Method for regeneration and activity improvement of syngas conve

Details Method for regeneration and activity improvement of syngas conve Method for regeneration and activity improvement of syngas conve

1978-12-18

1980-06-10

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252419, 2604496R, B01J 2906, B01D 1506

Patent

active

042072085

ABSTRACT:
A method is disclosed for the treatment of single particle iron-containing syngas (synthes.s gas) conversion catalysts comprising iron, a crystalline acidic aluminosilicate zeolite having a silica to alumina ratio of at least 12, a pore size greater than about 5 Angstrom units and a constraint index of about 1-12 and a matrix. The catalyst does not contain promoters and the treatment is applicable to either the regeneration of said spent single particle iron-containing catalyst or for the initial activation of fresh catalyst. The treatment involves air oxidation, hydrogen reduction, followed by a second air oxidation and contact of the iron-containing single particle catalyst with syngas prior to its use for the catalytic conversion of said syngas. The single particle iron-containing catalysts are prepared from a water insoluble organic iron compound.

REFERENCES:
patent: 2728786 (1955-12-01), McGrath et al.
patent: 2786817 (1957-03-01), Rottig et al.
patent: 3684738 (1972-08-01), Chen
patent: 4086262 (1978-04-01), Chang et al.

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