Oxidation of butane to maleic anhydride
AssigneeStandard Oil Company (Indiana)
InventorsCarl A. Udovich, Bernard L. Meyers
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Abstract
A novel catalyst for the oxidation of butane to produce maleic anhydride comprising a phosphorus and vanadium mixed oxide wherein the catalyst is prepared by using an organic medium and has a specific phase identified by characteristic X-ray pattern. A process for the manufacture of maleic anhydride from butane feedstock utilizing the novel catalyst.
Claims7
A catalyst for the production of maleic anhydride by the oxidation of butane which comprises a phosphorus-vanadium mixed oxide, the atomic ratio of vanadium to phosphorus being in the range of 0.5:1 to 1.25:1 wherein the catalyst has a characteristic powder X-ray diffraction pattern using copper K alpha radiation as follows:
- ______________________________________ Line Position angstrom 2..theta. degrees Intensity ______________________________________ 5.7 15.6 67 4.5 19.7 47 3.7 24.3 36 3.3 27.1 53 3.1 28.8 26 2.9 30.5 100 2.8 32.2 17 2.7 33.7 20 ______________________________________
Dependencies are inferred from the claim text.