Comprehensive recovery method and application of thallium-copper-nickel sulfide slag

Comprehensive recovery method and application of thallium-copper-nickel sulfide slag

The invention provides a comprehensive recovery method and application of thallium-copper-nickel sulfide slag, and the comprehensive recovery method comprises the following steps: (1) roasting the thallium-copper-nickel sulfide slag to obtain a roasted product; (2) mixing the roasted product with an...

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Hauptverfasser: FU ZHONGMENG, ZHANG RONGRONG, LIU YONGQI, LI CHANGDONG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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creator FU ZHONGMENG
ZHANG RONGRONG
LIU YONGQI
LI CHANGDONG
description The invention provides a comprehensive recovery method and application of thallium-copper-nickel sulfide slag, and the comprehensive recovery method comprises the following steps: (1) roasting the thallium-copper-nickel sulfide slag to obtain a roasted product; (2) mixing the roasted product with an organic leaching agent, and leaching to obtain nickel-copper oxidizing slag and a thallium-containing leaching solution; (3) the nickel-copper oxidizing slag is subjected to acid leaching, and nickel-copper leaching liquid and waste slag are obtained; and (4) the nickel-copper leaching solution and nickel powder are mixed for a replacement reaction, and a nickel salt solution and spongy copper are obtained. The invention designs a recovery method with a simple process, thallium pollution is reduced, thallium recovery is realized, and nickel and copper in the sulfide slag are subjected to resource recovery, so that the hazardous waste sulfide slag is turned into wealth, the pollution to the environment is reduced,
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subjects CHEMISTRY
FERROUS OR NON-FERROUS ALLOYS
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title Comprehensive recovery method and application of thallium-copper-nickel sulfide slag
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