MD2169G2 - Process for recovery of non-ferrous metals from sewage hydroxide sediments and installation for realization thereof - Google Patents
Process for recovery of non-ferrous metals from sewage hydroxide sediments and installation for realization thereofInfo
- Publication number
- MD2169G2 MD2169G2 MDA20010209A MD20010209A MD2169G2 MD 2169 G2 MD2169 G2 MD 2169G2 MD A20010209 A MDA20010209 A MD A20010209A MD 20010209 A MD20010209 A MD 20010209A MD 2169 G2 MD2169 G2 MD 2169G2
- Authority
- MD
- Moldova
- Prior art keywords
- metals
- recovery
- installation
- sewage
- ferrous metals
- Prior art date
Links
Landscapes
- Electrolytic Production Of Metals (AREA)
Abstract
The invention relates to a process and an installation for recovery of non-ferrous metals from solid wastes of the metal-containing sewage and processing media of the galvanochemical industry and may be applied at the mechanical engineering plants and in hydraulic metallurgy.The process for recovery of non-ferrous metals from sewage hydroxide sediments includes the ammoniacal alkalinization of metals with subsequent electrochemical reduction thereof, with that the alkalinization is carried out in solution, containing in g/L: ammonium chloride 100…120; ammonium alums 20…30; boric acid 25…35; 25 mass % ammonia solution 30…50, at the temperature of 150…180°C and the pressure 10…15 atm, and the electrochemical reduction of metals is carried out at the liquid passage through a porous electrode with the rate of volume flow of 0,5…0,75 ml/s and the cathode current density value of 300…500 A/dm2, continuously evacuating the reduced metals in the form of powder into the inert organic liquid with the density of 1,2…1,7 g/cm3.The installation for realization of the process, according to the invention, includes the vat framework, the insoluble cathode and anode separated by a diaphragm, the electrolyte inlet and outlet pipes, the cathode being made in the form of a perforated rotary drum, provided with electrolyte inlet pipe, on the outside of which it is placed the porous electrode, made of carbon-fibrous material, hermetically attached to a separating grid, in the upper part of the framework it is installed a current conductor, and in the lower one - an arched scraper, under which it is installed a bunker, filled up with an inert organic liquid.The result of the invention consists in increasing the intensity and the efficiency of the electrochemical metal recovery process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDA20010209A MD2169G2 (en) | 2001-07-04 | 2001-07-04 | Process for recovery of non-ferrous metals from sewage hydroxide sediments and installation for realization thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDA20010209A MD2169G2 (en) | 2001-07-04 | 2001-07-04 | Process for recovery of non-ferrous metals from sewage hydroxide sediments and installation for realization thereof |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| MD20010209A MD20010209A (en) | 2003-02-28 |
| MD2169F2 MD2169F2 (en) | 2003-05-31 |
| MD2169G2 true MD2169G2 (en) | 2003-11-30 |
Family
ID=19739891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MDA20010209A MD2169G2 (en) | 2001-07-04 | 2001-07-04 | Process for recovery of non-ferrous metals from sewage hydroxide sediments and installation for realization thereof |
Country Status (1)
| Country | Link |
|---|---|
| MD (1) | MD2169G2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD106Z (en) * | 2008-01-29 | 2010-06-30 | Государственный Университет Молд0 | Process for regeneration of ionite with nickel and zinc content |
| MD107Z (en) * | 2009-07-01 | 2010-06-30 | Государственный Университет Молд0 | Process for regeneration of ionite with copper content |
-
2001
- 2001-07-04 MD MDA20010209A patent/MD2169G2/en not_active IP Right Cessation
Non-Patent Citations (5)
| Title |
|---|
| Гибкие автоматизированные гальванические линии. Справочник. Под ред. Зубченко В.Л. М., Машиностроение, 1989, с. 134-169 * |
| Гибкие автоматизированные гальванические линии. Справочник. Под ред. Зубченко В.Л. М., Машиностроение, 1989, стр. 134-169 * |
| Ситтиг М. Извлечение металлов и неорганических соединений из отходов. Справочник. М., Металлургия, 1985, 408 с. * |
| Яковлев С.В., Волков Л.С., Воронов Ю.В. и др. Обработка и утилизация осадков производственных сточных вод. М., Химия, 1999, с. 328-338 * |
| Яковлев С.В., Волков Л.С., Воронов Ю.В. и др. Обработка и утилизация осадков производственных сточных вод. М., Химия, 1999, стр. 328-338 * |
Also Published As
| Publication number | Publication date |
|---|---|
| MD2169F2 (en) | 2003-05-31 |
| MD20010209A (en) | 2003-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| KA4A | Patent for invention lapsed due to non-payment of fees (with right of restoration) | ||
| MM4A | Patent for invention definitely lapsed due to non-payment of fees |