Process for in-situ regeneration of aged methanol catalysts

Details Process for in-situ regeneration of aged methanol catalysts Process for in-situ regeneration of aged methanol catalysts

1989-04-28

1991-04-02

Konopka, Paul E.

Catalyst, solid sorbent, or support therefor: product or process

Regenerating or rehabilitating catalyst or sorbent

Gas or vapor treating

502 49, 518709, 518713, B01J 2394, B01J 3818, C07C 2916

Patent

active

050047175

ABSTRACT:
A process is provided for regenerating aged copper-containing coprecipitated methanol synthesis catalyst. The process includes treating the aged catalyst in an oxidizing atmosphere according to a specified time-temperature ramp, then in a reducing atmosphere. The oxidation-reduction cycle may be repeated as needed. An advantage of the invention is that the catalyst may be regenerated in situ in the same vessel in which the catalyst is utilized to make alcohol.

REFERENCES:
patent: 4623668 (1986-11-01), Broecker et al.
patent: 4801574 (1989-01-01), Brown et al.
patent: 4855267 (1989-08-01), Cheng

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