A device for separating and extracting selenium from selenium-tellurium

Abstract

The utility model relates to metallurgical technical field discloses a device for selenium tellurium separation extraction refined selenium, including base, the base upper end one side fixed mounting is used for carrying out oxidation reduction reaction's reaction kettle, the reaction kettle upper end face one side fixedly connected with the storage kettle for storing oxidizing agent, the base upper end face fixedly connected with the gas extraction assembly for absorbing the gas in reaction kettle. The utility model discloses gas extraction assembly through the gas pump will be excessive sulfur dioxide of oxidation reduction reaction absorption to the processing jar, avoid the acidity of excessive sulfur dioxide and the reaction reverse and carry out, ensure selenium reduction rate, improve the reaction rate, can reduce selenium tellurium coprecipitation and the generation of toxic hydrogen selenide simultaneously, improve refined selenium purity, and the gas absorption to the processing jar can be through the treatment of alkaline treatment liquid and activated carbon board, prevent sulfur dioxide emission pollution processing environment, avoid the harm to the health of operator.

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