DE2159366C3 - Verfahren zur biologischen Reinigung von Abwässern mit aktiviertem Schlamm - Google Patents
Verfahren zur biologischen Reinigung von Abwässern mit aktiviertem SchlammInfo
- Publication number
- DE2159366C3 DE2159366C3 DE2159366A DE2159366A DE2159366C3 DE 2159366 C3 DE2159366 C3 DE 2159366C3 DE 2159366 A DE2159366 A DE 2159366A DE 2159366 A DE2159366 A DE 2159366A DE 2159366 C3 DE2159366 C3 DE 2159366C3
- Authority
- DE
- Germany
- Prior art keywords
- oxygen
- activated sludge
- wastewater
- basin
- treatment
- 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
- 238000000034 method Methods 0.000 title claims description 18
- 239000010802 sludge Substances 0.000 title claims description 16
- 239000002351 wastewater Substances 0.000 title claims description 8
- 239000001301 oxygen Substances 0.000 claims description 30
- 229910052760 oxygen Inorganic materials 0.000 claims description 30
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 29
- 238000005188 flotation Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000007789 gas Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 4
- 239000000725 suspension Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims description 2
- 229910001882 dioxygen Inorganic materials 0.000 claims 1
- 238000005352 clarification Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000004071 biological effect Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 150000002926 oxygen Chemical class 0.000 description 1
- 238000001935 peptisation Methods 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000004065 wastewater treatment 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
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
- C02F3/1289—Aeration by saturation under super-atmospheric pressure
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
-
- 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
- C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
-
- 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)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Physical Water Treatments (AREA)
- Water Treatment By Sorption (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7043345A FR2116662A5 (enExample) | 1970-12-02 | 1970-12-02 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2159366A1 DE2159366A1 (de) | 1972-06-22 |
| DE2159366B2 DE2159366B2 (de) | 1980-05-14 |
| DE2159366C3 true DE2159366C3 (de) | 1985-10-24 |
Family
ID=9065086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2159366A Expired DE2159366C3 (de) | 1970-12-02 | 1971-11-30 | Verfahren zur biologischen Reinigung von Abwässern mit aktiviertem Schlamm |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE775870A (enExample) |
| DE (1) | DE2159366C3 (enExample) |
| FR (1) | FR2116662A5 (enExample) |
| GB (1) | GB1362045A (enExample) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2737609A1 (de) * | 1976-08-23 | 1978-03-02 | Mitsui Toatsu Chemicals | Verfahren zur abwasserreinigung |
| DE2800035C2 (de) * | 1978-01-02 | 1985-06-13 | Passavant-Werke AG & Co KG, 6209 Aarbergen | Verfahren und Vorrichtung zur Abwasserreinigung |
| FI790165A7 (fi) * | 1978-02-06 | 1979-08-07 | Itt | Foerfarande foer sekundaer behandling av avfallsvatten |
| US4267050A (en) | 1979-03-21 | 1981-05-12 | Union Carbide Corporation | High solubility gas flotation in liquid-solid separation |
| DE3025653A1 (de) * | 1980-07-07 | 1982-01-28 | Wilhelm Roediger Gmbh + Co, 6450 Hanau | Belebtschlammanlage |
| DE3347525A1 (de) * | 1983-12-30 | 1985-09-05 | Bayer Ag, 5090 Leverkusen | Verfahren und vorrichtung zur flotativen abtrennung und aufkonzentrierung von biomassen und verfahren zur biologischen abwasserreinigung |
| US5411660A (en) * | 1992-11-06 | 1995-05-02 | Envirex Inc. | Apparatus for dissolving gas in liquid including pressurized bubble contactor in sidestream |
| BRPI1001307B1 (pt) * | 2010-04-15 | 2020-05-05 | Dt Engenharia De Empreendimentos Ltda | injeção de oxigênio em bacia de flotação do processo de remoção de substâncias poluentes em cursos d'água |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE865732C (de) * | 1940-01-24 | 1953-02-05 | Fredrik Dipl-Ing Juell | Verfahren und Vorrichtung zum Ausscheiden von festen Stoffen aus Suspensionen |
| US2684941A (en) * | 1948-12-02 | 1954-07-27 | Tno | Method and apparatus for aerating liquids |
| US3236766A (en) * | 1964-03-31 | 1966-02-22 | Hazleton Lab Inc | Sewage treatment process |
-
1970
- 1970-12-02 FR FR7043345A patent/FR2116662A5/fr not_active Expired
-
1971
- 1971-11-26 BE BE775870A patent/BE775870A/xx not_active IP Right Cessation
- 1971-11-30 DE DE2159366A patent/DE2159366C3/de not_active Expired
- 1971-12-02 GB GB5594071A patent/GB1362045A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1362045A (en) | 1974-07-30 |
| FR2116662A5 (enExample) | 1972-07-21 |
| BE775870A (fr) | 1972-03-16 |
| DE2159366A1 (de) | 1972-06-22 |
| DE2159366B2 (de) | 1980-05-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OGA | New person/name/address of the applicant | ||
| OD | Request for examination | ||
| 8281 | Inventor (new situation) |
Free format text: BERNARD, JACQUES, ST.GERMAIN EN LAYE, FR |
|
| C3 | Grant after two publication steps (3rd publication) |