DE69021086D1 - Verbesserte wasserreinigungsvorrichtung. - Google Patents

Verbesserte wasserreinigungsvorrichtung.

Info

Publication number
DE69021086D1
DE69021086D1 DE69021086T DE69021086T DE69021086D1 DE 69021086 D1 DE69021086 D1 DE 69021086D1 DE 69021086 T DE69021086 T DE 69021086T DE 69021086 T DE69021086 T DE 69021086T DE 69021086 D1 DE69021086 D1 DE 69021086D1
Authority
DE
Germany
Prior art keywords
water
tube
water purification
purification device
improved water
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
Application number
DE69021086T
Other languages
English (en)
Other versions
DE69021086T2 (de
Inventor
Milos Krofta
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LENOX INSTITUTE OF WATER TECHNOLOGY LEONOX MASS US
Lenox Institute of Water Technology Inc
Original Assignee
LENOX INSTITUTE OF WATER TECHNOLOGY LEONOX MASS US
Lenox Institute of Water Technology Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LENOX INSTITUTE OF WATER TECHNOLOGY LEONOX MASS US, Lenox Institute of Water Technology Inc filed Critical LENOX INSTITUTE OF WATER TECHNOLOGY LEONOX MASS US
Application granted granted Critical
Publication of DE69021086D1 publication Critical patent/DE69021086D1/de
Publication of DE69021086T2 publication Critical patent/DE69021086T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • B01D21/0003—Making of sedimentation devices, structural details thereof, e.g. prefabricated parts
    • 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
    • B01D21/02—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
    • B01D21/2433—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
    • B01D21/30—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
    • B01D24/14—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
    • 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
    • B03D1/1443—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
    • B03D1/1481—Flotation machines with a plurality of parallel plates
    • 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
    • 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
    • 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
    • B03D1/1487—Means for cleaning or maintenance
    • 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
DE69021086T 1988-09-07 1990-06-04 Verbesserte wasserreinigungsvorrichtung. Expired - Fee Related DE69021086T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/241,384 US4931175A (en) 1988-09-07 1988-09-07 Water clarifying apparatus
PCT/US1990/003140 WO1991018836A1 (en) 1988-09-07 1990-06-04 Improved water clarifying apparatus

Publications (2)

Publication Number Publication Date
DE69021086D1 true DE69021086D1 (de) 1995-08-24
DE69021086T2 DE69021086T2 (de) 1996-04-04

Family

ID=22910499

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69021086T Expired - Fee Related DE69021086T2 (de) 1988-09-07 1990-06-04 Verbesserte wasserreinigungsvorrichtung.

Country Status (11)

Country Link
US (3) US4931175A (de)
EP (1) EP0532494B1 (de)
JP (1) JPH06503029A (de)
KR (1) KR0140192B1 (de)
AT (1) ATE125238T1 (de)
AU (1) AU654110B2 (de)
BR (1) BR9008027A (de)
DE (1) DE69021086T2 (de)
ES (1) ES2075210T3 (de)
FI (1) FI925358A (de)
WO (1) WO1991018836A1 (de)

