PROCEDE AMELIORE D'ELIMINATION DES IONS CADMIUM CONTENUS DANS L'ACIDE PHOSPHORIQUE OBTENU PAR VOIE HUMIDE

ON DECRIT UN PROCEDE D'ELIMINATION D'IONS CADMIUM DANS DE L'ACIDE PHOSPHORIQUE PREPARE PAR VOIE HUMIDE OBTENU PAR ATTAQUE DES MINERAIS DE PHOSPHATES BRUTS A L'ACIDE SULFURIQUE, PAR EXTRACTION LIQUIDE-LIQUIDE AVEC UTILISATION DE SELS D'ALKYLAMINES OU DE BASES D'AMMONIUM...

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Main Authors KLAUS ENDRICH, KLAUS BELTZ, KLAUS FRANKENFELD, GERHARD EICH
Format Patent
LanguageFrench
Published 05.03.1991
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Abstract ON DECRIT UN PROCEDE D'ELIMINATION D'IONS CADMIUM DANS DE L'ACIDE PHOSPHORIQUE PREPARE PAR VOIE HUMIDE OBTENU PAR ATTAQUE DES MINERAIS DE PHOSPHATES BRUTS A L'ACIDE SULFURIQUE, PAR EXTRACTION LIQUIDE-LIQUIDE AVEC UTILISATION DE SELS D'ALKYLAMINES OU DE BASES D'AMMONIUM A LONGUE CHAINE AVEC DES CHLORO-COMPLEXES D'IONS METALLIQUES POLYVALENTS DISSOUS DANS UN SOLVANT ORGANIQUE INERTE A process for the removal of cadmium ions by liquid-liquid extraction from wet process phosphoric acid, which had been obtained from crude phosphate ores by dissolution with sulfuric acid, uses salts of long chain alkyl amines or ammonium bases with the chlorocomplexes of polyvalent metal ions, which are dissolved in an inert organic solvent.
AbstractList ON DECRIT UN PROCEDE D'ELIMINATION D'IONS CADMIUM DANS DE L'ACIDE PHOSPHORIQUE PREPARE PAR VOIE HUMIDE OBTENU PAR ATTAQUE DES MINERAIS DE PHOSPHATES BRUTS A L'ACIDE SULFURIQUE, PAR EXTRACTION LIQUIDE-LIQUIDE AVEC UTILISATION DE SELS D'ALKYLAMINES OU DE BASES D'AMMONIUM A LONGUE CHAINE AVEC DES CHLORO-COMPLEXES D'IONS METALLIQUES POLYVALENTS DISSOUS DANS UN SOLVANT ORGANIQUE INERTE A process for the removal of cadmium ions by liquid-liquid extraction from wet process phosphoric acid, which had been obtained from crude phosphate ores by dissolution with sulfuric acid, uses salts of long chain alkyl amines or ammonium bases with the chlorocomplexes of polyvalent metal ions, which are dissolved in an inert organic solvent.
Author KLAUS ENDRICH
KLAUS FRANKENFELD
KLAUS BELTZ
GERHARD EICH
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Snippet ON DECRIT UN PROCEDE D'ELIMINATION D'IONS CADMIUM DANS DE L'ACIDE PHOSPHORIQUE PREPARE PAR VOIE HUMIDE OBTENU PAR ATTAQUE DES MINERAIS DE PHOSPHATES BRUTS A...
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SubjectTerms CHEMISTRY
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
COMPOUNDS THEREOF
FERROUS OR NON-FERROUS ALLOYS
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
PRETREATMENT OF RAW MATERIALS
PRODUCTION AND REFINING OF METALS
TREATMENT OF ALLOYS OR NON-FERROUS METALS
Title PROCEDE AMELIORE D'ELIMINATION DES IONS CADMIUM CONTENUS DANS L'ACIDE PHOSPHORIQUE OBTENU PAR VOIE HUMIDE
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