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PE20140427A1 - HYDROMETALLURGICAL METHOD FOR THE RECOVERY OF ZINC IN A SULFUR MEDIUM FROM SULFUR CONCENTRATES WITH HIGH CONTENT OF IRON - Google Patents

HYDROMETALLURGICAL METHOD FOR THE RECOVERY OF ZINC IN A SULFUR MEDIUM FROM SULFUR CONCENTRATES WITH HIGH CONTENT OF IRON

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Publication number
PE20140427A1
PE20140427A1 PE2013002082A PE2013002082A PE20140427A1 PE 20140427 A1 PE20140427 A1 PE 20140427A1 PE 2013002082 A PE2013002082 A PE 2013002082A PE 2013002082 A PE2013002082 A PE 2013002082A PE 20140427 A1 PE20140427 A1 PE 20140427A1
Authority
PE
Peru
Prior art keywords
zinc
solution
sulfur
iron
acidity
Prior art date
Application number
PE2013002082A
Other languages
Spanish (es)
Inventor
Garcia Francisco Jose Tamargo
Original Assignee
Tam 5 S L
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tam 5 S L filed Critical Tam 5 S L
Priority to PE2013002082A priority Critical patent/PE20140427A1/en
Publication of PE20140427A1 publication Critical patent/PE20140427A1/en

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  • Manufacture And Refinement Of Metals (AREA)

Abstract

SE REFIERE A UN METODO HIDROMETALURGICO PARA LA RECUPERACION DE ZINC EN MEDIO SULFURICO A PARTIR DE CONCENTRADOS DE ZINC SULFURADOS CON ALTO CONTENIDO EN HIERRO, EL CUAL COMPRENDE: A) TOSTACION DE UNA PARTE DEL CONCENTRADO DE ZINC; B) LIXIVIACION NEUTRA DONDE SE DISUELVE EL OXIDO DE ZINC; C) LIXIVIACION ACIDA DE LAS FERRITAS DE ZINC POR MEDIO DE ACIDO SULFURICO CONCENTRADO Y EN FORMA DE ELECTROLITO AGOTADO, GENERANDO UNA SOLUCION QUE CONTIENE i) ENTRE 10 Y 35 G/L DE Fe+++, ii) ENTRE 10 Y 70 G/L DE ACIDEZ SULFURICA, iii) UN RESIDUO DONDE SE CONCENTRAN EL PLOMO, PLATA Y ORO, Y iv) UNA SOLUCION DE ZINC Y HIERRO; D) REDUCCION DEL Fe+++ CONTENIDA EN LA ETAPA ANTERIOR A Fe++ MEDIANTE LA ADICION DE CONCENTRADO DE ZINC; E) NEUTRALIZACION DE LA ACIDEZ EN LA SOLUCION RESULTANTE CON CALCINE, GENERANDO UNA SOLUCION FINAL CON UN PH DE 3.8 A 5.2; F) OXIDACION DE HIERRO Y PRECIPITACION DE JAROSITA DE LA SOLUCION RESULTANTE LIBRE DE SOLIDOS CONTAMINANTES, POR MEDIO DE LA INYECCION DE OXIGENO Y LA ADICION DE UN ALCALI O SAL DE Na+ O NH4+, RESULTANDO UNA SOLUCION CON UN PH DE 1.5 Y 10 G/L DE ACIDEZIT REFERS TO A HYDROMETALLURGICAL METHOD FOR THE RECOVERY OF ZINC IN THE SULFUR MEDIUM FROM SULFURATED ZINC CONCENTRATES WITH HIGH IRON CONTENT, WHICH INCLUDES: A) ROASTING OF A PART OF THE ZINC CONCENTRATE; B) NEUTRAL LEACHING WHERE THE ZINC OXIDE IS DISSOLVED; C) ACID LEACHING OF ZINC FERRITES BY MEANS OF CONCENTRATED SULFURIC ACID AND IN THE FORM OF EXHAUSTED ELECTROLYTE, GENERATING A SOLUTION THAT CONTAINS i) BETWEEN 10 AND 35 G / L OF Fe +++, ii) BETWEEN 10 AND 70 G / L OF ACIDITY SULFURICA, iii) A RESIDUE WHERE LEAD, SILVER AND GOLD ARE CONCENTRATED, AND iv) A SOLUTION OF ZINC AND IRON; D) REDUCTION OF THE Fe +++ CONTAINED IN THE STAGE BEFORE Fe ++ THROUGH THE ADDITION OF ZINC CONCENTRATE; E) NEUTRALIZING THE ACIDITY IN THE RESULTING SOLUTION WITH CALCINE, GENERATING A FINAL SOLUTION WITH A PH OF 3.8 TO 5.2; F) OXIDATION OF IRON AND JAROSITE PRECIPITATION OF THE RESULTING SOLUTION FREE OF SOLID CONTAMINANTS, BY MEANS OF OXYGEN INJECTION AND THE ADDITION OF AN ALKALI OR SALT OF Na + OR NH4 +, RESULTING A SOLUTION WITH A PH OF 1.5 AND 10 G / L FOR ACIDITY

PE2013002082A 2012-07-16 2012-07-16 HYDROMETALLURGICAL METHOD FOR THE RECOVERY OF ZINC IN A SULFUR MEDIUM FROM SULFUR CONCENTRATES WITH HIGH CONTENT OF IRON PE20140427A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PE2013002082A PE20140427A1 (en) 2012-07-16 2012-07-16 HYDROMETALLURGICAL METHOD FOR THE RECOVERY OF ZINC IN A SULFUR MEDIUM FROM SULFUR CONCENTRATES WITH HIGH CONTENT OF IRON

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PE2013002082A PE20140427A1 (en) 2012-07-16 2012-07-16 HYDROMETALLURGICAL METHOD FOR THE RECOVERY OF ZINC IN A SULFUR MEDIUM FROM SULFUR CONCENTRATES WITH HIGH CONTENT OF IRON

Publications (1)

Publication Number Publication Date
PE20140427A1 true PE20140427A1 (en) 2014-04-10

Family

ID=50692927

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2013002082A PE20140427A1 (en) 2012-07-16 2012-07-16 HYDROMETALLURGICAL METHOD FOR THE RECOVERY OF ZINC IN A SULFUR MEDIUM FROM SULFUR CONCENTRATES WITH HIGH CONTENT OF IRON

Country Status (1)

Country Link
PE (1) PE20140427A1 (en)

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