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PE20140052A1 - HYDROMETALLURGICAL METHOD FOR THE RECOVERY OF ZINC IN SULFURIC MEDIUM FROM SULFURATED ZINC CONCENTRATES - Google Patents

HYDROMETALLURGICAL METHOD FOR THE RECOVERY OF ZINC IN SULFURIC MEDIUM FROM SULFURATED ZINC CONCENTRATES

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Publication number
PE20140052A1
PE20140052A1 PE2013000411A PE2013000411A PE20140052A1 PE 20140052 A1 PE20140052 A1 PE 20140052A1 PE 2013000411 A PE2013000411 A PE 2013000411A PE 2013000411 A PE2013000411 A PE 2013000411A PE 20140052 A1 PE20140052 A1 PE 20140052A1
Authority
PE
Peru
Prior art keywords
zinc
stage
oxygen
leaching
sulfurated
Prior art date
Application number
PE2013000411A
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=50238054&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=PE20140052(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Tam 5 S L filed Critical Tam 5 S L
Priority to PE2013000411A priority Critical patent/PE20140052A1/en
Publication of PE20140052A1 publication Critical patent/PE20140052A1/en

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  • Manufacture And Refinement Of Metals (AREA)

Abstract

REFIERE A UN METODO HIDROMETALURGICO PARA LA RECUPERACION DE ZINC EN MEDIO SULFURICO A PARTIR DE CONCENTRADOS DE ZINC SULFURADOS. EN EL QUE EL CONCENTRADO DE ZINC SE SOMETE A LOS SIGUIENTES PASOS: [A]. TOSTACION DE AL MENOS UNA PARTE DEL CONCENTRADO DE ZINC; [B]. LIXIVIACION NEUTRA, EN EL QUE EL OXIDO DE ZINC SE DISUELVE; [C]. LIXIVIACION CON ACIDO, EN EL QUE LAS FERRITAS DE ZINC, SON LIXIVIADOS; [D]. REDUCIR EL FE+++ CONTENIDA EN LA SOLUCION DE FE++ MEDIANTE LA ADICION DE CONCENTRADO DE ZINC; [E]. LA NEUTRALIZACION DE LA ACIDEZ DE LA SOLUCION CON CALCINA; [H]. LA OXIDACION DEL HIERRO Y LA PRECIPITACION DE JAROSITA, LIBRE DE CONTAMINANTES SOLIDOS, MEDIANTE LA INYECCION DE OXIGENO O AIRE ENRIQUECIDO CON OXIGENO Y LA ADICION DE UN ALCALI O UNA SAL ALCALINA. POR MEDIO DE LA INYECCION DE OXIGENO O AIRE ENRIQUECIDO CON OXIGENO Y LA ADICION DE UN ALCALI UNA SAL ALCALINA. ADICIONALMENTE, TRAS LA ETAPA DE NEUTRALIZACION (E), PUEDE LLEVAR UNA ETAPA (F) DE RE LIXIVIACION DEL RESIDUO PARA LA PRECIPITACION DEL ARSENICO E IMPUREZAS AFINES, Y UNA ETAPA (G) DE CEMENTACION DE CU, Y TRAS LA ETAPA (C) UNA ETAPA (I) DE REDUCCION DE HIERRO Y LIXIVIACION DIRECTAREFERS TO A HYDROMETALLURGICAL METHOD FOR THE RECOVERY OF ZINC IN SULFUR MEDIUM FROM SULFURATED ZINC CONCENTRATES. IN WHICH THE ZINC CONCENTRATE IS SUBMITTED TO THE FOLLOWING STEPS: [A]. ROASTING OF AT LEAST A PORTION OF THE ZINC CONCENTRATE; [B]. NEUTRAL LEACHING, IN WHICH THE ZINC OXIDE IS DISSOLVED; [C]. LEACHING WITH ACID, IN WHICH THE ZINC FERRITES ARE LEACHED; [D]. REDUCE THE FE +++ CONTAINED IN THE FE ++ SOLUTION BY ADDING ZINC CONCENTRATE; [AND]. THE NEUTRALIZATION OF THE ACIDITY OF THE SOLUTION WITH CALCINE; [H]. THE OXIDATION OF THE IRON AND THE PRECIPITATION OF JAROSITE, FREE OF SOLID CONTAMINANTS, THROUGH THE INJECTION OF OXYGEN OR AIR ENRICHED WITH OXYGEN AND THE ADDITION OF AN ALKALI OR ALKALINE SALT. BY INJECTION OF OXYGEN OR AIR ENRICHED WITH OXYGEN AND THE ADDITION OF AN ALKALI AN ALKALINE SALT. ADDITIONALLY, AFTER THE NEUTRALIZATION STAGE (E), IT MAY TAKE A STAGE (F) OF RE-LEACHING THE WASTE FOR THE PRECIPITATION OF ARSENIC AND RELATED IMPURITIES, AND A STAGE (G) OF CEMENTATION OF CU, AND AFTER STAGE (C) A STAGE (I) OF IRON REDUCTION AND DIRECT LEACHING

PE2013000411A 2011-04-15 2011-04-15 HYDROMETALLURGICAL METHOD FOR THE RECOVERY OF ZINC IN SULFURIC MEDIUM FROM SULFURATED ZINC CONCENTRATES PE20140052A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PE2013000411A PE20140052A1 (en) 2011-04-15 2011-04-15 HYDROMETALLURGICAL METHOD FOR THE RECOVERY OF ZINC IN SULFURIC MEDIUM FROM SULFURATED ZINC CONCENTRATES

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PE2013000411A PE20140052A1 (en) 2011-04-15 2011-04-15 HYDROMETALLURGICAL METHOD FOR THE RECOVERY OF ZINC IN SULFURIC MEDIUM FROM SULFURATED ZINC CONCENTRATES

Publications (1)

Publication Number Publication Date
PE20140052A1 true PE20140052A1 (en) 2014-02-12

Family

ID=50238054

Family Applications (1)

Application Number Title Priority Date Filing Date
PE2013000411A PE20140052A1 (en) 2011-04-15 2011-04-15 HYDROMETALLURGICAL METHOD FOR THE RECOVERY OF ZINC IN SULFURIC MEDIUM FROM SULFURATED ZINC CONCENTRATES

Country Status (1)

Country Link
PE (1) PE20140052A1 (en)

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