Catalytic cracking

Details Catalytic cracking Catalytic cracking

1980-02-05

1982-01-12

Davis, Curtis R.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Solids contacting and mixing

208164, 422214, C10G 1118

Patent

active

043104118

ABSTRACT:
In a transfer line catalytic cracking reaction system having a riser-reactor provided with a vertical section and a horizontal section, the improvement for minimizing erosion in the system which comprises cracking with a high velocity of reactant and catalyst in the vertical portion of the riser and a lower velocity in the lateral or horizontal section of the reactor prior to introduction of reactant effluent into catalyst separation zone(s).

REFERENCES:
patent: 2901420 (1959-08-01), Evans
patent: 3041273 (1962-06-01), Smith et al.
patent: 3607127 (1971-09-01), Pfeiffer
patent: 4064038 (1977-12-01), Vermilion
patent: 4070159 (1978-01-01), Myers et al.
patent: 4149964 (1979-04-01), Bartholic
patent: 4219407 (1980-08-01), Haddad et al.

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