Method for treating dewaxing catalysts

Details Method for treating dewaxing catalysts Method for treating dewaxing catalysts

1988-05-02

1990-01-09

Konopka, Paul E.

Mineral oils: processes and products

Chemical conversion of hydrocarbons

Cracking

208 55, 208120, 502 30, 502 31, 502 53, 585467, 585475, 585485, C10G 1105, C10G 4720, C10G 4718, B01J 2938

Patent

active

048926469

ABSTRACT:
A method for treating a porous crystalline catalyst optionally associated with a metal component such as a noble and/or base metal(s) is described. The method comprises contacting the catalyst with a low molecular weight aromatic compound under coking conditions. Such a treatment method increases the cycle length and the useful life of the catalyst. Using the treated catalyst in a dewaxing process and regenerating the catalyst by treating with hydrogen and a low molecular weight hydrocarbon.

REFERENCES:
patent: 3254021 (1966-05-01), Mason et al.
patent: 3424671 (1969-01-01), Kay
patent: 3505207 (1970-04-01), Haney et al.
patent: 3565820 (1971-02-01), Coons, Jr. et al.
patent: 4358395 (1982-11-01), Haag et al.
patent: 4541919 (1985-09-01), La Pierre et al.

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