HRP940173A2 - Compact clarifier system for municipal waste water treatment - Google Patents
Compact clarifier system for municipal waste water treatmentInfo
- Publication number
- HRP940173A2 HRP940173A2 HRP940173A HRP940173A2 HR P940173 A2 HRP940173 A2 HR P940173A2 HR P940173 A HRP940173 A HR P940173A HR P940173 A2 HRP940173 A2 HR P940173A2
- Authority
- HR
- Croatia
- Prior art keywords
- clarifier
- bioreactor
- cell
- water treatment
- strips
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1431—Dissolved air flotation machines
-
- 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
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0045—Plurality of essentially parallel plates
-
- 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
- B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
- B01D21/0051—Plurality of tube like channels
-
- 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
- B01D21/2427—The feed or discharge opening located at a distant position from the side walls
-
- 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
- B01D21/2433—Discharge mechanisms for floating particles
- B01D21/2438—Discharge mechanisms for floating particles provided with scrapers on the liquid surface for removing floating particles
-
- 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
- B01D21/245—Discharge mechanisms for the sediments
-
- 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
-
- 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
- B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
- B01D24/004—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection arranged concentrically or coaxially
-
- 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
- B01D24/002—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with multiple filtering elements in parallel connection
- B01D24/005—Filters being divided into a plurality of cells or compartments
-
- 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
- B01D24/10—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 held in a closed container
- B01D24/105—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 held in a closed container downward filtration without specifications about the filter material supporting means
-
- 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
- B01D24/10—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 held in a closed container
- B01D24/14—Downward filtration, the container having distribution or collection headers or pervious conduits
-
- 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
- B01D24/38—Feed or discharge devices
- B01D24/42—Feed or discharge devices for discharging filtrate
-
- 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
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
- B01D24/4636—Counter-current flushing, e.g. by air with backwash shoes; with nozzles
-
- 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
- B01D24/46—Regenerating the filtering material in the filter
- B01D24/4631—Counter-current flushing, e.g. by air
- B01D24/4642—Counter-current flushing, e.g. by air with valves, e.g. rotating valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/03—Processes of filtration using flocculating agents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
- B03B13/00—Control arrangements specially adapted for wet-separating apparatus or for dressing plant, using physical effects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/02—Froth-flotation processes
- B03D1/028—Control and monitoring of flotation processes; computer models therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1406—Flotation machines with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1412—Flotation machines with baffles, e.g. at the wall for redirecting settling solids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/1462—Discharge mechanisms for the froth
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1443—Feed or discharge mechanisms for flotation tanks
- B03D1/1475—Flotation tanks having means for discharging the pulp, e.g. as a bleed stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/1493—Flotation machines with means for establishing a specified flow pattern
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03D—FLOTATION; DIFFERENTIAL SEDIMENTATION
- B03D1/00—Flotation
- B03D1/14—Flotation machines
- B03D1/24—Pneumatic
-
- 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
- C02F1/006—Water distributors either inside a treatment tank or directing the water to several treatment tanks; Water treatment plants incorporating these distributors, with or without chemical or biological tanks
