Importance

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Abstract

Catalyst support materials, catalysts, methods of making such and uses thereof are described. Methods of making catalyst support material include combining anatase titanic slurry with i) a low molecular weight form of silica; and ii) a source of Mo to form a TiO₂—MoO₃-SiO₂ mixture. Catalyst support material include from about 86% to about 94% weight anatase titanium dioxide; from about 0.1% to about 10% weight MoO₃; and from about 0.1% to about 10% weight SiO₂. Low molecular weight forms of silica include forms of silica having a volume weighted median size of less than 4 nm and average molecular weight of less than 44,000, either individually or in a combination of two or more thereof. Catalyst include such catalyst support material with from about 0.1 to about 3% weight of V₂O₅ and optionally from about 0.01% to about 2.5% weight P.

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First Claim