Removal of contaminating metals from FCC catalyst by NH.sub.4 ci

Details Removal of contaminating metals from FCC catalyst by NH.sub.4 ci Removal of contaminating metals from FCC catalyst by NH.sub.4 ci

1980-05-27

1981-07-28

Gantz, Delbert E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 52CT, 208120, 252411R, 252412, 252414, C10G 1100

Patent

active

042808979

ABSTRACT:
A contaminating metal on a cracking catalyst used for the cracking of hydrocarbons is removed by contacting the catalyst with a chelating agent which forms chelates with the contaminating metal. The chelates containing the contaminating metal may be readily separated from the catalyst.

REFERENCES:
patent: 2693455 (1954-11-01), Smith et al.
patent: 2921018 (1960-01-01), Helmers et al.
patent: 3252918 (1966-05-01), Disengna et al.
patent: 3324044 (1967-06-01), Oberhofer
patent: 3663429 (1972-05-01), Vallino
patent: 4013546 (1977-03-01), Suggitt et al.
patent: 4025458 (1977-05-01), McKay
patent: 4148750 (1979-04-01), Pine

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