Temporary shutdown of co-combustion devices

Details Temporary shutdown of co-combustion devices Temporary shutdown of co-combustion devices

1979-01-08

1980-10-07

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208113, 208164, 252417, C10G 1104, B01J 824

Patent

active

042267013

ABSTRACT:
A metal combustion promoter is introduced into the circulating inventory of catalyst in the catalytic cracking process to temporarily change the operating mode of the regenerator and decrease the CO content of the flue gas, thus permitting temporary shutdown of the CO-boiler of CO-incinerator, while continuing operation of the catalytic cracking process. The metal combustion promoters are compounds of platinum, iridium, osmium, palladium, rhodium, ruthenium, or rhenium. The described technique permits rapid shutdown and minimizes the time of operation outside of compliance with local or other ordinances.

REFERENCES:
patent: 3849291 (1974-11-01), Owen et al.
patent: 4006075 (1977-02-01), Luckenbach
patent: 4064037 (1977-12-01), Graven et al.
patent: 4064039 (1977-12-01), Penick
patent: 4072600 (1978-02-01), Schwartz
patent: 4108795 (1978-08-01), Hemler et al.
patent: 4118339 (1978-10-01), Latos
patent: 4146464 (1979-03-01), Graven et al.
patent: 4148751 (1979-04-01), Hemler et al.
patent: 4152292 (1979-05-01), Conner et al.

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