Hydrocracking process

Details Hydrocracking process Hydrocracking process

1998-09-29

2000-08-22

Myers, Helane E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Plural serial stages of chemical conversion

208 59, C10G 4500

Patent

active

06106694&

ABSTRACT:
A hydrocracking process wherein a hydrocarbonaceous feedstock and a hot hydrocracking zone effluent containing hydrogen is passed to a denitrification and desulfurization reaction zone to produce hydrogen sulfide and ammonia to thereby clean up the fresh feedstock. The resulting hot, uncooled effluent from the denitrification and desulfurization zone is hydrogen stripped in a stripping zone maintained at essentially the same pressure as the preceding reaction zone with a hydrogen-rich gaseous stream to produce a vapor stream comprising hydrogen, hydrocarbonaceous compounds boiling at a temperature below the boiling range of the fresh feedstock, hydrogen sulfide and ammonia, and a liquid hydrocarbonaceous stream.

REFERENCES:
patent: 4243519 (1981-01-01), Schorfeide
patent: 4720337 (1988-01-01), Graziani et al.
patent: 4950384 (1990-08-01), Groenveld
patent: 4954241 (1990-09-01), Kukes et al.
patent: 5705052 (1998-01-01), Gupta
patent: 5720872 (1998-02-01), Grupta

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