Passivating metals on cracking catalysts

Details Passivating metals on cracking catalysts Passivating metals on cracking catalysts

1976-08-12

1977-05-24

Douglas, Winston A.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

208 48AA, 208113, 208114, 208120, 252411R, 252414, 260446, B01J 2120, C10G 1104, C07F 990

Patent

active

040254585

ABSTRACT:
Metals on a cracking catalyst are passivated by contacting the catalyst with at least one compound selected from the group of compounds having the general formula ##STR1## WHEREIN THE R groups which can be the same or different consist of hydrocarbyl radicals having 1 to about 18 carbon atoms per radical, the overall number of carbon atoms per molecule being 6 to about 90.

REFERENCES:
patent: 2758097 (1956-08-01), Doherty et al.
patent: 3396183 (1968-08-01), Brasch
patent: 3513094 (1970-05-01), Farmer et al.
patent: 3711422 (1973-01-01), Johnson et al.
patent: 3776835 (1973-12-01), Dvoracek
patent: 3840463 (1974-10-01), Froeschmann et al.

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