-
- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
-
- 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
- C02F3/101—Arranged-type packing, e.g. stacks, arrays
-
- 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
- C02F3/103—Textile-type packing
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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)
- Engineering & Computer Science (AREA)
- Biotechnology (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- General Engineering & Computer Science (AREA)
- Biological Treatment Of Waste Water (AREA)
- Physical Water Treatments (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/033,015 US5306422A (en) | 1988-09-07 | 1993-03-18 | Compact clarifier system for municipal waste water treatment |
Publications (1)
Publication Number | Publication Date |
---|---|
HRP940173A2 true HRP940173A2 (en) | 1996-10-31 |
Family
ID=21868101
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HRP940173 HRP940173A2 (en) | 1993-03-18 | 1994-03-17 | Compact clarifier system for municipal waste water treatment |
Country Status (10)
Country | Link |
---|---|
US (1) | US5306422A (ja) |
EP (1) | EP0689521A4 (ja) |
JP (1) | JPH08510952A (ja) |
AU (1) | AU6411594A (ja) |
CZ (1) | CZ286508B6 (ja) |
HR (1) | HRP940173A2 (ja) |
HU (1) | HU217372B (ja) |
PL (2) | PL174641B1 (ja) |
TW (1) | TW268929B (ja) |
WO (1) | WO1994021561A1 (ja) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5866019A (en) * | 1994-10-05 | 1999-02-02 | Wyness; David K. | Method for backwashing filters in a water treatment plant with clarifier and peripheral filter cells |
US6036434A (en) * | 1995-10-06 | 2000-03-14 | Roper Holdings, Inc. | Aeration system |
US5846413A (en) * | 1996-04-26 | 1998-12-08 | Lenox Institute Of Water Technology, Inc. | Three zone dissolved air flotation clarifier with improved efficiency |
US6174434B1 (en) | 1996-04-26 | 2001-01-16 | The Lenox Institute Of Water Technology, Inc. | Three zone dissolved air floatation clarifier with fixed lamellae and improved paddle-and-ramp sludge removal system |
US5693222A (en) * | 1996-05-03 | 1997-12-02 | Baker Hughes Incorporated | Apparatus and method for improved high-efficiency dissolved air flotation fluid processing |
NL1004455C2 (nl) * | 1996-11-06 | 1998-05-08 | Pacques Bv | Inrichting voor de biologische zuivering van afvalwater. |
US6261460B1 (en) | 1999-03-23 | 2001-07-17 | James A. Benn | Method for removing contaminants from water with the addition of oil droplets |
FR2796306B1 (fr) * | 1999-07-13 | 2002-07-26 | Roumen Kaltchev | Clarificateur a air dissous avec filtre incorpore |
US6383370B1 (en) | 2000-09-14 | 2002-05-07 | Infilco Degremont Inc. | Apparatus for treating wastewater |
US20030150817A1 (en) * | 2002-02-11 | 2003-08-14 | Keever Christopher S. | Method and apparatus for treating wastewater |
ITMI20050734A1 (it) * | 2005-04-22 | 2006-10-23 | Austep Austeam Environmetal | Sistema per la chiarificazione in continuo di liquidi con sostanze solide in sospensione mediante flottazione a gas disciolto |
US20070235447A1 (en) * | 2006-04-03 | 2007-10-11 | King Yan Kwok | Apparatus and process for extraction of constituents from alternative medicinal material |
US7637379B2 (en) * | 2006-12-07 | 2009-12-29 | Council Of Scientific & Industrial Research | Circular secondary clarifier for wastewater treatment and an improved solids-liquid separation process thereof |
US20100224506A1 (en) * | 2007-10-10 | 2010-09-09 | David Livshits | Process and apparatus for complex treatment of liquids |
MX2012001813A (es) * | 2009-08-11 | 2012-10-05 | Kinder Morgan Operating L P C | Sistemas, aparatos y metodos para tratar aguas residuales. |
US9359236B2 (en) * | 2010-08-18 | 2016-06-07 | Evoqua Water Technologies Llc | Enhanced biosorption of wastewater organics using dissolved air flotation with solids recycle |
ITBO20130476A1 (it) * | 2013-09-06 | 2015-03-07 | Airone Ambiente S R L | Impianto per la depurazione di acque reflue e simili |
US9505642B2 (en) * | 2013-11-22 | 2016-11-29 | Acqualogic | Water treatment devices |
CN105689157B (zh) * | 2016-04-11 | 2017-11-07 | 安徽理工大学 | 一种具有自调浆功能的摇摆搅拌式浮选设备 |
CN106554132B (zh) * | 2016-10-12 | 2017-12-22 | 南京大学 | 一种高纳污能力低能耗的污水深度脱氮装置及其运行方法 |
CN106554077B (zh) * | 2016-10-12 | 2017-11-07 | 南京大学 | 一种缓解反硝化深床滤池表层堵塞的装置及其运行方法 |
WO2019014628A1 (en) * | 2017-07-14 | 2019-01-17 | Water Environmental Technology | SYSTEM FOR RECOVERING BODY, OIL AND GREASE CONTAINED IN WASTEWATER |
