CA1084179A - Procede d'epuration biologique des eaux usees - Google Patents
Procede d'epuration biologique des eaux useesInfo
- Publication number
- CA1084179A CA1084179A CA286,948A CA286948A CA1084179A CA 1084179 A CA1084179 A CA 1084179A CA 286948 A CA286948 A CA 286948A CA 1084179 A CA1084179 A CA 1084179A
- Authority
- CA
- Canada
- Prior art keywords
- sludge
- phase
- flow
- oxygen addition
- stage
- 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
- 239000002351 wastewater Substances 0.000 title claims abstract description 19
- 238000000746 purification Methods 0.000 title claims abstract description 9
- 238000000034 method Methods 0.000 title claims description 26
- 239000010802 sludge Substances 0.000 claims abstract description 87
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 34
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 34
- 239000001301 oxygen Substances 0.000 claims abstract description 34
- 238000005352 clarification Methods 0.000 claims abstract description 16
- 238000000926 separation method Methods 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 239000012071 phase Substances 0.000 claims abstract description 12
- 239000007791 liquid phase Substances 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 9
- 230000008719 thickening Effects 0.000 claims abstract description 8
- 238000005188 flotation Methods 0.000 claims description 6
- 238000007792 addition Methods 0.000 description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 17
- 238000004062 sedimentation Methods 0.000 description 6
- 239000008213 purified water Substances 0.000 description 4
- 238000005273 aeration Methods 0.000 description 3
- 239000010796 biological waste Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 229960003903 oxygen Drugs 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000002562 thickening agent 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
- C02F1/385—Treatment of water, waste water, or sewage by centrifugal separation by centrifuging suspensions
-
- 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
-
- 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
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Activated Sludge Processes (AREA)
- Physical Water Treatments (AREA)
- Centrifugal Separators (AREA)
- Treatment Of Sludge (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7610325-8 | 1976-09-17 | ||
| SE7610325A SE7610325L (sv) | 1976-09-17 | 1976-09-17 | Forfarande for genomforande av biologisk avloppsvattenrening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1084179A true CA1084179A (fr) | 1980-08-19 |
Family
ID=20328905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA286,948A Expired CA1084179A (fr) | 1976-09-17 | 1977-09-16 | Procede d'epuration biologique des eaux usees |
Country Status (6)
| Country | Link |
|---|---|
| CA (1) | CA1084179A (fr) |
| DE (1) | DE2741021A1 (fr) |
| FR (1) | FR2364861A1 (fr) |
| GB (1) | GB1563160A (fr) |
| IT (1) | IT1087506B (fr) |
| SE (1) | SE7610325L (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4452699A (en) * | 1981-05-07 | 1984-06-05 | Shinryo Air Conditioning Co., Ltd. | Method of improving the SVI of mixed liquor in aeration tank |
-
1976
- 1976-09-17 SE SE7610325A patent/SE7610325L/xx unknown
-
1977
- 1977-09-12 GB GB37954/77A patent/GB1563160A/en not_active Expired
- 1977-09-12 DE DE19772741021 patent/DE2741021A1/de not_active Withdrawn
- 1977-09-12 IT IT2745777A patent/IT1087506B/it active
- 1977-09-16 CA CA286,948A patent/CA1084179A/fr not_active Expired
- 1977-09-16 FR FR7727986A patent/FR2364861A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2364861B1 (fr) | 1980-04-30 |
| SE7610325L (sv) | 1978-03-18 |
| IT1087506B (it) | 1985-06-04 |
| GB1563160A (en) | 1980-03-19 |
| DE2741021A1 (de) | 1978-03-23 |
| FR2364861A1 (fr) | 1978-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4681685A (en) | Method and apparatus for concentrating bioparticles | |
| US4082671A (en) | Sludge thickening apparatus | |
| GB896997A (en) | Improvements in or relating to a method and an apparatus for purifying the unclarified waste water in the paper and pulp and like industries | |
| EP0002769B1 (fr) | Procédé pour l'épuration biologique d'eau résiduaire | |
| GB1449892A (en) | Clarifiers for clarifying liquids onctaining particles in suspension electrical system for supplying power to a load through a static inverter | |
| US5358605A (en) | Process for recycling waste paper | |
| EP0366429A3 (fr) | Appareil et un procédé pour séparer et éliminer des substances étrangères d'un courant liquide | |
| CA2250890A1 (fr) | Procede d'epuration biologique d'eaux usees | |
| SE449741B (sv) | Forfarande for rening av avloppsvatten, serskilt avloppsvatten som uppstar i treforedlingsindustrin | |
| JPS5575787A (en) | Waste water settlement separation | |
| US3248323A (en) | Waste treatment with anaerobic digestion | |
| CA1084179A (fr) | Procede d'epuration biologique des eaux usees | |
| AU6637296A (en) | Process for purifying waste water | |
| GB1226888A (fr) | ||
| GB1256997A (fr) | ||
| CA2052154A1 (fr) | Systemes et methodes de purification de liquides | |
| US4175041A (en) | Apparatus for degassing floating sludge | |
| JPS647920A (en) | Solid-liquid separation device | |
| US4173534A (en) | Sludge thickening apparatus and process | |
| EP1027292B1 (fr) | Procede d'epuration biologique des eaux usees par retenue des boues | |
| US4271027A (en) | Sewage treatment system and process | |
| IL38574A (en) | Method and apparatus for chemically purifying sewage | |
| KR0173968B1 (ko) | 폐수처리 공정에서 고-액분리 및 농축방법 | |
| US4138328A (en) | Use of a high capacity aeration compartment in a multiple aeration system | |
| EP0223280A1 (fr) | Système à étages multiples pour le traitement anaérobie d'eau usée |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |