Ammoxidation catalyst for use in producing acrylonitrile or meth

Details Ammoxidation catalyst for use in producing acrylonitrile or meth Ammoxidation catalyst for use in producing acrylonitrile or meth

1999-05-05

2000-11-07

McKane, Joseph K.

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

Catalyst or precursor therefor

Phosphorus or compound containing same

502312, 558318, 558319, B01J 2719, C07C25324

Patent

active

061436909

ABSTRACT:
An ammoxidation catalyst for use in producing acrylonitrile or methacrylonitrile from propane or isobutane, which comprises a compound oxide and a silica carrier having supported thereon the compound oxide, wherein the compound oxide comprises molybdenum, vanadium, niobium and at least one element selected from the group consisting of tellurium and antimony, and wherein the alkali metal content of the ammoxidation catalyst is extremely small or substantially zero, and a process for producing acrylonitrile or methacrylonitrile by using the ammoxidation catalyst. By the use of the ammoxidation catalyst of the present invention, acrylonitrile or methacrylonitrile can be produced in high yield, as compared to the yield achieved by conventional ammoxidation catalysts containing a silica carrier.

REFERENCES:
patent: 5422328 (1995-06-01), Ushikubo et al.

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