DE69102785D1 - Vorrichtung für Trennung durch Druckbeaufschlagung und Flotation. - Google Patents

Vorrichtung für Trennung durch Druckbeaufschlagung und Flotation.

Info

Publication number
DE69102785D1
DE69102785D1 DE69102785T DE69102785T DE69102785D1 DE 69102785 D1 DE69102785 D1 DE 69102785D1 DE 69102785 T DE69102785 T DE 69102785T DE 69102785 T DE69102785 T DE 69102785T DE 69102785 D1 DE69102785 D1 DE 69102785D1
Authority
DE
Germany
Prior art keywords
flotation
pressurization
separation
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
DE69102785T
Other languages
English (en)
Other versions
DE69102785T2 (de
Inventor
Masakatsu Ozawa
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.)
Individual
Original Assignee
Individual
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
Priority claimed from JP2031188A external-priority patent/JPH0688019B2/ja
Priority claimed from JP2065219A external-priority patent/JPH0688020B2/ja
Application filed by Individual filed Critical Individual
Publication of DE69102785D1 publication Critical patent/DE69102785D1/de
Application granted granted Critical
Publication of DE69102785T2 publication Critical patent/DE69102785T2/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
    • B03D1/02—Froth-flotation processes
    • B03D1/04—Froth-flotation processes by varying ambient atmospheric pressure
    • 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
    • B03D1/1418—Flotation machines using centrifugal forces
    • 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
    • B03D1/1431—Dissolved air flotation machines
    • 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
    • B03D1/24—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
    • C02F1/24—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
    • B03D1/02—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
    • B03D1/1468—Discharge mechanisms for the sediments

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biotechnology (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Physical Water Treatments (AREA)
DE69102785T 1990-02-09 1991-01-29 Vorrichtung für Trennung durch Druckbeaufschlagung und Flotation. Expired - Fee Related DE69102785T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2031188A JPH0688019B2 (ja) 1990-02-09 1990-02-09 加圧浮上分離装置
JP2065219A JPH0688020B2 (ja) 1990-03-15 1990-03-15 加圧浮上分離装置

Publications (2)

Publication Number Publication Date
DE69102785D1 true DE69102785D1 (de) 1994-08-18
DE69102785T2 DE69102785T2 (de) 1994-11-10

Family

ID=26369635

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69102785T Expired - Fee Related DE69102785T2 (de) 1990-02-09 1991-01-29 Vorrichtung für Trennung durch Druckbeaufschlagung und Flotation.

Country Status (4)