Families Citing this family (74)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5296149A (en) * 1988-09-07 1994-03-22 Milos Krofta Lamellar apparatus and method for clarifying water
US5320750A (en) * 1988-09-07 1994-06-14 Milos Krofta Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation
US5188729A (en) * 1988-09-07 1993-02-23 Lenox Institute For Research, Inc. Sludge collection apparatus for a water clarifier
US4931175A (en) * 1988-09-07 1990-06-05 Lenox Institute For Research, Inc. Water clarifying apparatus
DE69102785T2 (de) * 1990-02-09 1994-11-10 Masakatsu Ozawa Vorrichtung für Trennung durch Druckbeaufschlagung und Flotation.
IT1239047B (it) * 1990-02-16 1993-09-20 Fabio Perletti Impianto per la chiarificazione in continuo di liquidi con sostanze solide in sospensione,mediante il processo di flottazione a gas disciolto
US5032294A (en) * 1990-03-13 1991-07-16 Schulz Christopher R Multi-cell gravity filter with central control chamber
US5151177A (en) * 1990-05-10 1992-09-29 Darling-Delaware Company, Inc. Method and apparatus for dissolved air flotation with aeration
US5069783A (en) * 1990-05-16 1991-12-03 Int'l Environmental Systems, Inc. Liquid treatment apparatus
US5049320A (en) * 1990-07-03 1991-09-17 International Environmental Systems, Inc. Gas dissolving system and method
US5240600A (en) * 1990-07-03 1993-08-31 International Environmental Systems, Inc., Usa Water and wastewater treatment system
US5068031A (en) * 1990-07-06 1991-11-26 Int'l Environmental Systems, Inc. Sludge treatment apparatus
US5084165A (en) * 1990-07-06 1992-01-28 Int'l Environmental Systems, Inc. Water treatment apparatus
US5354458A (en) * 1990-07-11 1994-10-11 International Environmental Systems, Inc., Usa Sequencing batch liquid treatment
US5064531A (en) * 1990-07-26 1991-11-12 Int'l Environmental Systems, Inc. Water filtration apparatus
US5282538A (en) * 1990-10-31 1994-02-01 Multotec Cyclones (Proprietary) Limited Flotation column
US5061378A (en) * 1990-11-29 1991-10-29 Infilco Degremont Inc. Sludge transfer systems and methods
TW201295B (de) * 1991-06-14 1993-03-01 Sonnenrein Uwe
US5308504A (en) * 1993-01-26 1994-05-03 Keyes Wilford W Viscosity based tank level and flow control systems
SE501238C2 (sv) * 1993-05-10 1994-12-12 Spirac Engineering Ab Förflyttningsanordning för sediment i behållare
RU2046759C1 (ru) * 1993-05-25 1995-10-27 Акционерное общество Научно-производственная фирма "Бифар" Способ насыщения жидкости газом под давлением
US5415771A (en) * 1993-06-29 1995-05-16 The Lenox Institute Of Water Technology, Inc. High capacity single tank water clarification system
US5421995A (en) * 1993-07-01 1995-06-06 Jmo Holding, Inc. Sludge blanket level detector suspended from floating decanter
US5601704A (en) * 1994-04-11 1997-02-11 The Graver Company Automatic feedback control system for a water treatment apparatus
FR2725143B1 (fr) * 1994-10-04 1999-08-06 Degremont Decanteur longitudinal a separation de flux
US6036434A (en) * 1995-10-06 2000-03-14 Roper Holdings, Inc. Aeration system
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
US5846413A (en) * 1996-04-26 1998-12-08 Lenox Institute Of Water Technology, Inc. Three zone dissolved air flotation clarifier with improved efficiency
US5693222A (en) * 1996-05-03 1997-12-02 Baker Hughes Incorporated Apparatus and method for improved high-efficiency dissolved air flotation fluid processing
SI9600144B (sl) * 1996-05-06 1999-12-31 Janez Su�a Flotacijska naprava
US5735600A (en) * 1996-06-04 1998-04-07 Chicago Bridge & Iron Technical Services Company Method and apparatus for automatically mixing drinking water in a reservoir
US6062070A (en) * 1996-10-29 2000-05-16 Drexelbrook Controls, Inc. Method and apparatus for the sonic measurement of sludge and clarity conditions during the treatment of waste water
AT404931B (de) * 1997-01-23 1999-03-25 Tschuda Gmbh & Co Kg Einrichtung zur trennung von schwimmschichtmasse von einer flüssigkeit
US6171488B1 (en) * 1997-07-15 2001-01-09 Zpm, Inc. Fluid conditioning system
AUPO887597A0 (en) * 1997-08-29 1997-09-25 Separation Technologies Group Pty Ltd Mixing apparatus
FR2775968B1 (fr) * 1998-03-16 2000-07-13 Degremont Dispositif assurant la recuperation des flottants dans des bassins de decantation
DE19928600C1 (de) * 1999-06-22 2001-05-03 Thermoselect Ag Vaduz Abscheidevorrichtung und ihre Verwendung
FR2796306B1 (fr) * 1999-07-13 2002-07-26 Roumen Kaltchev Clarificateur a air dissous avec filtre incorpore
US6126815A (en) * 1999-07-19 2000-10-03 Kelada; Maher I. Sequential air dissolved floatation apparatus and methods
US6893572B2 (en) * 2001-07-12 2005-05-17 Western Environmental Engineering Company Solids accumulating flotation separator
US6964740B2 (en) * 2002-06-25 2005-11-15 Dwain E. Morse System and method of gas energy management for particle flotation and separation
US7347939B2 (en) * 2002-10-14 2008-03-25 Clean Water Technology, Inc. Adjustable contaminated liquid mixing apparatus
US7258788B2 (en) * 2004-03-12 2007-08-21 Noram Engineering And Constructors Ltd. Circular clarifier apparatus and method
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
US20090184038A1 (en) * 2008-01-16 2009-07-23 Michael Graham System and method for removing particles from a treatment basin
CH703440B1 (it) * 2010-07-12 2014-06-30 Supsi Scuola Universitaria Professionale Della Svizzera Italiana Icimsi Sistema per il trattamento delle acque reflue.
BR112015028972A2 (pt) * 2013-05-23 2017-07-25 Dpsms Tecnologia E Inovacao Em Mineracao Ltda sistema automatizado de flotação de colunas com bicos injetores aeradores e processo
CN103265153B (zh) * 2013-05-27 2014-07-09 亚太森博（山东）浆纸有限公司 一种浆纸污泥的分支处理方法及其各分支处理产物的应用
CN103464271B (zh) * 2013-09-25 2015-04-01 云南大红山管道有限公司 一种具有稳定排料单元的磁场筛选机
JP6213201B2 (ja) * 2013-12-09 2017-10-18 日本ゼオン株式会社 界面制御方法
CN103964530A (zh) * 2014-05-04 2014-08-06 刘旭玲 一种涡凹气浮机的叶轮隔离护罩
US10596492B2 (en) * 2014-07-09 2020-03-24 Sudhin Biopharma Particle settling devices
CA2946027C (en) 2016-10-19 2022-09-20 Xiaoli Yang Near infrared (nir) monitoring in paraffinic froth treatment (pft) operations
CN106915842A (zh) * 2017-03-23 2017-07-04 浙江晶鑫特种纸业有限公司 一种废胶处理设备及工艺
GB2565859B (en) * 2017-08-22 2022-05-18 Hydro Int Ltd A tray unit for a wastewater treatment device and a method of assembling a tray assembly for a wastewater treatment device
MX2017014986A (es) * 2017-11-22 2019-05-23 Francisco Xavier Valdes Simancas Clarificador estático de cama profunda, atomático, tipo pistón.
US11065566B2 (en) 2018-03-23 2021-07-20 Blue Skies Global LLC Regenerative media filtration
US11167226B2 (en) 2018-03-23 2021-11-09 Blue Skies Global LLC Regenerative media filtration
US10406458B1 (en) 2018-03-23 2019-09-10 Blue Skies Global LLC Regenerative media filtration
BR112020021267A2 (pt) 2018-04-18 2021-01-26 Sudhin Biopharma dispositivos de sedimentação de partículas
CN108946989B (zh) * 2018-07-23 2021-04-16 萍乡市华星环保工程技术有限公司 一种有利于焦化废水处理的预处理装置
CN108706601B (zh) * 2018-08-31 2019-12-13 贺州市骏鑫矿产品有限责任公司 一种钾长石粉的制备方法
GB2578469B (en) * 2018-10-29 2022-03-16 Cde Global Ltd Method and apparatus for reducing the water content of waste water sludge
CN109553216B (zh) * 2018-11-21 2021-12-14 刘兴海 去除水中污染物的装置
US11008227B2 (en) 2019-07-29 2021-05-18 Eco Water Technologies Corp Wastewater purification system
ES2760149A1 (es) * 2019-08-06 2020-05-13 Acuinge Gestion S L Decantador para procesos de depuracion y tratamiento de aguas
CA3172276A1 (en) 2020-03-19 2021-09-23 Dhinakar S. Kompala Particle settling devices
CN111484094A (zh) * 2020-05-01 2020-08-04 杨智勇 一种气浮装置
US20220017298A1 (en) * 2020-07-15 2022-01-20 Production Waste Solutions Systems and methods for removing sediment from storage tanks without tank entry
US11883764B2 (en) * 2020-09-14 2024-01-30 Evoqua Water Technologies Llc Sludge withdrawal mechanism for wasting and returning settled sludge from secondary clarifier with granular sludge
CN113247999B (zh) * 2021-06-03 2021-09-24 中农恒基现代农业产业研究院(诸城)有限公司 一种连续分离排杂式污水处理设备
JP2023171169A (ja) * 2022-05-20 2023-12-01 日本アルシー株式会社 浮上分離装置
CN114772838B (zh) * 2022-05-20 2023-12-08 东莞东元环境科技股份有限公司 循环澄清装置

