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NO973771L - Apparatus for flotation with pressurized water - Google Patents

Apparatus for flotation with pressurized water

Info

Publication number
NO973771L
NO973771L NO973771A NO973771A NO973771L NO 973771 L NO973771 L NO 973771L NO 973771 A NO973771 A NO 973771A NO 973771 A NO973771 A NO 973771A NO 973771 L NO973771 L NO 973771L
Authority
NO
Norway
Prior art keywords
water
treated
inlet line
reaction chamber
flotation
Prior art date
Application number
NO973771A
Other languages
Norwegian (no)
Other versions
NO973771D0 (en
Inventor
Seppo Rissanen
Clas-Otto Wasenius
Original Assignee
Ahlstrom Aquaflow Oy
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 Ahlstrom Aquaflow Oy filed Critical Ahlstrom Aquaflow Oy
Publication of NO973771D0 publication Critical patent/NO973771D0/en
Publication of NO973771L publication Critical patent/NO973771L/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03DFLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00Flotation
    • B03D1/14Flotation machines
    • B03D1/1431Dissolved air flotation machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03DFLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00Flotation
    • B03D1/14Flotation machines
    • B03D1/1418Flotation machines using centrifugal forces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03DFLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00Flotation
    • B03D1/14Flotation machines
    • B03D1/1443Feed or discharge mechanisms for flotation tanks
    • B03D1/1456Feed mechanisms for the slurry
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03DFLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00Flotation
    • B03D1/14Flotation machines
    • B03D1/24Pneumatic
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/24Treatment of water, waste water, or sewage by flotation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION 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
    • B03DFLOTATION; DIFFERENTIAL SEDIMENTATION
    • B03D1/00Flotation
    • B03D1/14Flotation machines
    • B03D1/1412Flotation machines with baffles, e.g. at the wall for redirecting settling solids

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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

En innretning basert på flotasjonsmetoden (DAF) med trykkvann, hvor dispergeringsvannet og vannet som skal behandles, f.eks. flokkulert vann, tilføres et reaksjonsrom (1) hvor de møtes og reagerer med hverandre. Innlpsledningen (8) for vannet som skal behandles er konstruert i forbindelse med et reaksjonsrom (1), slik at avstanden mellom åpningen (11) i innløpsledningen (8) og bunnen (2) av reaksjonsrommet kan reguleres ved å flytte innløpsledningen. (8) i retningen b for reaksjonsrommets midtakse (13), hvorved møtested og måte (turbulent, jevn) for dispergeringsvannet og vannet som skal behandles, f.eks. flokkulert vann, inne i reaksjonsrommet, kan justeres alt etter de aktuelle prosessforhold.A device based on the flotation method (DAF) with pressurized water, where the dispersing water and the water to be treated, e.g. flocculated water, is fed to a reaction chamber (1) where they meet and react with each other. The inlet line (8) for the water to be treated is designed in connection with a reaction space (1), so that the distance between the opening (11) in the inlet line (8) and the bottom (2) of the reaction space can be regulated by moving the inlet line. (8) in the direction b of the central axis of the reaction chamber (13), whereby the meeting place and manner (turbulent, even) of the dispersion water and the water to be treated, e.g. flocculated water, inside the reaction chamber, can be adjusted according to the relevant process conditions.

NO973771A 1995-02-17 1997-08-15 Apparatus for flotation with pressurized water NO973771L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI950752A FI950752A0 (en) 1995-02-17 1995-02-17 Tryflattenflotationsfoerfarande oc--ordordar
PCT/FI1996/000097 WO1996025362A1 (en) 1995-02-17 1996-02-19 Pressurized water flotation apparatus

Publications (2)

Publication Number Publication Date
NO973771D0 NO973771D0 (en) 1997-08-15
NO973771L true NO973771L (en) 1997-10-17

Family

ID=8542891

Family Applications (1)

Application Number Title Priority Date Filing Date
NO973771A NO973771L (en) 1995-02-17 1997-08-15 Apparatus for flotation with pressurized water

Country Status (8)

Country Link
EP (1) EP0809606A1 (en)
AU (1) AU4720196A (en)
BR (1) BR9607390A (en)
CA (1) CA2212231A1 (en)
FI (1) FI950752A0 (en)
MX (1) MX9706225A (en)
NO (1) NO973771L (en)
WO (1) WO1996025362A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2930539A1 (en) * 2008-04-25 2009-10-30 Anjou Rech PROCESS FOR TREATING FLUID WITH HYDROCYLONE
KR101723161B1 (en) * 2017-01-17 2017-04-05 주식회사 이엠테크 Flotation apparatus having circulation structure for treated water

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE211366C1 (en) * 1963-06-04 1967-02-28
US3809240A (en) * 1971-12-06 1974-05-07 Degremont Method of injecting fluids into a flotation tank
US4626345A (en) * 1984-09-04 1986-12-02 Lenox Institute For Research, Inc. Apparatus for clarification of water
FI941674L (en) * 1994-04-12 1995-10-13 Ekokehitys Oy Method for forming gas bubbles in a liquid and apparatus for applying the method

Also Published As

Publication number Publication date
BR9607390A (en) 1997-11-25
EP0809606A1 (en) 1997-12-03
FI950752A0 (en) 1995-02-17
CA2212231A1 (en) 1996-08-22
WO1996025362A1 (en) 1996-08-22
AU4720196A (en) 1996-09-04
NO973771D0 (en) 1997-08-15
MX9706225A (en) 1997-12-31

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