Heavy oil catalytic cracking process and apparatus

Details Heavy oil catalytic cracking process and apparatus Heavy oil catalytic cracking process and apparatus

1989-04-10

1991-03-19

Konopka, Paul E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208150, 208159, 208164, 422144, 502 40, 502 44, C10G 1118, C10G 1105, B01J 3832, B01J 3838

Patent

active

050008412

ABSTRACT:
A fluidized catalytic cracking process operates with a hot stripper to improve stripping of spent catalyst from the FCC process. The catalyst from the hot stripper is cooled by direct contact heat exchange with a source or cooled regenerated catalyst. Cooled catalyst may contact hot, stripped catalyst in the base of the stripper or downstream of the stripper. The cooled, stripped catalyst has reduced hydrogen, sulfur and coke content, improves regeneration efficiency, and reduces hydrothermal degradation of catalyst.

REFERENCES:
patent: 3351548 (1967-11-01), Payne et al.
patent: 3821103 (1974-06-01), Owen et al.
patent: 4353812 (1982-10-01), Lomas et al.
patent: 4820404 (1989-04-01), Owen
patent: 4840928 (1989-06-01), Harandi et al.
patent: 4917790 (1990-04-01), Owen

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