Separating method of waste copper-nickel alloy

The invention relates to a separating method of a waste copper-nickel alloy. The method comprises the following steps of: preparing a saltpeter solution, adding excess copper-nickel alloy in the saltpeter solution, standing for 10-30 minutes when the reaction is mild and the solution is neutral at t...

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description The invention relates to a separating method of a waste copper-nickel alloy. The method comprises the following steps of: preparing a saltpeter solution, adding excess copper-nickel alloy in the saltpeter solution, standing for 10-30 minutes when the reaction is mild and the solution is neutral at the time, separating the un-reacted alloy block, filtering a product, magnetizing and screening to obtain simple substance copper, and adding a copper-nickel alloy in filtrate to soak in the saltpeter solution to circulate, thereby separating the copper-nickel alloy. The method provided by the invention can be used for separating a copper-nickel alloy with reduced production cost, mild reaction condition, high separation efficiency and less influence to environment.
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subjects CHEMISTRY
CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS
FERROUS OR NON-FERROUS ALLOYS
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
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 Separating method of waste copper-nickel alloy
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