Bp Chemicals International Limited

Stanley Frederic Marrian

Edward James Gasson

Thomas Charles Krosnar

Thomas Charles Krosnar, Deceased

A heat treated catalyst composition containing antimony and to which has been added an oxide or compound of molybdenum or tungsten in an amount such as to provide from 0.05 to 1.0 atom % of molybdenum or tungsten present, is further promoted by addition of an oxide or compound of uranium and/or vanadium in an amount such as to provide from 0.005 to 0.5 atom % of uranium or vanadium present.

Catalyst composition

Antimony containing catalysts are promoted by addition of small quantities of molybdenum from 0.5 to 1.0 atom%. Preferred compositions to be promoted contain antimony together with tin together with copper and/or iron and/or titanium.

Catalyst compositions

Production of acrylonitrile by ammoxidation of propylene using as catalyst an oxide composition containing antimony, uranium and titanium together with copper, iron and/or vanadium.

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Fife, United Kingdom

Stanley Frederic Marrian