Method for leaching antimony oxide materials and electrodeposition-producing metalic antimony through tartaric acid system

A technology of tartaric acid and antimony oxide, which is applied in the improvement of process efficiency, photography process, instruments, etc., can solve problems such as corrosion, and achieve the effect of less reagent consumption, less corrosiveness, and clean extraction.
CN110629042AActive Publication Date: 2019-12-31合肥龙之韵医药技术有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
合肥龙之韵医药技术有限公司
Publication Date
2019-12-31

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Abstract

The invention belongs to the field of nonferrous metallurgy, and particularly discloses a method for leaching antimony oxide materials and electrodeposition-producing metalic antimony through a tartaric acid system. The method includes the steps that firstly, the antimony oxide materials are subjected to clean leaching with tartaric acid-sodium tartrate, antimony-rich leachate and leaching residues are obtained, the leachate is cooled, subjected to impurity removal and purified, purified liquid is subjected to diaphragm electrodeposition to electro-deposite the antimony, antimony pieces and tartaric acid electrolyte are obtained, and the obtained electrolyte returns to leach antimony oxide. The process is a novel separation and extraction method for the antimony oxide materials, strong acid and strong alkali adopted in the traditional process are omitted, the more moderate and edible tartaric acid system is adopted, equipment corrosion is reduced, the production environment is improved, the recovery rate of the antimony reaches 96% or above, and clean extraction of all antimony oxide resources can be achieved.
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Description

technical field

[0001] The invention belongs to the field of non-ferrous metal metallurgy, and more specifically relates to a method for leaching antimony oxide materials with a tartaric acid system and producing metal antimony by electrowinning. Background technique

[0002] Antimony is a rare heavy metal, which is widely used in the fields of alloy materials, chemical flame retardant, and building materials. It has been mined and smelted for more than 100 years. The raw materials for smelting antimony are mainly sulfide ore. During the smelting process of bismuth, antimony-containing soot will be produced, mainly antimony oxide. At present, the main production method is still the blast furnace volatilization roasting (smelting)-reduction smelting process that has been used for more than 50 years. This process has strong adaptability to raw materials, is suitable for processing high-grade antimony concentrates, and produces low-concentration SO 2 Disadvantages such as flue...

Claims

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