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Recovery of rhenium from a spent catalyst via sublimation
Recovery of rhenium from a spent catalyst via sublimation
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机译:通过升华从废催化剂中回收of
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摘要
This invention provides a method for recovering rhenium oxide from a material containing rhenium by itself or rhenium in combination with some other element, such as an element catalytically active for a catalytic process, such as hydrogenation, oxidation, reforming, and hydrocracking. The method includes conversion of rhenium to a sublimable oxide via oxidation, heating in an oxidizing atmosphere to sublime the oxide as a volatized oxide, and then isolation of rhenium from the volatized oxide.
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