EGGSHELL CATALYST COMPOSITES CONTAINING TUNGSTEN OXIDE OR TUNGSTEN OXIDE HYDRATE
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机译:含氧化钨或氧化钨水合物的蛋壳催化剂复合材料
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摘要
Catalyst composites useful for producing olefins during metathesis reactions, and methods of making and using the same are provided. The catalyst composite may include a support comprising at least about 90% by weight of silica; And an egg shell layer comprising, on the support, about 0.25 to about 10% by weight of tungsten in the form of tungsten oxide or tungsten oxide hydrate based on the total weight of the catalyst composite.
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