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Effects of feed boiling range on hydrotreating of Wyodak and Illinois ITSL oils

Conference ·
OSTI ID:5965837
Syncrudes produced from Illinois No. 6 and Wyodak coals in the Integrated Two-Stage Liquefaction (ITSL) process were upgraded in pilot plant tests by hydrotreating with Chevron's commercial ICR 106 catalyst. Syncrudes with end points ranging from 725/sup 0/F to 900/sup 0/F were studied. In this range, relatively small increases in end point made the oils much harder to upgrade. Therefore, the hydrotreating severity had to be increased for the higher end point oils to make a product of a given quality. In all cases, however, we found commercially feasible conditions to remove virtually all of the heteroatom impurities. At a given feed end point, processing severities required for Illinois and Wyodak oils were about the same. In this paper, we compare properties of the Illinois and Wyodak ITSL oils and their products. The high density jet fuel and diesel products are of particular interest because of their high volumetric energy contents. 5 refs., 8 figs., 8 tabs.
Research Organization:
Chevron Research Co., Richmond, CA (USA)
DOE Contract Number:
AC22-76ET10532
OSTI ID:
5965837
Report Number(s):
CONF-8511136-5; ON: DE86009494
Country of Publication:
United States
Language:
English