Method for wet processing of high antimony-lead anode mud
The invention discloses a method for wet processing of high antimony-lead anode mud, which comprises the following steps: putting high antimony-lead anode mud of which the content of antimony generated during the lead electrolysis is between 40% and 75% in hydrochloric aid medium, adopting two-secti...
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| creator | DENG CHONGJIN YE YOUMING ZHENG GUOQU LIAO CHUNTU CHEN JINZHONG CAO HUAZHEN WANG XUEHONG |
| description | The invention discloses a method for wet processing of high antimony-lead anode mud, which comprises the following steps: putting high antimony-lead anode mud of which the content of antimony generated during the lead electrolysis is between 40% and 75% in hydrochloric aid medium, adopting two-section electric potential control of chlorination leaching, wherein oxidation-reduction potential of the end point of the first section chlorination leaching is controlled to be between 200-300mv, while oxidation-reduction potential of the end point of the second chlorination leaching is controlled to be 400-450mv, and 99.5% of golden and 99% of silver are enriched in the slag of the second chlorination leaching and can be subjected to further process. The silicofluoric acid in the first section chloridizing leachate is evaporated by concentration and distillation, the high-purity antimony butter is prepared from distilled and concentrated mother liquor by a continuous distillation method, and the yield of antimony met |
| format | Patent |
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| subjects | CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F FERROUS OR NON-FERROUS ALLOYS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INORGANIC CHEMISTRY METALLURGY PRETREATMENT OF RAW MATERIALS PRODUCTION AND REFINING OF METALS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF ALLOYS OR NON-FERROUS METALS |
| title | Method for wet processing of high antimony-lead anode mud |
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