Tungsten Trioxide in Catalytic Materials Application

Nano tungsten trioxide has a larger surface effect, is an important catalytically active material. It has good catalytic performance, but also for both primary catalyst co-catalysts. And it has the high selectivity with other corresponding reaction. After some related studies, it was found that the reduction or doped of WO3 join the active ingredient or modified will enhance its catalytic properties. Because the catalytic properties and physicochemical properties of WO3 was influent by incineration temperature, the preparation method so it can be used for hydrodesulfurization process, selective catalytic reduction of NOx, ectopic of olefins and other reactions. Acidic tungsten-based catalysts can be applied paraffins isomerization. Photocatalytic tungsten trioxide is a new field of catalysis. Many different semiconductor material is used as a photocatalyst for the decomposition of water into hydrogen and oxygen, light energy conversion rate of tungsten trioxide is not high, but because of simple preparation process of high purity WO3, near UV and light-emitting area has a strong the absorbent, the electrolyte can be maintained in a variety of long-term stability, which are made as a photocatalyst WO3 can exhibit better performance.

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