Hydrotreating and hydrocracking process and apparatus

Details Hydrotreating and hydrocracking process and apparatus Hydrotreating and hydrocracking process and apparatus

2011-08-23

2011-08-23

Griffin, Walter D (Department: 1774)

Mineral oils: processes and products

Chemical conversion of hydrocarbons

With preliminary treatment of feed

C208S057000, C208S078000, C208S108000, C208S113000, C208S212000, C208S213000

Reexamination Certificate

active

08002967

ABSTRACT:
Partial conversion hydrocracking process comprising the steps of (a) hydrotreating a hydrocarbon feedstock with a hydrogenrich gas to produce a hydrotreated effluent stream comprising a liquid/vapor mixture and separating the liquid/vapor mixture into a liquid phase and a vapor phase, and (b) separating the liquid phase into a controlled liquid portion and an excess liquid portion, and (c) combining the vapor phase with the excess liquid portion to form a vapor plus liquid portion, and (d) separating an FCC feed-containing fraction from the controlled liquid portion and simultaneously hydrocracking the vapor plus liquid portion to produce a dieselcontaining fraction, or hydrocracking the controlled liquid portion to produce a diesel-containing fraction and simultaneously separating a FCC feed-containing fraction from the vapor plus liquid portion. The invention also includes an apparatus for carrying out the partial conversion hydrocracking process.

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patent: WO 02/31087 (2002-04-01), None

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