Process for the extraction of metal values and novel metal extractants

Metal values are extracted from aqueous solutions containing halide or pseudohalide anion using 1,1'-substituted 2,2'-biimidazole or bibenzimidazole compounds. Useful for the solvent extraction of zinc and copper from chloride leach solutions.

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Bibliographic Details
Main Authors DEVONALD; DAVID P, STEWART; DAVID, QUAN; PETER M, NELSON; ANTHONY J
Format Patent
LanguageEnglish
Published 18.04.1989
Edition4
Subjects
CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
FERROUS OR NON-FERROUS ALLOYS
HETEROCYCLIC COMPOUNDS
INORGANIC CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
SEPARATION
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Summary:Metal values are extracted from aqueous solutions containing halide or pseudohalide anion using 1,1'-substituted 2,2'-biimidazole or bibenzimidazole compounds. Useful for the solvent extraction of zinc and copper from chloride leach solutions.
Bibliography:Application Number: US19870075846