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 | , , , |
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Format | Patent |
Language | French |
Published |
05.03.1991
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Subjects | |
Online Access | Get full text |
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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. |
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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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