CA2095731C - Wastewater treatment process - Google Patents
Wastewater treatment processInfo
- Publication number
- CA2095731C CA2095731C CA 2095731 CA2095731A CA2095731C CA 2095731 C CA2095731 C CA 2095731C CA 2095731 CA2095731 CA 2095731 CA 2095731 A CA2095731 A CA 2095731A CA 2095731 C CA2095731 C CA 2095731C
- Authority
- CA
- Canada
- Prior art keywords
- wastewater treatment
- treatment system
- tank
- partition
- collector
- 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 - Fee Related
Links
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title abstract description 10
- 238000005192 partition Methods 0.000 claims abstract description 16
- 238000005273 aeration Methods 0.000 claims abstract description 12
- 238000007667 floating Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 9
- 239000011152 fibreglass Substances 0.000 claims abstract description 4
- 101100346656 Drosophila melanogaster strat gene Proteins 0.000 claims abstract 2
- 125000004122 cyclic group Chemical group 0.000 claims description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 2
- 229910052753 mercury Inorganic materials 0.000 claims description 2
- 238000009792 diffusion process Methods 0.000 claims 3
- 239000010802 sludge Substances 0.000 description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 11
- 239000001301 oxygen Substances 0.000 description 11
- 229910052760 oxygen Inorganic materials 0.000 description 11
- 229910002651 NO3 Inorganic materials 0.000 description 9
- 239000010865 sewage Substances 0.000 description 9
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 8
- 239000002699 waste material Substances 0.000 description 7
- 238000009293 extended aeration Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- 238000007254 oxidation reaction Methods 0.000 description 4
- 241000894006 Bacteria Species 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000013517 stratification Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 description 2
- 230000014759 maintenance of location Effects 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 239000002674 ointment Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 101100452676 Arabidopsis thaliana INVB gene Proteins 0.000 description 1
- 102100035855 Cytosolic 5'-nucleotidase 1B Human genes 0.000 description 1
- 101000802746 Homo sapiens Cytosolic 5'-nucleotidase 1B Proteins 0.000 description 1
- 241000238634 Libellulidae Species 0.000 description 1
- 241001148162 Nitrobacter sp. Species 0.000 description 1
- 241000589774 Pseudomonas sp. Species 0.000 description 1
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- XIWFQDBQMCDYJT-UHFFFAOYSA-M benzyl-dimethyl-tridecylazanium;chloride Chemical compound [Cl-].CCCCCCCCCCCCC[N+](C)(C)CC1=CC=CC=C1 XIWFQDBQMCDYJT-UHFFFAOYSA-M 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010908 decantation Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000028564 filamentous growth Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- 150000002829 nitrogen Chemical class 0.000 description 1
- 230000009972 noncorrosive effect Effects 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
- B01D17/0214—Separation of non-miscible liquids by sedimentation with removal of one of the phases
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D17/00—Separation of liquids, not provided for elsewhere, e.g. by thermal diffusion
- B01D17/02—Separation of non-miscible liquids
- B01D17/0208—Separation of non-miscible liquids by sedimentation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/02—Settling tanks with single outlets for the separated liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2405—Feed mechanisms for settling tanks
- B01D21/2416—Liquid distributors with a plurality of feed points
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/24—Feed or discharge mechanisms for settling tanks
