CA1063263A - Continuous introduction of oxygen-containing gases into effluent containing activated sludge - Google Patents
Continuous introduction of oxygen-containing gases into effluent containing activated sludgeInfo
- Publication number
- CA1063263A CA1063263A CA 248281 CA248281A CA1063263A CA 1063263 A CA1063263 A CA 1063263A CA 248281 CA248281 CA 248281 CA 248281 A CA248281 A CA 248281A CA 1063263 A CA1063263 A CA 1063263A
- Authority
- CA
- Canada
- Prior art keywords
- gas
- oxygen
- activated sludge
- effluent
- inlets
- 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
- 239000007789 gas Substances 0.000 title claims abstract description 87
- 239000001301 oxygen Substances 0.000 title claims abstract description 45
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 45
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 44
- 239000010802 sludge Substances 0.000 title abstract description 37
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 230000001174 ascending effect Effects 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000855 fermentation Methods 0.000 claims description 3
- 230000004151 fermentation Effects 0.000 claims description 3
- 230000002706 hydrostatic effect Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract description 9
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 208000036366 Sensation of pressure Diseases 0.000 abstract 1
- 239000002912 waste gas Substances 0.000 description 3
- 239000006185 dispersion Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000005276 aerator Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 230000031018 biological processes and functions Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 230000001877 deodorizing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 101150115538 nero gene Proteins 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- -1 oxygen per se Chemical compound 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000009931 pascalization Methods 0.000 description 1
- 230000005501 phase interface Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- C02F3/26—Activated sludge processes using pure oxygen or oxygen-rich gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/40—Mixing liquids with liquids; Emulsifying
- B01F23/45—Mixing liquids with liquids; Emulsifying using flow mixing
- B01F23/454—Mixing liquids with liquids; Emulsifying using flow mixing by injecting a mixture of liquid and gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
-
- 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
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2512815A DE2512815C2 (de) | 1975-03-22 | 1975-03-22 | Vorrichtung zur biologischen Abwasserbehandlung |
| DE19752516914 DE2516914A1 (de) | 1975-04-17 | 1975-04-17 | Einstufiges verfahren zum kontinuierlichen eintrag von sauerstoffhaltigen gasen in ein belebtschlammhaltiges abwasser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1063263A true CA1063263A (en) | 1979-09-25 |
Family
ID=25768677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 248281 Expired CA1063263A (en) | 1975-03-22 | 1976-03-19 | Continuous introduction of oxygen-containing gases into effluent containing activated sludge |
Country Status (9)
| Country | Link |
|---|---|
| JP (1) | JPS51117453A (xx) |
| AU (1) | AU524259B2 (xx) |
| CA (1) | CA1063263A (xx) |
| CH (1) | CH614683A5 (xx) |
| DK (1) | DK121176A (xx) |
| FR (1) | FR2305400A1 (xx) |
| GB (1) | GB1527424A (xx) |
| NL (1) | NL7602978A (xx) |
| SE (1) | SE7602245L (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2705243A1 (de) * | 1977-02-09 | 1978-08-17 | Bayer Ag | Einstufiges verfahren zum kontinuierlichen eintrag von sauerstoffhaltigen gasen in ein belebtschlammhaltiges abwasser |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49113463A (xx) * | 1973-03-01 | 1974-10-29 |
-
1976
- 1976-02-24 SE SE7602245A patent/SE7602245L/ not_active Application Discontinuation
- 1976-03-17 AU AU12094/76A patent/AU524259B2/en not_active Expired
- 1976-03-18 CH CH343376A patent/CH614683A5/xx not_active IP Right Cessation
- 1976-03-19 CA CA 248281 patent/CA1063263A/en not_active Expired
- 1976-03-19 GB GB1113076A patent/GB1527424A/en not_active Expired
- 1976-03-19 DK DK121176A patent/DK121176A/da unknown
- 1976-03-19 JP JP2935776A patent/JPS51117453A/ja active Pending
- 1976-03-22 NL NL7602978A patent/NL7602978A/xx not_active Application Discontinuation
- 1976-03-22 FR FR7608259A patent/FR2305400A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2305400B1 (xx) | 1982-03-05 |
| CH614683A5 (en) | 1979-12-14 |
| JPS51117453A (en) | 1976-10-15 |
| NL7602978A (nl) | 1976-09-24 |
| FR2305400A1 (fr) | 1976-10-22 |
| AU524259B2 (en) | 1982-09-09 |
| AU1209476A (en) | 1977-09-22 |
| DK121176A (da) | 1976-09-23 |
| GB1527424A (en) | 1978-10-04 |
| SE7602245L (sv) | 1976-09-23 |
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