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US855243A (en) * 1902-07-05 1907-05-28 Frank D Green Apparatus for charging liquids with carbonic-acid gas.
US1020013A (en) * 1909-11-13 1912-03-12 Alexander John Arbuckle Settling-tank.
US2431936A (en) * 1945-02-26 1947-12-02 James L Hudson Liquid carbonator
US2874842A (en) * 1955-04-05 1959-02-24 Krofta Milos Process and apparatus for waste liquid purification
US3067878A (en) * 1959-07-07 1962-12-11 Albert L Genter Method and apparatus for settling solids from liquids
DE1213223C2 (de) * 1960-02-15 1973-02-01 Milos Krofta Dr Ing Vorrichtung zum Reinigen der ungeklaerten Abwaesser in den Papier-, Zellstoff- und aehnlichen Industrien
FR1483849A (fr) * 1966-04-08 1967-06-09 Siderurgie Fse Inst Rech Nouveau dispositif pour la coulée continue d'un métal
US3452869A (en) * 1967-01-18 1969-07-01 Laval Inc De Settling tank and method of operation thereof
US3626345A (en) * 1969-10-13 1971-12-07 Toko Inc Radiofrequency transformer
US3754656A (en) * 1970-09-28 1973-08-28 Kurita Water Ind Ltd Floatation separators
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
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
US4500793A (en) * 1982-02-11 1985-02-19 Ebara Corporation Apparatus for monitoring inside of treating column
US4626345A (en) * 1984-09-04 1986-12-02 Lenox Institute For Research, Inc. Apparatus for clarification of water
GB8607854D0 (en) * 1986-03-27 1986-04-30 Cjb Developments Ltd Gas flotation system
WO1988003433A1 (en) * 1986-11-03 1988-05-19 Roto-Sieve Ab Arrangement for an inlet and outlet in a rotating drum sieve
NL8603216A (nl) * 1986-12-17 1988-07-18 Kurz Karl Heinz Inrichting om in de uterus te plaatsen.
US4931175A (en) * 1988-09-07 1990-06-05 Lenox Institute For Research, Inc. Water clarifying apparatus
JP2668438B2 (ja) * 1989-04-21 1997-10-27 三菱電機株式会社 データ検索装置