- B01D21/2444—Discharge mechanisms for the classified liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D21/00—Separation of suspended solid particles from liquids by sedimentation
- B01D21/30—Control equipment
- B01D21/34—Controlling the feed distribution; Controlling the liquid level ; Control of process parameters
-
- 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
- C02F3/006—Regulation methods for biological treatment
-
- 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
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1242—Small compact installations for use in homes, apartment blocks, hotels or the like
-
- 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
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1263—Sequencing batch reactors [SBR]
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/42—Liquid level
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/44—Time
-
- 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)
- Water Supply & Treatment (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Activated Sludge Processes (AREA)
- Physical Water Treatments (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Control Of Electric Motors In General (AREA)
- Emergency Protection Circuit Devices (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Priority Applications (15)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/753,860 US5186821A (en) | 1991-09-03 | 1991-09-03 | Wastewater treatment process with cooperating velocity equalization, aeration and decanting means |
| EP92920583A EP0575567B1 (en) | 1991-09-03 | 1992-09-03 | Wastewater treatment process |
| AU26527/92A AU673656B2 (en) | 1991-09-03 | 1992-09-03 | Wastewater treatment process |
| HU9301908A HU214473B (hu) | 1991-09-03 | 1992-09-03 | Szennyvízkezelő berendezés |
| RU93056860A RU2097102C1 (ru) | 1991-09-03 | 1992-09-03 | Система очистки сточных вод |
| DE69206261T DE69206261T2 (de) | 1991-09-03 | 1992-09-03 | Verfahren zur behandlung von abwasser. |
| DK92920583T DK0575567T3 (da) | 1991-09-03 | 1992-09-03 | Fremgangsmåde ved behandling af spildevand |
| AT92920583T ATE130526T1 (de) | 1991-09-03 | 1992-09-03 | Verfahren zur behandlung von abwasser. |
| CA 2095731 CA2095731C (en) | 1991-09-03 | 1992-09-03 | Wastewater treatment process |
| ES92920583T ES2082506T3 (es) | 1991-09-03 | 1992-09-03 | Procedimiento de tratamiento de aguas residuales. |
| PCT/US1992/007638 WO1993004759A1 (en) | 1991-09-03 | 1992-09-03 | Wastewater treatment process |
| NO931999A NO931999D0 (no) | 1991-09-03 | 1993-06-02 | Fremgangsmaate for behandling av avloepsvann |
| FI933177A FI933177A0 (fi) | 1991-09-03 | 1993-07-12 | System foer behandling av avloppsvatten |
| MW13093A MW13093A1 (en) | 1991-09-03 | 1993-11-22 | Wastewater treatment process with cooperating velocity equalization, aeration and decanting means |
| GR960400442T GR3019039T3 (en) | 1991-09-03 | 1996-02-21 | Wastewater treatment process |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US07/753,860 US5186821A (en) | 1991-09-03 | 1991-09-03 | Wastewater treatment process with cooperating velocity equalization, aeration and decanting means |
| CA 2095731 CA2095731C (en) | 1991-09-03 | 1992-09-03 | Wastewater treatment process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2095731A1 CA2095731A1 (en) | 1994-03-04 |
| CA2095731C true CA2095731C (en) | 1998-12-08 |
Family
ID=25676156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2095731 Expired - Fee Related CA2095731C (en) | 1991-09-03 | 1992-09-03 | Wastewater treatment process |
Country Status (15)
| Country | Link |
|---|---|
| US (1) | US5186821A (OSRAM) |
| EP (1) | EP0575567B1 (OSRAM) |
| AT (1) | ATE130526T1 (OSRAM) |
| AU (1) | AU673656B2 (OSRAM) |
| CA (1) | CA2095731C (OSRAM) |
| DE (1) | DE69206261T2 (OSRAM) |
| DK (1) | DK0575567T3 (OSRAM) |
| ES (1) | ES2082506T3 (OSRAM) |
| FI (1) | FI933177A0 (OSRAM) |
| GR (1) | GR3019039T3 (OSRAM) |
| HU (1) | HU214473B (OSRAM) |
| MW (1) | MW13093A1 (OSRAM) |
| NO (1) | NO931999D0 (OSRAM) |
| RU (1) | RU2097102C1 (OSRAM) |
| WO (1) | WO1993004759A1 (OSRAM) |
Families Citing this family (75)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5207896A (en) * | 1990-02-09 | 1993-05-04 | Norwalk Wastewater Equipment Company | Wastewater treatment mechanism |
| USD347257S (en) | 1991-06-20 | 1994-05-24 | Mcgrew Jr Henry E | Septic tank for holding sewerage |
| US5234580A (en) * | 1991-09-03 | 1993-08-10 | Murphy D Thomas | Decanting apparatus with float supported submerged pump |
| US5384049A (en) * | 1991-09-03 | 1995-01-24 | Murphy; D. Thomas | Wastewater treatment process |
| US5759415A (en) * | 1991-10-02 | 1998-06-02 | Vortechnics, Inc. | Method and apparatus for separating floating and non-floating particulate from rainwater drainage |
| US5374353A (en) * | 1993-01-21 | 1994-12-20 | Murphy; D. Thomas | Aeration train and aeration apparatus for biological purification of wastewater |
| US5316671A (en) * | 1993-01-21 | 1994-05-31 | Murphy D Thomas | Submersible aeration train and aeration apparatus for biological purification of sewage |
| US5421995A (en) * | 1993-07-01 | 1995-06-06 | Jmo Holding, Inc. | Sludge blanket level detector suspended from floating decanter |
| AU6295894A (en) * | 1994-01-24 | 1995-08-08 | Thomas D. Murphy | Wastewater treatment process |
| AUPM435594A0 (en) * | 1994-03-11 | 1994-03-31 | Crc For Waste Management And Pollution Control Limited | Method of operating sequencing batch reactors |
| US5468375A (en) * | 1994-05-09 | 1995-11-21 | Nova Power Systems, Ltd. | Wastewater pretreatment tank assembly |
| SE504228C2 (sv) * | 1995-04-24 | 1996-12-09 | Team Aqua Laeckeby Ab | Dekanteringsanordning |
| US6638424B2 (en) | 2000-01-19 | 2003-10-28 | Jensen Enterprises | Stormwater treatment apparatus |
| CN1134286C (zh) * | 1996-12-20 | 2004-01-14 | Usf过滤分离集团公司 | 净化方法 |
| ATE209164T1 (de) * | 1997-02-28 | 2001-12-15 | Rudolf Kahr | Modulare kläranlage und verfahren zu ihrem betrieb |
| US6047724A (en) * | 1998-02-11 | 2000-04-11 | Nurse, Jr.; Harry L. | Risers for a waste water treatment facility |
| US6012020A (en) * | 1998-05-21 | 2000-01-04 | Gardell; Steven E | Apparatus and method for monitoring the condition of septic tanks |
| EP1113997B1 (en) * | 1998-07-24 | 2009-07-01 | Paques Bio Systems B.V. | Process for the treatment of waste water containing ammonia |
| AU6502799A (en) | 1998-09-28 | 2000-04-17 | Glen D. Lindbo | Wastewater treatment tank with influent gates and pre-react zone with an outwardly flared lower portion |
| US6110383A (en) * | 1999-01-28 | 2000-08-29 | Coombs Industrial Services, Inc. | Oil/water separator |
| DE19907980C2 (de) * | 1999-02-25 | 2002-09-05 | Markus Baumann | Integrierte Vorrichtung zum Behandeln von Abwasser in Kleinkläranlagen, insbesondere Einbecken-Kläranlagen |
| US6315131B1 (en) * | 1999-03-22 | 2001-11-13 | Universal Separators, Inc. | Multi-directional flow gravity Separator |
| US6261452B1 (en) | 1999-12-23 | 2001-07-17 | American Manufacturing Company, Inc. | Laminar flow collar for use in a wastewater management system |
| US6350374B1 (en) | 2000-01-19 | 2002-02-26 | Jensen Enterprises, Inc. | Stormwater treatment apparatus |
| US7638065B2 (en) * | 2000-01-19 | 2009-12-29 | Jensen Precast | Stormwater treatment apparatus and method |
| FR2808455B1 (fr) * | 2000-05-03 | 2003-02-14 | Schlumberger Services Petrol | Installation et procede pour la separation d'effluents multiphasiques |
| US6409914B1 (en) | 2000-08-22 | 2002-06-25 | Crystal River Industries, Inc. | Waste treatment unit |
| USD445477S1 (en) | 2000-11-14 | 2001-07-24 | John Everett Pomier | Waste water treatment tank |
| AUPR421501A0 (en) | 2001-04-04 | 2001-05-03 | U.S. Filter Wastewater Group, Inc. | Potting method |
