laboratory of Coal Clean Conversion & Utilization, Anhui University of Technology, Ma'anshan, Anhui, China
,
Z. C. Wang School of Chemistry & Chemical Engineering, Anhui Key Laboratory of Coal Clean Conversion & Utilization, Anhui University of Technology, Ma'anshan, Anhui, China
&
S. B. Ren School of Chemistry & Chemical Engineering, Anhui Key Laboratory of Coal Clean Conversion & Utilization, Anhui University of Technology, Ma'anshan, Anhui, China
Pages 2287-2295 | Received 27 Apr 2010, Accepted 28 May 2010, Published online: 19 Oct 2012
 
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Abstract

Ni-W catalysts supported on activated carbon and Al2O3 were prepared by an incipient wetness impregnation method and characterized by x-ray diffraction and temperature programmed reduction. Heavy oil (distillation temperature: 320–340°C) derived from the direct coal liquefaction process using Shengli coal were hydrotreated using sulfided Ni-W catalysts at 400°C and 5.0 MPa initial H2 pressure. The results showed that the support had a significant influence on the reducibility of metal oxides, hydrodenitrogenation, and hydrodearomatization activities of coal-derived heavy oil. Ni-W/activated carbon exhibited higher decolor performance and hydrodearomatization activities for upgrading the coal-derived heavy oil than the Ni-W/Al2O3 catalyst.

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