Comprehensive treatment method for lead-antimony-bismuth-containing material of copper-lead anode slime
The invention discloses a comprehensive treatment method for a lead-antimony-bismuth-containing material of copper-lead anode slime. The comprehensive treatment method comprises the following steps of copper anode slime pretreatment, mixing smelting blowing, primary vacuum distillation separation an...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a comprehensive treatment method for a lead-antimony-bismuth-containing material of copper-lead anode slime. The comprehensive treatment method comprises the following steps of copper anode slime pretreatment, mixing smelting blowing, primary vacuum distillation separation and lead-bismuth and copper-silver separation, secondary vacuum distillation separation and copper-silver separation, tellurium removal through alkali addition and lead removal through chlorination. According to the method, smelting slag and converting slag of materials containing lead, antimony and bismuth generated by a copper anode slime treatment process are merged into a lead anode slime treatment system to form a mixture with balanced contents of lead, antimony, bismuth, copper, silver, tellurium and other metals for centralized treatment, and valuable metals such as copper, silver and tellurium can be captured by lead, antimony and bismuth, so that the copper, silver and tellurium are recovered to the maximum |
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