| AUPR692401A0 (en) * | 2001-08-09 | 2001-08-30 | U.S. Filter Wastewater Group, Inc. | Method of cleaning membrane modules |
| US7247238B2 (en) * | 2002-02-12 | 2007-07-24 | Siemens Water Technologies Corp. | Poly(ethylene chlorotrifluoroethylene) membranes |
| US7160474B2 (en) * | 2004-11-08 | 2007-01-09 | Darin Merle Harding | Method and apparatus for removing cuttings from drilling fluids |
| US7544302B2 (en) * | 2004-11-08 | 2009-06-09 | Darin Merle Harding | Method and apparatus for removing cuttings from drilling fluids |
| AUPS300602A0 (en) | 2002-06-18 | 2002-07-11 | U.S. Filter Wastewater Group, Inc. | Methods of minimising the effect of integrity loss in hollow fibre membrane modules |
| WO2004033078A1 (en) * | 2002-10-10 | 2004-04-22 | U.S. Filter Wastewater Group, Inc. | Backwash method |
| CA2535360C (en) | 2003-08-29 | 2013-02-12 | U.S. Filter Wastewater Group, Inc. | Backwash |
| CA2544626C (en) | 2003-11-14 | 2016-01-26 | U.S. Filter Wastewater Group, Inc. | Closed aeration and backwash device for use with membrane filtration module |
| WO2005092799A1 (en) | 2004-03-26 | 2005-10-06 | U.S. Filter Wastewater Group, Inc. | Process and apparatus for purifying impure water using microfiltration or ultrafiltration in combination with reverse osmosis |
| US7243802B2 (en) * | 2004-05-13 | 2007-07-17 | Enviro Enterprises, Inc. | Inlet structure for clarifiers |
| US8790515B2 (en) * | 2004-09-07 | 2014-07-29 | Evoqua Water Technologies Llc | Reduction of backwash liquid waste |
| NZ553742A (en) | 2004-09-14 | 2010-09-30 | Siemens Water Tech Corp | Methods and apparatus for removing solids from a membrane module |
| US8377305B2 (en) | 2004-09-15 | 2013-02-19 | Siemens Industry, Inc. | Continuously variable aeration |
| CA2591408C (en) | 2004-12-24 | 2015-07-21 | Siemens Water Technologies Corp. | Cleaning in membrane filtration systems |
| NZ555987A (en) | 2004-12-24 | 2009-08-28 | Siemens Water Tech Corp | Simple gas scouring method and apparatus |
| DE102005007408A1 (de) | 2005-02-18 | 2006-08-24 | Holm, Niels Christian, Dr. | Verfahren zur Verbesserung der Denitrifikation und Bio-P-Elimination beim SBR-Verfahren |
| WO2006116797A1 (en) | 2005-04-29 | 2006-11-09 | Siemens Water Technologies Corp. | Chemical clean for membrane filter |
| EP1945333B1 (en) * | 2005-08-22 | 2011-06-08 | Siemens Industry, Inc. | An assembly for water filtration to minimise backwash volume |
| WO2007044415A2 (en) * | 2005-10-05 | 2007-04-19 | Siemens Water Technologies Corp. | Method and apparatus for treating wastewater |
| WO2007054912A1 (en) * | 2005-11-10 | 2007-05-18 | Paterson & Cooke Consulting Engineers (Proprietary) Limited | A de-watering apparatus |
| WO2008051546A2 (en) | 2006-10-24 | 2008-05-02 | Siemens Water Technologies Corp. | Infiltration/inflow control for membrane bioreactor |
| US7674372B2 (en) * | 2007-01-26 | 2010-03-09 | Graves Jan D | Wastewater flow equalization system and method |
| EP2129629A1 (en) | 2007-04-02 | 2009-12-09 | Siemens Water Technologies Corp. | Improved infiltration/inflow control for membrane bioreactor |
| US9764288B2 (en) | 2007-04-04 | 2017-09-19 | Evoqua Water Technologies Llc | Membrane module protection |
| CN106040002B (zh) | 2007-05-29 | 2020-01-10 | 懿华水处理技术有限责任公司 | 使用脉冲气提泵的膜清洗 |
| US7972505B2 (en) * | 2008-07-22 | 2011-07-05 | Trans Terra Corporation | Primary equalization settling tank |
| CA2731774A1 (en) | 2008-07-24 | 2010-01-28 | Siemens Water Technologies Corp. | Frame system for membrane filtration modules |
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| AU2010101488B4 (en) | 2009-06-11 | 2013-05-02 | Evoqua Water Technologies Llc | Methods for cleaning a porous polymeric membrane and a kit for cleaning a porous polymeric membrane |
| HUE045642T2 (hu) | 2010-04-30 | 2020-01-28 | Evoqua Water Tech Llc | Folyadékáramlás elosztó készülék |
