ATE309852T1 - Differenzdrucksystem zur überwachung eines filterbettes - Google Patents
Differenzdrucksystem zur überwachung eines filterbettesInfo
- Publication number
- ATE309852T1 ATE309852T1 AT98955142T AT98955142T ATE309852T1 AT E309852 T1 ATE309852 T1 AT E309852T1 AT 98955142 T AT98955142 T AT 98955142T AT 98955142 T AT98955142 T AT 98955142T AT E309852 T1 ATE309852 T1 AT E309852T1
- Authority
- AT
- Austria
- Prior art keywords
- filter bed
- pressure
- monitoring
- differential pressure
- pressure system
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/48—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration
- B01D24/4884—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/02—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration
- B01D24/20—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed stationary during the filtration the filtering material being provided in an open container
- B01D24/24—Downward filtration, the container having distribution or collection headers or pervious conduits
-
- 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
- C02F3/10—Packings; Fillings; Grids
- C02F3/104—Granular carriers
-
- 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
- C02F2209/03—Pressure
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- 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)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
- Measuring Fluid Pressure (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/967,355 US5980755A (en) | 1997-11-07 | 1997-11-07 | Methods and apparatus for monitoring a filter bed by differential pressure |
PCT/US1998/022751 WO1999024140A1 (en) | 1997-11-07 | 1998-10-28 | Filter bed differential pressure monitoring system |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE309852T1 true ATE309852T1 (de) | 2005-12-15 |
Family
ID=25512681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT98955142T ATE309852T1 (de) | 1997-11-07 | 1998-10-28 | Differenzdrucksystem zur überwachung eines filterbettes |
Country Status (7)
Country | Link |
---|---|
US (2) | US5980755A (de) |
EP (1) | EP1059978B1 (de) |
AT (1) | ATE309852T1 (de) |
AU (1) | AU755950B2 (de) |
CA (1) | CA2309275C (de) |
DE (1) | DE69832418T2 (de) |
WO (1) | WO1999024140A1 (de) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5980755A (en) * | 1997-11-07 | 1999-11-09 | Rg, Delaware, Inc. | Methods and apparatus for monitoring a filter bed by differential pressure |
US6187194B1 (en) * | 1998-09-02 | 2001-02-13 | Ichthyotech, Ltd. | Packaged aeration and filtration system |
US6746517B2 (en) * | 2000-09-05 | 2004-06-08 | Donaldson Company, Inc. | Filter structure with two or more layers of fine fiber having extended useful service life |
US7270693B2 (en) | 2000-09-05 | 2007-09-18 | Donaldson Company, Inc. | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
US6743273B2 (en) | 2000-09-05 | 2004-06-01 | Donaldson Company, Inc. | Polymer, polymer microfiber, polymer nanofiber and applications including filter structures |
US7115150B2 (en) * | 2000-09-05 | 2006-10-03 | Donaldson Company, Inc. | Mist filtration arrangement utilizing fine fiber layer in contact with media having a pleated construction and floor filter method |
RU2300543C2 (ru) | 2001-05-31 | 2007-06-10 | Дональдсон Компани, Инк. | Составы тонкого волокна, способы их получения, способ изготовления тонковолокнистого материала |
US6532422B1 (en) | 2001-06-29 | 2003-03-11 | Honeywell International, Inc. | Simultaneous injection method and system for a self-balancing rotatable apparatus |
US6622105B2 (en) | 2001-09-10 | 2003-09-16 | Honeywell International Inc. | Dynamic correlation extension for a self-balancing rotatable apparatus |
US6665625B2 (en) | 2001-09-10 | 2003-12-16 | Honeywell International Inc | Energy-based thresholds applied dynamic balancing |
US6701561B2 (en) | 2001-09-10 | 2004-03-09 | Honeywell International Inc. | Method and system for detecting fluid injection from stationary to rotating members |
US6546354B1 (en) | 2001-11-15 | 2003-04-08 | Honeywell International, Inc. | Resonance identification extension for a self-balancing rotatable apparatus |
US6662682B2 (en) | 2001-11-15 | 2003-12-16 | Honeywell International Inc. | Dynamic balancing application mass placement |
US6681430B2 (en) | 2001-11-15 | 2004-01-27 | Honeywell International Inc. | Method and system for mechanizing simultaneous multi-actuator actions applied to dynamic balancing |
US6775870B2 (en) | 2001-11-15 | 2004-08-17 | Honeywell International Inc. | Data manipulation method and system for a self-balancing rotatable apparatus |
US6795792B2 (en) | 2001-11-15 | 2004-09-21 | Honeywell International Inc. | Continuous flow method and system for placement of balancing fluid on a rotating device requiring dynamic balancing |
