FIELD: chemistry; methods of extracting gold from natural solutions. SUBSTANCE: essence of this method resides in dissolving cinders resulting from process of roasting gold-containing pyrite concentrates, copper-iron mattles resulting from melting gold-containing pyrite concentrates, anode sludges or compound alloys in hydrochloric acid, hydrochlorinating pulp to redox potential of 90 to 100 mV, and finally carrying out sorption of gold from compound solutions using polystyrene disulfide. EFFECT: ecologically safe and low-waste technique of reprocessing compound gold-containing stock.
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF SEPARATING SILVER FROM IRON AND NONFERROUS METALS IN NITRATE SOLUTIONS | 1992 |
|
RU2023731C1 |
| PROCEDURE FOR SORPTION EXTRACTION OF VALUABLE METALS | 2009 |
|
RU2394109C1 |
| METHOD FOR EXTRACTION OF PRECIOUS METALS | 2006 |
|
RU2291907C1 |
| METHOD OF GOLD RECOVERY FROM ORES, CONCENTRATES AND SLIMES | 1999 |
|
RU2164257C1 |
| METHOD FOR EXTRACTING GOLD FROM GOLD-CONTAINING FLOTATION CONCENTRATE | 2021 |
|
RU2763710C1 |
| PRECIOUS METAL EXTRACTION METHOD | 2008 |
|
RU2386710C1 |
| METHOD OF COMPLEX PROCESSING OF PYRITIC RAW MATERIALS | 2016 |
|
RU2627835C2 |
| METHOD FOR EXTRACTION OF NOBLE METALS FROM ARSENOPYRITIC, PYRITIC ORES AND CONCENTRATES | 1991 |
|
RU2040586C1 |
| METHOD OF RECOVERING PRECIOUS METALS FROM ORE PROCESSING PRODUCTS | 2016 |
|
RU2632740C1 |
| EXTRACTION METHOD OF GOLD FROM ORES AND PRODUCTS OF THEIR PROCESSING | 2012 |
|
RU2490344C1 |
