Catalyst – solid sorbent – or support therefor: product or process – Catalyst or precursor therefor – Phosphorus or compound containing same
Patent
1990-02-22
1991-02-26
Shine, W. J.
Catalyst, solid sorbent, or support therefor: product or process
Catalyst or precursor therefor
Phosphorus or compound containing same
B01J 27198
Patent
active
049961799
ABSTRACT:
A catalyst comprising a phosphorus-vanadium mixed oxide and existing in the form of geometric shapes, such as tablets, provides minimum expansion of the geometric shapes under process reaction conditions, since the catalyst in the form of said geometric shapes has been heated in an inert atmosphere at a temperature within the range of about 343.degree. C. (650.degree. F.) to about 704.degree. C. (1,300.degree. F.) prior to being exposed to an oxygen-containing atmosphere at an elevated temperature. This catalyst is suitable for the oxidation of a hydrocarbon, such as benzene or n-butane, to maleic anhydride.
REFERENCES:
patent: 3977998 (1976-08-01), Freerks et al.
patent: 4396535 (1983-08-01), Bremer et al.
patent: 4699895 (1987-10-01), Edwards
Eryman William S.
Haddad Muin S.
Meyers Bernard L.
Amoco Corporation
Blumberg Gunar J.
Magidson William H.
Medhurst Ralph C.
Shine W. J.
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