Effect of hydrotreating conditions on hydrocracking of a coal derived liquid
Conference
·
OSTI ID:370417
- Auburn Univ., AL (United States)
Several coal derived liquids produced using different hydrotreating severities were hydrocracked to naphtha over a presulfided commercial hydrocracking catalyst (NiMo/zeolite, Akzo KC2600). The feeds had similar boiling range and molecular type distribution but different nitrogen contents. Feed nitrogen content had a significant effect on the hydrocracking activity, activity maintenance, and selectivity. Rapid deactivation was observed for feeds with nitrogen content higher than 50 ppm. For the feed with 50 ppm nitrogen, the gas oil (+205{degrees}C) conversion to naphtha decreased observably in the initial 4 hours. The initial catalytic activity study indicated that first order kinetics can be used to describe the gas oil conversion to naphtha. The initial hydrocracking rate of gas oil was approximately inversely proportional to the feed nitrogen content.
- OSTI ID:
- 370417
- Report Number(s):
- CONF-960376--
- Country of Publication:
- United States
- Language:
- English
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