Attenuation of metal contaminants on cracking catalyst with a bo

Details Attenuation of metal contaminants on cracking catalyst with a bo Attenuation of metal contaminants on cracking catalyst with a bo

1980-03-10

1981-10-20

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208113, 208 52CT, 208114, 252411R, C10G 1104

Patent

active

042959551

ABSTRACT:
A contaminating metal on cracking catalyst used for the cracking of hydrocarbons is attenuated by contacting the catalyst with a boron compound at attenuation reaction conditions. The source of the contaminating metal may be the feedstock or residual metals resulting from the synthesis of the catalyst. The passivation is effected by impregnation with an aqueous solution of a water soluble boron compound, preferably in a separate passivation zone.

REFERENCES:
patent: 2564268 (1951-08-01), Mathy et al.
patent: 2579133 (1951-12-01), Warner et al.
patent: 2636845 (1953-04-01), Richardson et al.
patent: 2901419 (1959-08-01), Brill
patent: 3297565 (1967-01-01), Garwood et al.
patent: 4088706 (1978-05-01), Kaeding
patent: 4192770 (1980-03-01), Singleton

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