FCC riser discharge separation and quench

Details FCC riser discharge separation and quench FCC riser discharge separation and quench

1990-11-30

1993-06-08

Myers, Helane

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Solids contacting and mixing

208 48Q, 208153, 208127, 208146, 208113, C10G 1118

Patent

active

052176029

ABSTRACT:
In a fluid catalytic cracking (FCC) process riser reactor effluent is rapidly separated into spent catalyst and hydrocarbon product. The separated hydrocarbon product is immediately quenched to an unreactive temperature in the absence of quenching spent catalyst. An increase in debutanized naphtha yield is achieved. By avoiding catalyst quenching, heat duty is saved in the catalyst regenerator.

REFERENCES:
patent: 2583696 (1952-01-01), Held et al.
patent: 2906695 (1959-09-01), Boston
patent: 3074878 (1963-01-01), Pappas
patent: 4606814 (1986-08-01), Haddad et al.
patent: 4764268 (1988-08-01), Lane
patent: 4988430 (1991-01-01), Sechrist et al.

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