DE2527588C2 - Mit belebtem Schlamm arbeitendes Abwasserbehandlungsverfahren - Google Patents
Mit belebtem Schlamm arbeitendes AbwasserbehandlungsverfahrenInfo
- Publication number
- DE2527588C2 DE2527588C2 DE2527588A DE2527588A DE2527588C2 DE 2527588 C2 DE2527588 C2 DE 2527588C2 DE 2527588 A DE2527588 A DE 2527588A DE 2527588 A DE2527588 A DE 2527588A DE 2527588 C2 DE2527588 C2 DE 2527588C2
- Authority
- DE
- Germany
- Prior art keywords
- sludge
- phosphate
- zone
- phosphates
- stripper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 239000010802 sludge Substances 0.000 title claims description 160
- 238000000034 method Methods 0.000 title claims description 45
- 230000008569 process Effects 0.000 title claims description 15
- 238000004065 wastewater treatment Methods 0.000 title claims description 6
- 229910019142 PO4 Inorganic materials 0.000 claims description 242
- 235000021317 phosphate Nutrition 0.000 claims description 242
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims description 137
- 239000010452 phosphate Substances 0.000 claims description 137
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 107
- 239000007788 liquid Substances 0.000 claims description 95
- 239000006228 supernatant Substances 0.000 claims description 62
- 238000005273 aeration Methods 0.000 claims description 24
- 239000002351 wastewater Substances 0.000 claims description 24
- 238000009423 ventilation Methods 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 13
- 229910052760 oxygen Inorganic materials 0.000 claims description 13
- 239000001301 oxygen Substances 0.000 claims description 13
- 244000005700 microbiome Species 0.000 claims description 12
- 239000007791 liquid phase Substances 0.000 claims description 11
- 239000007789 gas Substances 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 description 12
- 239000012071 phase Substances 0.000 description 7
- 238000004062 sedimentation Methods 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 4
- 235000011941 Tilia x europaea Nutrition 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 230000003834 intracellular effect Effects 0.000 description 4
- 239000004571 lime Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 229910052698 phosphorus Inorganic materials 0.000 description 3
- 239000011574 phosphorus Substances 0.000 description 3
- 239000010865 sewage Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000012716 precipitator Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 159000000014 iron salts Chemical class 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 125000002467 phosphate group Chemical group [H]OP(=O)(O[H])O[*] 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007790 solid phase Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1205—Particular type of activated sludge processes
- C02F3/1215—Combinations of activated sludge treatment with precipitation, flocculation, coagulation and separation of phosphates
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Removal Of Specific Substances (AREA)
- Activated Sludge Processes (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Treatment Of Sludge (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US48179374A | 1974-06-21 | 1974-06-21 | |
| US58195175A | 1975-06-04 | 1975-06-04 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2527588A1 DE2527588A1 (de) | 1976-01-15 |
| DE2527588C2 true DE2527588C2 (de) | 1985-09-19 |
Family
ID=27047049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2527588A Expired DE2527588C2 (de) | 1974-06-21 | 1975-06-20 | Mit belebtem Schlamm arbeitendes Abwasserbehandlungsverfahren |
Country Status (19)
| Country | Link |
|---|---|
| JP (1) | JPS5929320B2 (enExample) |
| AR (1) | AR206820A1 (enExample) |
| BR (1) | BR7503861A (enExample) |
| CA (1) | CA1063264A (enExample) |
| CH (1) | CH609652A5 (enExample) |
| DE (1) | DE2527588C2 (enExample) |
| DK (1) | DK281875A (enExample) |
| EG (1) | EG11772A (enExample) |
| FI (1) | FI62275C (enExample) |
