PROCESS FOR LEACHING MATERIAL CONTAINING ZINC OXIDE, ZINC SILICATE AND/OR ZINC FERRITE

PROCESS FOR LEACHING MATERIAL CONTAINING ZINC OXIDE, ZINC SILICATE AND/OR ZINC FERRITE

FIELD: recovery to zinc from material containing zinc oxide and silicates. SUBSTANCE: as it follows from the claimed process, zinc compounds are leached under conditions when silicates remain insoluble and hence, there arise no filtration problems. Silicate-containing deposit is treated using Waelz...

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1. Verfasser: SIGMUND PEDER FUGLEBERG
Format: Patent
Sprache:eng
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CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
FERROUS OR NON-FERROUS ALLOYS
INORGANIC CHEMISTRY
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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description FIELD: recovery to zinc from material containing zinc oxide and silicates. SUBSTANCE: as it follows from the claimed process, zinc compounds are leached under conditions when silicates remain insoluble and hence, there arise no filtration problems. Silicate-containing deposit is treated using Waelz method so that main bulk of silicic acid contained in silicates is bound to form cupola slag resulting from Waelz process, and zinc is directed for leaching substantially in the form of oxide. EFFECT: simplified process, reduced power consumption and improved ecology. 6 cl, 3 dwg
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subjects CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
FERROUS OR NON-FERROUS ALLOYS
INORGANIC CHEMISTRY
METALLURGY
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
title PROCESS FOR LEACHING MATERIAL CONTAINING ZINC OXIDE, ZINC SILICATE AND/OR ZINC FERRITE
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