Gas making calcined catalyst precursors of nickel, alumina, sodi

Details Gas making calcined catalyst precursors of nickel, alumina, sodi Gas making calcined catalyst precursors of nickel, alumina, sodi

1979-06-18

1981-02-10

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

B01J 2104, B01J 2378

Patent

active

042500605

ABSTRACT:
A catalyst precursor which when reduced can produce a catalyst suitable for the high pressure gasification of heavy hydrocarbons to produce methane-containing gases comprises a calcined coprecipitated-alumina containing from 50-65% Ni precursor. 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, precursor (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 catalyst precursors 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. The final 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.
patent: 4104201 (1978-08-01), Banks et al.

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