Country Link
US (1) US5139662A (de)
EP (1) EP0441230B1 (de)
KR (1) KR910021262A (de)
DE (1) DE69102785T2 (de)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4224047C2 (de) * 1992-07-21 1998-03-26 Anton Felder Vorrichtung und Verfahren zur zentrischen Beschickung von Rundsandfängen und Sandklassierern in Rundbauweise
IT231090Y1 (it) * 1993-02-25 1999-07-12 Velo Spa Flottatore, munito di aspiratore, per separare in continuazione particelle solide da liquidi alimentari
US5453179A (en) * 1993-04-29 1995-09-26 The Dow Chemical Company Sludge clarifier roof with central column support
US5415771A (en) * 1993-06-29 1995-05-16 The Lenox Institute Of Water Technology, Inc. High capacity single tank water clarification system
NO180744C (no) * 1994-02-07 1997-06-11 Puraq As Fremgangsmåte og anordning for rensing av vann
IT1267226B1 (it) * 1994-05-04 1997-01-28 Eidon Ricerca Sviluppo Documen Dispositivo di chiarificazione per flottazione
AT401734B (de) * 1995-04-27 1996-11-25 Trimmel Engelbert Dipl Ing Dr Verfahren und vorrichtung zum inkontaktbringen einer flüssigkeit mit einem gas, insbesondere zur reinigung
US6036434A (en) * 1995-10-06 2000-03-14 Roper Holdings, Inc. Aeration system
US5693222A (en) * 1996-05-03 1997-12-02 Baker Hughes Incorporated Apparatus and method for improved high-efficiency dissolved air flotation fluid processing
KR100323852B1 (ko) * 1999-06-28 2002-02-07 홍유표 현탁물질제거 및 난분해성 물질제거장치
KR100301521B1 (ko) * 1999-07-13 2001-09-22 송민경 거품 부상식 슬러지 제거장치
US6875351B2 (en) * 2001-06-12 2005-04-05 Hydrotreat, Inc. Methods and apparatus for oil demulsification and separation of oil and suspended solids from produced water
US6984325B1 (en) * 2002-04-09 2006-01-10 Venable Robert T Water and aqueous mix treatment using venturi discharge oxygen
FR2847829B1 (fr) * 2002-12-02 2005-10-14 Sarl Naves Freres Dispositif d'epandage a conduits longitudinalement fendus pour station d'epuration, et station equipee d'un tel dispositif
US20060196835A1 (en) * 2003-01-31 2006-09-07 Ebara Corporation Method and apparatus for removing ions in liquid through crystallization method
KR100882200B1 (ko) * 2008-06-03 2009-02-06 주식회사 한국아쿠오시스 하이드로사이클론 및 이것을 포함하는 수질오염 방지장치
US8303812B2 (en) 2009-04-23 2012-11-06 Fang Chao Method and apparatus for skimming floated sludge
US8114296B2 (en) * 2009-04-23 2012-02-14 Fang Chao Method and apparatus for skimming floated sludge
KR101101462B1 (ko) * 2010-07-16 2012-01-03 엘에스산전 주식회사 Ｐｉ 제어기의 이득 값 설정방법 및 장치
KR101139644B1 (ko) * 2011-10-21 2012-05-14 주식회사 아진피앤피 폐지를 이용한 펄프제조장비 중 용해공정단계의 이물질 제거장치
FR2992568B1 (fr) * 2012-07-02 2014-07-18 Philippe Tarting Appareil pour le traitement d'un liquide a epurer.
AU2014280927B2 (en) 2014-01-09 2016-01-28 Aerofloat (Holdings) Pty Ltd System and method for treating water or wastewater
US10858274B2 (en) * 2017-03-22 2020-12-08 John H. Reid Wastewater detoxification method and system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE410201A (de) * 1935-01-03
GB1134763A (en) * 1965-10-28 1968-11-27 Purac Ab Improvements in and relating to flotation tanks
US3642617A (en) * 1970-01-29 1972-02-15 Fmc Corp Foam flotation concentrator
FR2132497B1 (de) * 1971-04-05 1974-04-05 Degremont
US3769207A (en) * 1971-06-14 1973-10-30 E Baer Process of separation of emulsified or dispersed matter from water
US4022696A (en) * 1976-03-24 1977-05-10 Milos Krofta Apparatus for clarification of waste water operating on dissolved air flotation process
US4157952A (en) * 1978-03-24 1979-06-12 Lenox Institute For Research Apparatus for deinking waste paper pulp
US4184967A (en) * 1978-06-22 1980-01-22 Lenox Institute For Research, Inc. Apparatus for clarifying waste water
DE3525788A1 (de) * 1985-06-24 1987-01-02 Escher Wyss Gmbh Verfahren und anordnung zur steuerung der chemikalien-zugabe zum ausflocken von flockierbaren substanzen in suspensionen, insbesondere zur reinigung des rueckwassers von deinking-anlagen
US4659458A (en) * 1985-12-19 1987-04-21 The Standard Oil Company Apparatus and method for froth flotation employing rotatably mounted spraying and skimming means
USH458H (en) * 1986-09-29 1988-04-05 The Standard Oil Company Pressure-reducing spray nozzle and use thereof in a froth flotation method
US4931175A (en) * 1988-09-07 1990-06-05 Lenox Institute For Research, Inc. Water clarifying apparatus

Also Published As

Publication number Publication date
KR910021262A (ko) 1991-12-20
EP0441230B1 (de) 1994-07-13
EP0441230A1 (de) 1991-08-14
US5139662A (en) 1992-08-18
DE69102785T2 (de) 1994-11-10

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Legal Events

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