| FR (1) | FR2275408A1 (enExample) |
| GB (1) | GB1512693A (enExample) |
| IE (1) | IE41385B1 (enExample) |
| IL (1) | IL47536A (enExample) |
| IN (1) | IN144405B (enExample) |
| IT (1) | IT1040676B (enExample) |
| NL (1) | NL171568C (enExample) |
| NO (1) | NO148260C (enExample) |
| SE (1) | SE410306B (enExample) |
| TR (1) | TR18849A (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3729127A1 (de) * | 1987-09-01 | 1989-03-09 | Taetzner Wolfgang | Verfahren und vorrichtung zur biologischen reinigung von abwaessern von ihren phosphat-verunreinigungen |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3236766A (en) * | 1964-03-31 | 1966-02-22 | Hazleton Lab Inc | Sewage treatment process |
| US3385785A (en) * | 1966-05-04 | 1968-05-28 | Fmc Corp | Method of controlling phosphate concentration in sewage treatment systems |
| US3681235A (en) * | 1971-03-11 | 1972-08-01 | Biospherics Inc | Internal precipitation of phosphate from activated sludge |
-
1974
- 1974-06-20 TR TR1884974A patent/TR18849A/xx unknown
-
1975
- 1975-01-01 AR AR25928175A patent/AR206820A1/es active
- 1975-06-17 CA CA229,489A patent/CA1063264A/en not_active Expired
- 1975-06-18 SE SE7507013A patent/SE410306B/xx unknown
- 1975-06-19 FI FI751833A patent/FI62275C/fi not_active IP Right Cessation
- 1975-06-20 GB GB26229/75A patent/GB1512693A/en not_active Expired
- 1975-06-20 BR BR7504965D patent/BR7503861A/pt unknown
- 1975-06-20 NL NLAANVRAGE7507418,A patent/NL171568C/xx not_active IP Right Cessation
- 1975-06-20 IT IT5015775A patent/IT1040676B/it active
- 1975-06-20 NO NO752207A patent/NO148260C/no unknown
- 1975-06-20 IL IL4753675A patent/IL47536A/xx unknown
- 1975-06-20 CH CH806475A patent/CH609652A5/xx not_active IP Right Cessation
- 1975-06-20 JP JP50074558A patent/JPS5929320B2/ja not_active Expired
- 1975-06-20 FR FR7519419A patent/FR2275408A1/fr active Granted
- 1975-06-20 DE DE2527588A patent/DE2527588C2/de not_active Expired
- 1975-06-20 DK DK281875A patent/DK281875A/da not_active Application Discontinuation
- 1975-06-21 EG EG35475A patent/EG11772A/xx active
- 1975-06-23 IE IE1394/75A patent/IE41385B1/xx unknown
- 1975-06-23 IN IN1237/CAL/1975A patent/IN144405B/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3729127A1 (de) * | 1987-09-01 | 1989-03-09 | Taetzner Wolfgang | Verfahren und vorrichtung zur biologischen reinigung von abwaessern von ihren phosphat-verunreinigungen |
Also Published As
| Publication number | Publication date |
|---|---|
| NL7507418A (nl) | 1975-12-23 |
| NO148260C (no) | 1983-09-07 |
| FR2275408A1 (fr) | 1976-01-16 |
| DK281875A (da) | 1975-12-22 |
| CA1063264A (en) | 1979-09-25 |
| NL171568B (nl) | 1982-11-16 |
| IL47536A (en) | 1978-07-31 |
| EG11772A (en) | 1977-10-31 |
| GB1512693A (en) | 1978-06-01 |
| IN144405B (enExample) | 1978-04-29 |
| NO752207L (enExample) | 1975-12-23 |
| NO148260B (no) | 1983-05-30 |
| FI751833A7 (enExample) | 1975-12-22 |
| CH609652A5 (en) | 1979-03-15 |
| FI62275B (fi) | 1982-08-31 |
| DE2527588A1 (de) | 1976-01-15 |
| IL47536A0 (en) | 1975-08-31 |
| IE41385B1 (en) | 1979-12-19 |
| FR2275408B1 (enExample) | 1982-07-16 |
| IT1040676B (it) | 1979-12-20 |
| NL171568C (nl) | 1983-04-18 |
| JPS5114757A (enExample) | 1976-02-05 |
| TR18849A (tr) | 1977-11-01 |
| IE41385L (en) | 1975-12-21 |
| JPS5929320B2 (ja) | 1984-07-19 |
| BR7503861A (pt) | 1976-07-06 |
| FI62275C (fi) | 1982-12-10 |
| AU8232675A (en) | 1976-12-23 |
| AR206820A1 (es) | 1976-08-23 |
| SE410306B (sv) | 1979-10-08 |
| SE7507013L (sv) | 1975-12-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant |
Owner name: BIOSPHERICS INC., 20852 ROCKVILLE, MD., US |
|
| D2 | Grant after examination | ||
| 8363 | Opposition against the patent | ||
| 8365 | Fully valid after opposition proceedings | ||
| 8380 | Miscellaneous part iii |
Free format text: SEITE 2, ZEILE 8 "ABEGESETZT" AENDERN IN "ABGESETZT" SEITE 3, ZEILE 45 "ZURUECKGEFUEHRTEN ANAEROBEN" AENDERN IN "ZURUECKGEFUEHRTEM ANAEROBEM" SEITE 4, ZEILE 54 IST NACH "LEITUNG 15" DAS WORT "ZUGEFUEHRT" ZU SETZEN |