Method of preparing and filtering coprecipitated nickel-alumina

Details Method of preparing and filtering coprecipitated nickel-alumina Method of preparing and filtering coprecipitated nickel-alumina

1976-07-12

1978-08-08

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

48214A, 260449M, 2604496M, 423654, B01J 2104, B01J 2378, B01J 3702, C01B 214

Patent

active

041055918

ABSTRACT:
A catalyst suitable for the high pressure gasification of heavy hydrocarbons to produce methane-containing gases is a calcined coprecipitated-alumina containing from 50- 65% Ni on a calcined unreduced basis. The catalyst contains (1) from 0 to not more than 0.43% K and from 0 to not more than 0.1% Na, (2) the combined weights of Na+ K does not exceed 0.011 gm atoms/100 gm of catalyst, (3) the ratio of Na:K falls within the area defined by ABCDEO in FIG. 1 of the drawings and (3) at combined Na+ K weights of from 0 to 0.05% the water loss is not more than 11.2%.
The catalysts are prepared with the aid of a filtering aid selected from (NH.sub.4).sub.2 CO.sub.3, Na.sub.2 CO.sub.3, K.sub.2 CO.sub.3, Na NO.sub.3 or K NO.sub.3 to obtain low levels of alkali in the precursor. The catalyst may be employed for steam reforming reactions to produce methane-containing gases.

REFERENCES:
patent: 3320182 (1967-05-01), Taylor et al.
patent: 3759678 (1973-09-01), Chamberland et al.
patent: 3926584 (1975-12-01), Adsetts
patent: 3950368 (1976-04-01), Broeker et al.
patent: 3988263 (1976-10-01), Hansford
patent: 4005996 (1977-02-01), Hausberger et al.

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