Also Published As

Publication number Publication date
FI925358A0 (fi) 1992-11-25
WO1991018836A1 (en) 1991-12-12
EP0532494B1 (de) 1995-07-19
US5078861A (en) 1992-01-07
DE69021086T2 (de) 1996-04-04
FI925358A (fi) 1992-11-25
KR930700365A (ko) 1993-03-13
ATE125238T1 (de) 1995-08-15
US4931175A (en) 1990-06-05
AU6038890A (en) 1991-12-31
BR9008027A (pt) 1993-03-16
AU654110B2 (en) 1994-10-27
KR0140192B1 (en) 1998-07-01
EP0532494A1 (de) 1993-03-24
ES2075210T3 (es) 1995-10-01
US5160611A (en) 1992-11-03
EP0532494A4 (en) 1993-05-05
JPH06503029A (ja) 1994-04-07

Similar Documents

Publication Publication Date Title
DE69021086T2 (de) Verbesserte wasserreinigungsvorrichtung.
SE8100124L (sv) Transportarrangemang for fasta kroppar
ES2050379T3 (es) Metodo y sistema para controlar la eficacia de la obturacion del reflujo y el regimen de reciclaje en los reactores de lecho en suspension.
FR2138997A1 (de)
KR830006118A (ko) 물의 연화(軟化) 및 정화를 위한 장치
GB1328812A (en) Method and apparatus for treating effluent
SE8602501D0 (sv) Downflow type biological membrane purifier
DE3160712D1 (en) Process and apparatus for the biological purification of waste water
JPS5518227A (en) Waste water treating apparatus
ATE15880T1 (de) Vorrichtung zur biologischen reinigung organischer abwaesser.
CN208933153U (zh) 高浓度有机废水光催化处理器
FR2132497B1 (de)
NL7802496A (nl) Werkwijze voor het afscheiden van stoffen in suspensie in een vloeistof, alsmede inrichting voor toepassing van de werkwijze.
JPS57130584A (en) Ultraviolet ray water sterilizing apparatus
GB941857A (en) Apparatus for the purification of waste water
ES2072041T3 (es) Dispositivo para la separacion por adsorcion de por lo menos dos sustancias biologicas en solucion.
JPS644223A (en) Equipment for dissolving carbon dioxide
JPS5466552A (en) Water cleaning device
JPS5775194A (en) Treatment of organic waste
ES481804A1 (es) Un aparato para la purificacion biologica de aguas residua- les.
ES2065180T3 (es) Equipo para la separacion de lodo activado en instalaciones depuradoras de aguas residuales.
JPS5419241A (en) Combustion-in-liquid device with liquid surface fluctuation control device
FR2038823A5 (en) Water treatment using activated mud
GB1498982A (en) Waste water treatment plants
FR2619100B1 (fr) Appareil pour le traitement anaerobie d'eaux usees

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee