BE493276A - - Google Patents
Info
- Publication number
- BE493276A BE493276A BE493276DA BE493276A BE 493276 A BE493276 A BE 493276A BE 493276D A BE493276D A BE 493276DA BE 493276 A BE493276 A BE 493276A
- Authority
- BE
- Belgium
- Prior art keywords
- mixture
- tank
- aeration
- zone
- liquid
- Prior art date
Links
- 238000005273 aeration Methods 0.000 claims description 92
- 239000010865 sewage Substances 0.000 claims description 88
- 239000007788 liquid Substances 0.000 claims description 84
- 239000010802 sludge Substances 0.000 claims description 83
- 239000000203 mixture Substances 0.000 claims description 57
- 238000000034 method Methods 0.000 claims description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 54
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 33
- 239000001301 oxygen Substances 0.000 claims description 33
- 229910052760 oxygen Inorganic materials 0.000 claims description 33
- 230000008569 process Effects 0.000 claims description 33
- 238000005352 clarification Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 17
- 238000005192 partition Methods 0.000 claims description 16
- 239000002699 waste material Substances 0.000 claims description 16
- 238000000746 purification Methods 0.000 claims description 14
- 239000007787 solid Substances 0.000 claims description 14
- 230000014759 maintenance of location Effects 0.000 claims description 12
- 239000007789 gas Substances 0.000 claims description 11
- 238000000926 separation method Methods 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 8
- 125000004122 cyclic group Chemical group 0.000 claims description 7
- 230000000717 retained effect Effects 0.000 claims description 6
- 239000006185 dispersion Substances 0.000 claims description 5
- 238000004062 sedimentation Methods 0.000 claims description 3
- 239000012258 stirred mixture Substances 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 claims description 2
- 230000001174 ascending effect Effects 0.000 claims 2
- 230000030279 gene silencing Effects 0.000 claims 1
- 238000012423 maintenance Methods 0.000 claims 1
- 238000009423 ventilation Methods 0.000 claims 1
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 241000894006 Bacteria Species 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 6
- 238000002156 mixing Methods 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 238000013019 agitation Methods 0.000 description 4
- 238000000151 deposition Methods 0.000 description 4
- 230000000630 rising effect Effects 0.000 description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 3
- 238000005054 agglomeration Methods 0.000 description 3
- 230000002776 aggregation Effects 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000005276 aerator Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 244000126968 Kalanchoe pinnata Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 241001148470 aerobic bacillus Species 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 244000309466 calf Species 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- UHZZMRAGKVHANO-UHFFFAOYSA-M chlormequat chloride Chemical compound [Cl-].C[N+](C)(C)CCCl UHZZMRAGKVHANO-UHFFFAOYSA-M 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000010801 sewage sludge Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 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
- C02F3/20—Activated sludge processes using diffusers
- C02F3/205—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors
- C02F3/207—Moving, e.g. rotary, diffusers; Stationary diffusers with moving, e.g. rotary, distributors with axial thrust propellers
-
- 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)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE493276A true BE493276A (de) |
Family
ID=137319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE493276D BE493276A (de) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE493276A (de) |
-
0
- BE BE493276D patent/BE493276A/fr unknown
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