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| CA2850078A1 (en) * | 2011-09-16 | 2013-03-21 | Babak Rezania | Methods and apparatus for nitrogen removal from wastewater |
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| KR101964484B1 (ko) | 2011-09-30 | 2019-04-01 | 에보쿠아 워터 테크놀로지스 엘엘씨 | 개선된 매니폴드 배열 |
| AU2013280452B2 (en) | 2012-06-28 | 2017-07-20 | Evoqua Water Technologies Llc | A potting method |
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| US9764289B2 (en) | 2012-09-26 | 2017-09-19 | Evoqua Water Technologies Llc | Membrane securement device |
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| CN104003571B (zh) * | 2013-02-27 | 2016-04-06 | 宁波市恒洁水务发展有限公司 | 生物脱氮系统的工艺 |
| RU2553875C2 (ru) * | 2013-08-16 | 2015-06-20 | Сергей Васильевич Лузан | Устройство для насыщения воды кислородом |
| HUE061765T2 (hu) | 2013-10-02 | 2023-08-28 | Rohm & Haas Electronic Mat Singapore Pte Ltd | Berendezés membrán filtrációs modul javítására |
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| US2140059A (en) * | 1936-05-12 | 1938-12-13 | Simonsen Arntz | Decanting mechanism |
| US3907672A (en) * | 1972-04-21 | 1975-09-23 | George A Milne | Aerobic sewage digestion system |
| US3834536A (en) * | 1973-10-10 | 1974-09-10 | Northern Purification Services | Aerobic wastewater treatment apparatus |
| US4278541A (en) * | 1978-03-14 | 1981-07-14 | Amstar Corporation | Separator employing an annular vertical feedwell with associated concentric annular baffle plate and method of using same to separate solids from liquids |
| US4230578A (en) * | 1979-04-09 | 1980-10-28 | Jet, Inc. | Sewage effluent volume control and alarm arrangement for pressurized sewage disposal system |
| US4695376A (en) * | 1986-10-20 | 1987-09-22 | Aqua-Aerobic Systems, Inc. | Floating decanter |
| US5104528A (en) * | 1990-09-24 | 1992-04-14 | Christie Stanley E | Floating decanter |
-
1991
- 1991-09-03 US US07/753,860 patent/US5186821A/en not_active Expired - Lifetime
-
1992
- 1992-09-03 HU HU9301908A patent/HU214473B/hu not_active IP Right Cessation
- 1992-09-03 DE DE69206261T patent/DE69206261T2/de not_active Expired - Fee Related
- 1992-09-03 CA CA 2095731 patent/CA2095731C/en not_active Expired - Fee Related
- 1992-09-03 AT AT92920583T patent/ATE130526T1/de not_active IP Right Cessation
- 1992-09-03 DK DK92920583T patent/DK0575567T3/da active
- 1992-09-03 EP EP92920583A patent/EP0575567B1/en not_active Expired - Lifetime
- 1992-09-03 ES ES92920583T patent/ES2082506T3/es not_active Expired - Lifetime
- 1992-09-03 AU AU26527/92A patent/AU673656B2/en not_active Ceased
- 1992-09-03 WO PCT/US1992/007638 patent/WO1993004759A1/en not_active Ceased
- 1992-09-03 RU RU93056860A patent/RU2097102C1/ru active
-
1993
- 1993-06-02 NO NO931999A patent/NO931999D0/no unknown
- 1993-07-12 FI FI933177A patent/FI933177A0/fi not_active Application Discontinuation
- 1993-11-22 MW MW13093A patent/MW13093A1/xx unknown
-
1996
- 1996-02-21 GR GR960400442T patent/GR3019039T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU2652792A (en) | 1993-04-05 |
| GR3019039T3 (en) | 1996-05-31 |
| HU9301908D0 (en) | 1993-11-29 |
| AU673656B2 (en) | 1996-11-21 |
| ATE130526T1 (de) | 1995-12-15 |
| EP0575567A1 (en) | 1993-12-29 |
| US5186821A (en) | 1993-02-16 |
| EP0575567A4 (OSRAM) | 1994-01-19 |
| HU214473B (hu) | 1998-03-30 |
| ES2082506T3 (es) | 1996-03-16 |
| FI933177A7 (fi) | 1993-07-12 |
| DE69206261D1 (de) | 1996-01-04 |
| CA2095731A1 (en) | 1994-03-04 |
| RU2097102C1 (ru) | 1997-11-27 |
| NO931999D0 (no) | 1993-06-02 |
| DK0575567T3 (da) | 1996-04-09 |
| FI933177A0 (fi) | 1993-07-12 |
| WO1993004759A1 (en) | 1993-03-18 |
| HUT68998A (en) | 1995-08-28 |
| EP0575567B1 (en) | 1995-11-22 |
| DE69206261T2 (de) | 1996-07-04 |
| MW13093A1 (en) | 1994-10-12 |
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| MKLA | Lapsed |