Passivating metals on cracking catalysts with zinc

Details Passivating metals on cracking catalysts with zinc Passivating metals on cracking catalysts with zinc

1981-05-13

1982-12-14

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 52CT, 208121, 252411R, 252417, 252422, 252457, 423244, C10G 1102, C10G 1118

Patent

active

043637205

ABSTRACT:
A hydrocarbon cracking catalyst is treated with zinc to passivate contaminant metals, e.g., nickel, copper, vanadium, and iron, which are deposited on the catalyst during the catalytic cracking of hydrocarbon feedstocks.

REFERENCES:
patent: 2436927 (1948-03-01), Kassel
patent: 2901419 (1959-08-01), Brill
patent: 3364136 (1968-01-01), Chen et al.
patent: 4146463 (1979-03-01), Radford et al.
patent: 4153534 (1979-05-01), Vasalos
patent: 4153535 (1979-05-01), Vasalos et al.
patent: 4198287 (1980-04-01), Hemler
patent: 4280898 (1981-07-01), Tatterson et al.

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