DOP2005000122A - PROCESSING OF MATERIALS THAT CONSUME ACIDS, THAT IMPLIES A TREATMENT WITH EFFLUENTS OF ACIDIC BIOOXIDATION - Google Patents
PROCESSING OF MATERIALS THAT CONSUME ACIDS, THAT IMPLIES A TREATMENT WITH EFFLUENTS OF ACIDIC BIOOXIDATIONInfo
- Publication number
- DOP2005000122A DOP2005000122A DO2005000122A DO2005000122A DOP2005000122A DO P2005000122 A DOP2005000122 A DO P2005000122A DO 2005000122 A DO2005000122 A DO 2005000122A DO 2005000122 A DO2005000122 A DO 2005000122A DO P2005000122 A DOP2005000122 A DO P2005000122A
- Authority
- DO
- Dominican Republic
- Prior art keywords
- biooxidation
- treatment
- consume
- gold
- acidic
- Prior art date
Links
Landscapes
- Removal Of Specific Substances (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
En un aspecto la presente invención proporciona un método de recuperación de oro de al menos dos diferentes materiales minerales sulfídicos refractarios que contienen oro. Un primer material mineral se somete a un tratamiento previo de biooxidación para liberar el oro guardado contenido en los sulfuro minerales. La biooxidación produce un efluente de licor de biooxidación ácida que contiene hierro disuelto significativo en forma férrica. La totalidad o una porción del efluente del licor de biooxidación se usa como un líquido de tratamiento ácido para tratar el segundo material mineral, que contiene minerales que consumen ácido. Durante el tratamiento, los minerales que consumen ácido reaccionan con la solución ácida, elevando el pH de la solución y produciendo una reducción en la solubilidad y precipitando el hierro disuelto y otros metales. También durante el tratamiento, los sulfuros en el segundo material mineral u oxidados, liberan oro para su posterior recuperación. MP-MG-LU-CL-RM/BM1866A5/72,OppIn one aspect the present invention provides a method of recovering gold from at least two different refractory sulfide mineral materials containing gold. A first mineral material is subjected to a previous biooxidation treatment to release the stored gold contained in the mineral sulphides. Biooxidation produces an acidic biooxidation liquor effluent that contains significantly dissolved iron in iron form. All or a portion of the effluent from the biooxidation liquor is used as an acid treatment liquid to treat the second mineral material, which contains minerals that consume acid. During the treatment, the minerals that consume acid react with the acid solution, raising the pH of the solution and producing a reduction in solubility and precipitating dissolved iron and other metals. Also during the treatment, the sulphides in the second mineral material or oxidized, release gold for later recovery. MP-MG-LU-CL-RM / BM1866A5 / 72, Opp
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US58460204P | 2004-07-01 | 2004-07-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
DOP2005000122A true DOP2005000122A (en) | 2006-01-05 |
Family
ID=40635439
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DO2005000122A DOP2005000122A (en) | 2004-07-01 | 2005-06-30 | PROCESSING OF MATERIALS THAT CONSUME ACIDS, THAT IMPLIES A TREATMENT WITH EFFLUENTS OF ACIDIC BIOOXIDATION |
Country Status (2)
Country | Link |
---|---|
DO (1) | DOP2005000122A (en) |
PE (1) | PE20060751A1 (en) |
-
2005
- 2005-06-28 PE PE2005000753A patent/PE20060751A1/en active IP Right Grant
- 2005-06-30 DO DO2005000122A patent/DOP2005000122A/en unknown
Also Published As
Publication number | Publication date |
---|---|
PE20060751A1 (en) | 2006-08-12 |
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