Precursor for forming metal carbide catalysts

Details Precursor for forming metal carbide catalysts Precursor for forming metal carbide catalysts

1994-02-24

1995-09-19

McFarlane, Anthony

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

Catalyst or precursor therefor

Inorganic carbon containing

423352, 423437R, 423439, 423440, 423441, 423442, B01J 2330

Patent

active

054515572

ABSTRACT:
A process for forming a metal carbide catalyst, for example, a Group VIB transition metal carbide, such as tungsten carbide, which may be on a support, which process comprises the calcination of a precursor comprising a water soluble salt of: (1) a cation comprising nitrogen-hydrogen bonded moieties, such as a guanidine cation; and (2) an anion, such as a tungstate anion, comprising metal-oxygen bonded moieties, so that upon calcination the product formed is the metal carbide and the by-products comprise ammonia and carbon dioxide.

REFERENCES:
patent: 4155928 (1979-05-01), Finch
patent: 4950626 (1990-08-01), Birchall et al.
patent: 5196389 (1993-03-01), Dubots et al.
patent: 5256451 (1993-10-01), Philipp et al.
patent: 5321161 (1994-06-01), Vreugdenhil et al.
patent: 5338716 (1994-08-01), Triplett et al.
Chemische Berichte vol. 98, pp. 3588-3599 (1965).
Inorganic Chemistry, vol. 10, No. 12, 1971, pp. 2745-2750.

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