US11214504B2 (en) * | 2017-08-31 | 2022-01-04 | Besser Tech Holdings Llc | Bio-DAF system for domestic and industrial wastewater treatment |
WO2019053569A1 (en) * | 2017-09-15 | 2019-03-21 | Filippo Bussinelli | APPARATUS FOR FILTERING LIQUIDS |
IT201700103653A1 (it) * | 2017-09-15 | 2019-03-15 | Filippo Bussinelli | Apparecchiatura di filtraggio per la filtrazione di liquidi |
CN109574222A (zh) * | 2017-09-29 | 2019-04-05 | 湖南易净环保科技有限公司 | 一体化污水处理装置 |
CN108862993B (zh) * | 2018-07-09 | 2020-12-04 | 温州海德能环保设备科技有限公司 | 一种污水净化用的过滤浓缩设备 |
CN111039525B (zh) * | 2020-03-17 | 2020-06-23 | 潍坊盛世伟业建材科技有限公司 | 一种污水处理的除臭方法及其处理装置 |
CN112279418B (zh) * | 2020-12-29 | 2021-04-13 | 烟台胜凯门业制造有限公司 | 一种金属门加工厂污水处理设备 |
WO2022159859A1 (en) * | 2021-01-25 | 2022-07-28 | Evoqua Water Technologies Llc | Bearing wear monitoring device for circular clarifier drive |
CN114100247B (zh) * | 2021-11-22 | 2022-11-25 | 佛山市富龙环保科技有限公司 | 一种废乳化液处理装置 |
CN114534929B (zh) * | 2022-04-28 | 2022-07-22 | 徐州华鹏机械科技有限公司 | 一种有色金属矿山浮选设备 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2553228A (en) * | 1943-12-21 | 1951-05-15 | Yonner Andre | Sewage disposal plant |
US3617541A (en) * | 1969-07-29 | 1971-11-02 | Fairbanks Morse Inc | Biogrid unit and method |
US4022696A (en) * | 1976-03-24 | 1977-05-10 | Milos Krofta | Apparatus for clarification of waste water operating on dissolved air flotation process |
US4184967A (en) * | 1978-06-22 | 1980-01-22 | Lenox Institute For Research, Inc. | Apparatus for clarifying waste water |
JPS5515279A (en) * | 1978-07-20 | 1980-02-02 | Hitachi Maxell Ltd | Processing method for magnetic powder |
JPS5931352Y2 (ja) * | 1981-02-19 | 1984-09-05 | 日本産業機械株式会社 | 汚水の処理装置 |
US4452699A (en) * | 1981-05-07 | 1984-06-05 | Shinryo Air Conditioning Co., Ltd. | Method of improving the SVI of mixed liquor in aeration tank |
US4377485A (en) * | 1981-09-15 | 1983-03-22 | Lenox Institute For Research, Inc. | Apparatus and method for clarification of water using combined flotation and filtration processes |
US4399028A (en) * | 1982-06-14 | 1983-08-16 | The Black Clawson Company | Froth flotation apparatus and method |
US4626345A (en) * | 1984-09-04 | 1986-12-02 | Lenox Institute For Research, Inc. | Apparatus for clarification of water |
US4618430A (en) * | 1984-11-06 | 1986-10-21 | Engineering Specialties, Inc. | Process and apparatus for removing scum from a liquid surface |
FR2587912B1 (fr) * | 1985-10-01 | 1988-01-08 | Milcap France Sa | Garnissage textile formant support pour bio-transformation et separation de phase |
US4880533A (en) * | 1988-06-09 | 1989-11-14 | John Hondulas | Apparatus and system for treating waste water and sludge |
US5145582A (en) * | 1989-03-08 | 1992-09-08 | Lenox Institute For Research, Inc. | Method for stabilizing sludge |
US5013429A (en) * | 1989-03-08 | 1991-05-07 | Lenox Institute For Research, Inc. | Apparatus for stabilizing sludge |
US5064531A (en) * | 1990-07-26 | 1991-11-12 | Int'l Environmental Systems, Inc. | Water filtration apparatus |
TW201295B (ja) * | 1991-06-14 | 1993-03-01 | Sonnenrein Uwe | |
GB9305022D0 (en) * | 1993-03-11 | 1993-04-28 | Biwater Europ Limited | Bifilm process and plant |
-
1993
- 1993-03-18 US US08/033,015 patent/US5306422A/en not_active Expired - Fee Related
-
1994
- 1994-03-17 HR HRP940173 patent/HRP940173A2/xx not_active Application Discontinuation
- 1994-03-18 PL PL94310678A patent/PL174641B1/pl unknown
- 1994-03-18 EP EP94911642A patent/EP0689521A4/en not_active Ceased
- 1994-03-18 JP JP52125494A patent/JPH08510952A/ja active Pending
- 1994-03-18 PL PL94323230A patent/PL174626B1/pl unknown
- 1994-03-18 CZ CZ19952407A patent/CZ286508B6/cs not_active IP Right Cessation
- 1994-03-18 HU HU9502698A patent/HU217372B/hu not_active IP Right Cessation
- 1994-03-18 AU AU64115/94A patent/AU6411594A/en not_active Abandoned
- 1994-03-18 WO PCT/US1994/002936 patent/WO1994021561A1/en not_active Application Discontinuation
- 1994-04-20 TW TW83103496A patent/TW268929B/zh active
Also Published As
Publication number | Publication date |
---|---|
WO1994021561A1 (en) | 1994-09-29 |
CZ286508B6 (en) | 2000-04-12 |
CZ240795A3 (en) | 1996-02-14 |
PL174641B1 (pl) | 1998-08-31 |
HU217372B (hu) | 2000-01-28 |
HU9502698D0 (en) | 1995-11-28 |
US5306422A (en) | 1994-04-26 |
EP0689521A1 (en) | 1996-01-03 |
AU6411594A (en) | 1994-10-11 |
TW268929B (ja) | 1996-01-21 |
HUT73513A (en) | 1996-08-28 |
EP0689521A4 (en) | 1997-11-19 |
PL174626B1 (pl) | 1998-08-31 |
JPH08510952A (ja) | 1996-11-19 |
PL310678A1 (en) | 1995-12-27 |
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