MD2771F1 - Process for sewage water biochemical treatment - Google Patents
Process for sewage water biochemical treatment Download PDFInfo
- Publication number
- MD2771F1 MD2771F1 MD20040005A MD20040005A MD2771F1 MD 2771 F1 MD2771 F1 MD 2771F1 MD 20040005 A MD20040005 A MD 20040005A MD 20040005 A MD20040005 A MD 20040005A MD 2771 F1 MD2771 F1 MD 2771F1
- Authority
- MD
- Moldova
- Prior art keywords
- mixture
- sewage
- treatment
- residues
- biochemical treatment
- Prior art date
Links
- 239000010865 sewage Substances 0.000 title abstract 7
- 238000000034 method Methods 0.000 title abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 6
- 238000000855 fermentation Methods 0.000 abstract 5
- 230000004151 fermentation Effects 0.000 abstract 5
- 239000000203 mixture Substances 0.000 abstract 4
- 239000003643 water by type Substances 0.000 abstract 4
- 239000002253 acid Substances 0.000 abstract 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 abstract 2
- 239000005996 Blood meal Substances 0.000 abstract 1
- 210000004369 blood Anatomy 0.000 abstract 1
- 229940036811 bone meal Drugs 0.000 abstract 1
- 239000002374 bone meal Substances 0.000 abstract 1
- 239000006227 byproduct Substances 0.000 abstract 1
- 229910002092 carbon dioxide Inorganic materials 0.000 abstract 1
- 239000001569 carbon dioxide Substances 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 235000013372 meat Nutrition 0.000 abstract 1
- 239000008267 milk Substances 0.000 abstract 1
- 210000004080 milk Anatomy 0.000 abstract 1
- 235000013336 milk Nutrition 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 abstract 1
- 210000002435 tendon Anatomy 0.000 abstract 1
Classifications
-
- Y02W10/12—
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention relates to a process for sewage water biochemical treatment and may be used in the milk and meat processing industry.The process for sewage water biochemical treatment includes anaerobic treatment of sewage waters into a bioreactor, consisted of two chambers: of acid and methane fermentation, with biogas obtaining. Into the sewage waters it is additionally added a mixture of dispersed inedible residues of animal origin, in a quantity of 3…5% from the volume of sewage waters, the mixture being preliminarily subjected to acid fermentation during 3…5 days. The carbon dioxide, formed in the acid fermentation chamber is fed into the methane fermentation chamber, at the same time the treatment is carried out at the temperature of 32±3°C during 18…30 hours. As mixture of inedible residues of animal origin are used entrails, skin scraps and woollen by-products, endocrinofermentative raw material, internal remains, tendon remains, blood and bone meal, taken in the following component ratio, mass%:The mixture of residues is dispersed into a colloidal mill up to the particles size of 20…100 µm.The result of the invention consists in increasing the sewage waters treatment degree, decreasing the fermentation time and increasing the methane content in the obtained biogas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MD20040005A MD2771F1 (en) | 2003-12-29 | 2003-12-29 | Process for sewage water biochemical treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| MD20040005A MD2771F1 (en) | 2003-12-29 | 2003-12-29 | Process for sewage water biochemical treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| MD2771F1 true MD2771F1 (en) | 2005-05-31 |
Family
ID=34617485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| MD20040005A MD2771F1 (en) | 2003-12-29 | 2003-12-29 | Process for sewage water biochemical treatment |
Country Status (1)
| Country | Link |
|---|---|
| MD (1) | MD2771F1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD165Z (en) * | 2009-04-17 | 2010-10-31 | Государственный Университет Молд0 | Process for the purification of sewage waters of stockbreeding complexes from ammonium nitrogen and phosphates |
| MD4362C1 (en) * | 2014-03-04 | 2016-03-31 | Государственный Университет Молд0 | Process for producing biohydrogen and biomethane |
| MD4389C1 (en) * | 2014-06-23 | 2016-07-31 | Государственный Университет Молд0 | The method of producing biomethane |
-
2003
- 2003-12-29 MD MD20040005A patent/MD2771F1/en not_active IP Right Cessation
Non-Patent Citations (4)
| Title |
|---|
| Charles C. Ross, James L Walsh. Handbook of biogas utilization. Chapter 2, Atlanta, Georgia, 1966, p. 1…12 * |
| Charles C. Ross, James L. Walsh. Handbook of biogas utilization. Chapter 2, Atlanta, Georgia, 1966, p. 1…12 * |
| Negulescu Mircea. Epurarea apelor uzate industriale. Bucureşti, Editura tehnică, 1987, vol. 1, p. 197…199 * |
| Калюжный С.В., Данилович Д.А., Ножевникова А.Н. Анаэробная биологическая очистка сточных вод. Итоги науки и техники. Биотехнология, т. * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MD165Z (en) * | 2009-04-17 | 2010-10-31 | Государственный Университет Молд0 | Process for the purification of sewage waters of stockbreeding complexes from ammonium nitrogen and phosphates |
| MD4362C1 (en) * | 2014-03-04 | 2016-03-31 | Государственный Университет Молд0 | Process for producing biohydrogen and biomethane |
| MD4389C1 (en) * | 2014-06-23 | 2016-07-31 | Государственный Университет Молд0 | The method of producing biomethane |
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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) |