Process for producing metal oxide catalyst

Details Process for producing metal oxide catalyst Process for producing metal oxide catalyst

2008-05-20

2008-05-20

Puttlitz, Karl (Department: 1621)

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

Catalyst or precursor therefor

Metal, metal oxide or metal hydroxide

C502S312000, C562S549000, C558S332000

Reexamination Certificate

active

07375052

ABSTRACT:
The present invention relates to a process for producing a metal oxide catalyst which is suitable for production of acrylic acid or acrylonitrile in one stage by a catalytic oxidation reaction of propane in a high yield.The present invention is characterized by using a fine particle of metallic tellurium obtained by reducing a Te compound with a reductant as a raw material for producing an oxide catalyst including metal elements Mo—V—Nb—Te. The fine particle of metallic tellurium is preferably one containing primary particles having a particle size of not more than 4.0 μm. By using a metal oxide obtained by the process of the present invention, acrylic acid can be produced from propane by a one-stage oxidation reaction in a higher yield not less than 40%.

REFERENCES:
patent: 2006/0047137 (2006-03-01), Tu et al.
patent: 59227703 (1984-12-01), None
patent: 11-226408 (1999-08-01), None

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