Apparatus for hydrocracking and/or hydrogenating fossil fuels

Details Apparatus for hydrocracking and/or hydrogenating fossil fuels Apparatus for hydrocracking and/or hydrogenating fossil fuels

2005-11-01

2005-11-01

Doroshenk, Alexa (Department: 1764)

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Fluidized bed

C422S139000, C422S147000, C422S232000, C422S236000, C261S114200, C261S126000

Reexamination Certificate

active

06960325

ABSTRACT:
A catalytic hydrocracking reactor vessel for the conversion of a hydrogen gas and fossil fuel feedstream to light liquid hydrocarbons. The reactor vessel comprises reactor cup riser with a helical cyclonic separator conduit for separating a liquid and vapor product stream to provide an essentially vapor-free liquid recycle stream, a grid plate bubble cap with a tapered bell cap wall housing having serrated edges for producing small hydrogen bubbles of increased total surface area of bubbles at lower pressure drop, optionally a feedstream inlet pipe sparger containing rows of downward directed slots for even distribution of the feedstream across the cross-sectional area of the reactor and providing free drain of solid particles from the sparger, and optionally a liquid recycle inlet distributor containing vertically curved plates for creating a whirling motion in the liquid recycle stream for better mixing with the feedstream with minimal solids settling.

REFERENCES:
patent: 1776032 (1930-09-01), Kobernik
patent: 4702891 (1987-10-01), Li et al.
patent: 4764347 (1988-08-01), Milligan
patent: 5066467 (1991-11-01), Chan
patent: 5723041 (1998-03-01), Devanathan et al.

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