US6647790B2 (en) | 2001-11-15 | 2003-11-18 | Honeywell International Inc. | Fixed-bandwidth correlation window method and system for a self-balancing rotatable apparatus |
US6687572B2 (en) | 2001-11-15 | 2004-02-03 | Honeywell International Inc. | Supervisory method and system for improved control model updates applied to dynamic balancing |
US6662818B2 (en) * | 2002-02-01 | 2003-12-16 | Perseptive Biosystems, Inc. | Programmable tracking pressure regulator for control of higher pressures in microfluidic circuits |
KR100635532B1 (ko) * | 2004-09-17 | 2006-10-18 | 김기석 | 폐수의 부유물질 자동여과장치 |
US7754089B2 (en) * | 2006-01-27 | 2010-07-13 | Rg Delaware, Inc. | Method and apparatus for monitoring an underdrain of a filter system |
CN101610825B (zh) * | 2007-01-03 | 2014-05-07 | 绿洲过滤器有限公司 | 低运行水头增泽砂过滤器 |
KR100899763B1 (ko) | 2007-09-10 | 2009-05-27 | 한국건설기술연구원 | 정수처리공정내 모래여과지 팽창률 실시간 측정장치 및측정방법 |
FR2927995B1 (fr) * | 2008-02-21 | 2010-12-24 | Degremont | Dispositif de mesure de pression d'eau dans un lit filtrant, et procede de filtration utilisant ce dispositif. |
US8454841B2 (en) | 2010-05-11 | 2013-06-04 | Roberts Marketing De, Inc. | Method of filtering water or wastewater |
US10561253B2 (en) * | 2016-07-29 | 2020-02-18 | Bryte, Inc. | Adaptive sleep system using data analytics and learning techniques to improve individual sleep conditions |
US11713991B2 (en) * | 2019-04-12 | 2023-08-01 | Norman C. Whitehead | Drop test measuring system and method(s) of use thereof |
KR102533665B1 (ko) * | 2020-07-13 | 2023-05-16 | 엘지전자 주식회사 | 공기청정기 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2858024A (en) * | 1955-01-20 | 1958-10-28 | Foxboro Co | Liquid filter backwash condition measurement |
US3618766A (en) * | 1970-01-23 | 1971-11-09 | Taulman Co The | Water treatment |
US3831755A (en) * | 1971-06-28 | 1974-08-27 | Ecodyne Corp | Filtration apparatus |
US3957637A (en) * | 1974-08-23 | 1976-05-18 | The Taulman Company | Filtration system and flow control method therefor |
US4006988A (en) * | 1975-03-26 | 1977-02-08 | Tamm Per Henric Sebastian | Photo-electric depth or turbidity meter for fluid suspensions |
US4187175A (en) * | 1978-06-23 | 1980-02-05 | Robert Filter Manufacturing Company | Treatment facility with backwash control system |
FR2519148B1 (fr) * | 1981-12-24 | 1985-09-13 | Instruments Sa | Selecteur de longueurs d'ondes |
US4524626A (en) * | 1983-10-11 | 1985-06-25 | Iowa State University Research Foundation, Inc. | Soil effective stress sensor and method of using same |
DD225781A1 (de) * | 1984-04-26 | 1985-08-07 | Wasserversorgung Abwasse | Einrichtung zur druckmessung in offenen filtern |
US4543820A (en) * | 1984-05-17 | 1985-10-01 | Iowa State University Research Foundation, Inc. | Tapered blade in situ soil testing device |
US4662213A (en) * | 1986-02-03 | 1987-05-05 | Iowa State University Research Foundation, Inc. | Back pressured pneumatic pressure cell |
US5147560A (en) * | 1990-08-01 | 1992-09-15 | Infilco Degremont Inc. | Method for monitoring turbidity of waste liquid in backwashing filter beds |
US5234600A (en) * | 1992-04-22 | 1993-08-10 | Agency Environmental, Inc. | Apparatus and method for automatically controlling the permeability of a traveling bridge filter system |
US5751424A (en) * | 1996-11-05 | 1998-05-12 | Kb Science | Scalable non-contact optical backscatter insertion probe |
US5980755A (en) * | 1997-11-07 | 1999-11-09 | Rg, Delaware, Inc. | Methods and apparatus for monitoring a filter bed by differential pressure |
-
1997
- 1997-11-07 US US08/967,355 patent/US5980755A/en not_active Expired - Lifetime
-
1998
- 1998-10-28 WO PCT/US1998/022751 patent/WO1999024140A1/en active IP Right Grant
- 1998-10-28 CA CA 2309275 patent/CA2309275C/en not_active Expired - Fee Related
- 1998-10-28 AT AT98955142T patent/ATE309852T1/de not_active IP Right Cessation
- 1998-10-28 EP EP19980955142 patent/EP1059978B1/de not_active Expired - Lifetime
- 1998-10-28 AU AU12020/99A patent/AU755950B2/en not_active Ceased
- 1998-10-28 DE DE1998632418 patent/DE69832418T2/de not_active Expired - Fee Related
-
1999
- 1999-10-22 US US09/422,659 patent/US6159384A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US6159384A (en) | 2000-12-12 |
AU755950B2 (en) | 2003-01-02 |
DE69832418D1 (de) | 2005-12-22 |
US5980755A (en) | 1999-11-09 |
EP1059978A1 (de) | 2000-12-20 |
DE69832418T2 (de) | 2006-08-03 |
EP1059978A4 (de) | 2001-08-22 |
AU1202099A (en) | 1999-05-31 |
EP1059978B1 (de) | 2005-11-16 |
WO1999024140A1 (en) | 1999-05-20 |
CA2309275A1 (en) | 1999-05-20 |
CA2309275C (en) | 2007-05-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |