RU2013155427A - METHOD FOR PROCESSING ZINC CAKES - Google Patents
METHOD FOR PROCESSING ZINC CAKES Download PDFInfo
- Publication number
- RU2013155427A RU2013155427A RU2013155427/02A RU2013155427A RU2013155427A RU 2013155427 A RU2013155427 A RU 2013155427A RU 2013155427/02 A RU2013155427/02 A RU 2013155427/02A RU 2013155427 A RU2013155427 A RU 2013155427A RU 2013155427 A RU2013155427 A RU 2013155427A
- Authority
- RU
- Russia
- Prior art keywords
- flotation
- zinc
- extraction
- sulfuric acid
- acid leaching
- Prior art date
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Landscapes
- Manufacture And Refinement Of Metals (AREA)
Abstract
1. Способ переработки цинковых кеков, включающий стадии флотации и высокотемпературного сернокислотного выщелачивания, отличающийся тем, что на первой стадии при температуре 80-90°C проводят сернокислотное выщелачивание в присутствие восстановителя, обеспечивающего восстановительный потенциал выщелачивающего раствора более +0,8 В, раствор направляют на извлечение цинка, нерастворенный остаток подвергают флотации ксантогенатом при pH=8-9, пенный продукт подвергают перечистке при pH=3,5-5, при этом в качестве собирателя используют диалкилдитиофосфат натрия с расходом 50-500 г/т, флотоконцентрат направляют на извлечение благородных металлов, хвосты основной флотации на извлечение свинца, а хвосты перечистной флотации на извлечение цинка в основном производстве.2. Способ по п. 1, отличающийся тем, что в качестве восстановителя при сернокислотном выщелачивании используют железный скрап, отходы оцинкованного железа, сульфидный цинковый концентрат, формиат натрия, сахар по отдельности и (или) в различных сочетаниях.1. A method for processing zinc cakes, including the stages of flotation and high-temperature sulfuric acid leaching, characterized in that at the first stage at a temperature of 80-90 ° C sulfuric acid leaching is carried out in the presence of a reducing agent that provides a reduction potential of the leaching solution of more than +0.8 V, the solution is sent for the extraction of zinc, the undissolved residue is subjected to flotation with xanthate at pH = 8-9, the foam product is subjected to cleaning at pH = 3.5-5, while sodium dialkyldithiophosphate is used as a collector with a flow rate of 50-500 g / t, the flotation concentrate is sent for extraction precious metals, tailings of the main flotation for the extraction of lead, and the tailings of the cleaning flotation for the extraction of zinc in the main production. 2. The method according to claim 1, characterized in that iron scrap, galvanized iron waste, zinc sulfide concentrate, sodium formate, sugar separately and (or) in various combinations are used as a reducing agent in sulfuric acid leaching.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2013155427/02A RU2578881C2 (en) | 2013-12-12 | 2013-12-12 | Treatment of zinc cakes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2013155427/02A RU2578881C2 (en) | 2013-12-12 | 2013-12-12 | Treatment of zinc cakes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RU2013155427A true RU2013155427A (en) | 2015-06-20 |
| RU2578881C2 RU2578881C2 (en) | 2016-03-27 |
Family
ID=53433576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RU2013155427/02A RU2578881C2 (en) | 2013-12-12 | 2013-12-12 | Treatment of zinc cakes |
Country Status (1)
| Country | Link |
|---|---|
| RU (1) | RU2578881C2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269211A (en) * | 2016-08-29 | 2017-01-04 | 南丹县南方有色金属有限责任公司 | The control technical matters of granularity during zinc leaching acid leaching residue flotation recovery silver |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111659530B (en) * | 2020-06-16 | 2021-03-23 | 昆明理工大学 | A kind of beneficiation, smelting, recovery and separation method of continuous copper-lead-zinc sulfide ore |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2003254729B2 (en) * | 1998-08-24 | 2005-10-06 | Technological Resources Pty Ltd | Hydrometallurgical extraction of copper and other valuable metals |
| RU2175354C2 (en) * | 1999-10-18 | 2001-10-27 | Акционерное общество открытого типа "Челябинский электролитный цинковый завод" | Method of processing zinc cakes |
| RU2192488C2 (en) * | 2000-12-13 | 2002-11-10 | Акционерное общество открытого типа "Челябинский электролитный цинковый завод" | Method of processing zinc cakes |
| RU2366736C2 (en) * | 2007-06-28 | 2009-09-10 | ООО "Институт Гипроникель" | Method of processing copper-zinc products containing noble metals |
-
2013
- 2013-12-12 RU RU2013155427/02A patent/RU2578881C2/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106269211A (en) * | 2016-08-29 | 2017-01-04 | 南丹县南方有色金属有限责任公司 | The control technical matters of granularity during zinc leaching acid leaching residue flotation recovery silver |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2578881C2 (en) | 2016-03-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | The patent is invalid due to non-payment of fees |
Effective date: 20181213 |