Method for resourceful treatment and comprehensive utilization of low-nickel high-impurity element material

Method for resourceful treatment and comprehensive utilization of low-nickel high-impurity element material

The invention discloses a method for resourceful treatment and comprehensive utilization of a low-nickel high-impurity element material. The low-nickel high-impurity-element material can be cobalt-nickel hydrometallurgy intermediate slag, various recycled nickel-containing catalysts which are calcin...

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Hauptverfasser: CHANG XUEJIE, OU YUEHONG, ZHANG HONGKE, LI NA, LI YUNZHAO, GENG HAOYAO
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 CHANG XUEJIE
OU YUEHONG
ZHANG HONGKE
LI NA
LI YUNZHAO
GENG HAOYAO
description The invention discloses a method for resourceful treatment and comprehensive utilization of a low-nickel high-impurity element material. The low-nickel high-impurity-element material can be cobalt-nickel hydrometallurgy intermediate slag, various recycled nickel-containing catalysts which are calcined to remove organic matters, nickel-containing electroplating sludge and the like. The method mainly comprises the following steps: pretreatment, oxidation and acid leaching, neutralization and precipitation of leachate, curing of part of neutralized and precipitated slag by sulfuric acid to remove silicon, copper removal by a copper extraction agent LIX984, nickel enrichment by a nickel special-effect extraction agent HBL110, aluminum removal by alkalization of neutralized and precipitated slag in a sodium carbonate aqueous solution, and chromium removal of neutralized and precipitated slag in the sodium carbonate aqueous solution. According to the method, good economic benefits and environmental benefits are obt
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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 Method for resourceful treatment and comprehensive utilization of low-nickel high-impurity element material
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