MD129Z - Process for the purification of galvanochemical production sewage waters from ammonium ions - Google Patents
Process for the purification of galvanochemical production sewage waters from ammonium ions Download PDFInfo
- Publication number
- MD129Z MD129Z MDS20090028A MDS20090028A MD129Z MD 129 Z MD129 Z MD 129Z MD S20090028 A MDS20090028 A MD S20090028A MD S20090028 A MDS20090028 A MD S20090028A MD 129 Z MD129 Z MD 129Z
- Authority
- MD
- Moldova
- Prior art keywords
- galvanochemical
- ammonium ions
- production sewage
- purification
- sewage waters
- Prior art date
Links
- -1 ammonium ions Chemical class 0.000 title abstract 5
- 238000004519 manufacturing process Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 3
- 239000010865 sewage Substances 0.000 title abstract 3
- 239000003643 water by type Substances 0.000 title abstract 3
- 238000000746 purification Methods 0.000 title abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 abstract 1
- 229910019142 PO4 Inorganic materials 0.000 abstract 1
- 239000003513 alkali Substances 0.000 abstract 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract 1
- 229910052782 aluminium Inorganic materials 0.000 abstract 1
- 239000004411 aluminium Substances 0.000 abstract 1
- 238000005238 degreasing Methods 0.000 abstract 1
- 238000009297 electrocoagulation Methods 0.000 abstract 1
- 239000003456 ion exchange resin Substances 0.000 abstract 1
- 229920003303 ion-exchange polymer Polymers 0.000 abstract 1
- 230000008929 regeneration Effects 0.000 abstract 1
- 238000011069 regeneration method Methods 0.000 abstract 1
- 239000001488 sodium phosphate Substances 0.000 abstract 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 abstract 1
- 229910000406 trisodium phosphate Inorganic materials 0.000 abstract 1
- 235000019801 trisodium phosphate Nutrition 0.000 abstract 1
Landscapes
- Water Treatment By Electricity Or Magnetism (AREA)
- Treatment Of Water By Ion Exchange (AREA)
Abstract
The invention relates to a process for the purfication of galvanochemical production sewage waters from ammonium ions.The process for the purification of galvanochemical production sewage waters from ammonium ions includes treatment of water with eluates, containing Mg2+ ions obtained upon regeneration of ion-exchange resins used upon water softening and with spent solutions of alkali degreasing, containing trisodium phosphate at the mass ratio [NH4 +] : [Mg2+] : [PO4 3-] = 1 : (5.2…5.5) : (9.0…9.5) and pH 8.5…10.0. Afterwards the water is treated by electrocoagulation with soluble aluminium electrodes at the anodic current density of 0.2…0.5 A/dm2 and is separated by electroflotation the ammonium-magnesium-phosphate compound complex.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDS20090028A MD129Z (en) | 2009-02-26 | 2009-02-26 | Process for the purification of galvanochemical production sewage waters from ammonium ions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MDS20090028A MD129Z (en) | 2009-02-26 | 2009-02-26 | Process for the purification of galvanochemical production sewage waters from ammonium ions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| MD129Y MD129Y (en) | 2010-01-29 |
| MD129Z true MD129Z (en) | 2010-08-31 |
Family
ID=43568891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MDS20090028A MD129Z (en) | 2009-02-26 | 2009-02-26 | Process for the purification of galvanochemical production sewage waters from ammonium ions |
Country Status (1)
| Country | Link |
|---|---|
| MD (1) | MD129Z (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD320Z (en) * | 2010-05-24 | 2011-08-31 | Государственный Университет Молд0 | Installation for the regeneration of cartridge with activated carbon or mineral sorbents used for purification of water from organic compounds |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD1231G2 (en) * | 1998-12-16 | 2000-05-31 | Юрий ФРОЛОВ | Process and device for water purification |
| MD2144C2 (en) * | 2001-03-30 | 2003-11-30 | Государственный Университет Молд0 | Installation for sewage electrochemical treatment |
| MD2724G2 (en) * | 2003-12-29 | 2005-11-30 | Государственный Университет Молд0 | Process for sewage galvanochemical cleaning and galvanocoagulating plant for realization thereof |
| MD3727G2 (en) * | 2008-01-09 | 2009-05-31 | Институт Химии Академии Наук Молдовы | Continuous process for water purification from nitrites |
-
2009
- 2009-02-26 MD MDS20090028A patent/MD129Z/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD1231G2 (en) * | 1998-12-16 | 2000-05-31 | Юрий ФРОЛОВ | Process and device for water purification |
| MD2144C2 (en) * | 2001-03-30 | 2003-11-30 | Государственный Университет Молд0 | Installation for sewage electrochemical treatment |
| MD2724G2 (en) * | 2003-12-29 | 2005-11-30 | Государственный Университет Молд0 | Process for sewage galvanochemical cleaning and galvanocoagulating plant for realization thereof |
| MD3727G2 (en) * | 2008-01-09 | 2009-05-31 | Институт Химии Академии Наук Молдовы | Continuous process for water purification from nitrites |
Non-Patent Citations (1)
| Title |
|---|
| Лукиных Н. А. и др. Методы доочисткии сточных вод. Москва, Стройиздат, 1978, с. 129-130 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD320Z (en) * | 2010-05-24 | 2011-08-31 | Государственный Университет Молд0 | Installation for the regeneration of cartridge with activated carbon or mineral sorbents used for purification of water from organic compounds |
Also Published As
| Publication number | Publication date |
|---|---|
| MD129Y (en) | 2010-01-29 |
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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) |