CA1096515A - Process and installation for eliminating by flotation impurities in the form of solid particles contained in a liquid - Google Patents

Process and installation for eliminating by flotation impurities in the form of solid particles contained in a liquid

Info

Publication number
CA1096515A
CA1096515A CA275,438A CA275438A CA1096515A CA 1096515 A CA1096515 A CA 1096515A CA 275438 A CA275438 A CA 275438A CA 1096515 A CA1096515 A CA 1096515A
Authority
CA
Canada
Prior art keywords
liquid
cell
air
foam
flotation
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
Application number
CA275,438A
Other languages
English (en)
French (fr)
Inventor
Enar V. Hellberg
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.)
Swemac SA
Original Assignee
Swemac SA
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 BE166085A external-priority patent/BE840662A/fr
Application filed by Swemac SA filed Critical Swemac SA
Application granted granted Critical
Publication of CA1096515A publication Critical patent/CA1096515A/en
Expired legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21BFIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00Fibrous raw materials or their mechanical treatment
    • D21B1/04Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30Defibrating by other means
    • D21B1/32Defibrating by other means of waste paper
    • D21B1/325Defibrating by other means of waste paper de-inking devices
    • D21B1/327Defibrating by other means of waste paper de-inking devices using flotation devices
    • 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
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D19/00Degasification of liquids
    • B01D19/02Foam dispersion or prevention
    • 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
    • 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
    • B03D1/02Froth-flotation processes
    • 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
    • B03D1/02Froth-flotation processes
    • B03D1/028Control and monitoring of flotation processes; computer models therefor
    • 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
    • B03D1/1406Flotation machines with special arrangement of a plurality of flotation cells, e.g. positioning a flotation cell inside another
    • 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
    • B03D1/1443Feed or discharge mechanisms for flotation tanks
    • B03D1/1462Discharge mechanisms for the froth
    • 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
    • B03D1/1475Flotation tanks having means for discharging the pulp, e.g. as a bleed stream
    • 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
    • B03D1/1487Means for cleaning or maintenance
    • 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
    • B03D1/247Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00Wet end of machines for making continuous webs of paper
    • D21F1/66Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • D21F1/70Pulp catching, de-watering, or recovering; Re-use of pulp-water by flotation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/26Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
    • C02F2103/28Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/64Paper recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biotechnology (AREA)
  • Chemical & Material Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Physical Water Treatments (AREA)
  • Apparatus Associated With Microorganisms And Enzymes (AREA)
CA275,438A 1976-04-12 1977-04-04 Process and installation for eliminating by flotation impurities in the form of solid particles contained in a liquid Expired CA1096515A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE166085A BE840662A (fr) 1976-04-12 1976-04-12 Procede et installation pour l'elimination par flottation d'impuretes sous forme de particules solides, contenues dans un liquide
BE0/166.085 1976-04-12

Publications (1)

Publication Number Publication Date
CA1096515A true CA1096515A (en) 1981-02-24

Family

ID=3842869

Family Applications (1)

Application Number Title Priority Date Filing Date
CA275,438A Expired CA1096515A (en) 1976-04-12 1977-04-04 Process and installation for eliminating by flotation impurities in the form of solid particles contained in a liquid

Country Status (13)

Country Link
JP (2) JPS52124273A (it)
AT (1) AT358499B (it)
BR (1) BR7702266A (it)
CA (1) CA1096515A (it)
CH (1) CH614636A5 (it)
DE (2) DE2760246C2 (it)
ES (1) ES458029A1 (it)
FI (1) FI68093C (it)
FR (2) FR2347984A1 (it)
GB (1) GB1570345A (it)
IT (2) IT1073184B (it)
NL (2) NL180076C (it)
SE (2) SE425145B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4157952A (en) * 1978-03-24 1979-06-12 Lenox Institute For Research Apparatus for deinking waste paper pulp
DE2836496C2 (de) * 1978-08-21 1982-05-13 E. & M. Lamort S.A., 51300 Vitry-le-François, Marne Verfahren und Vorrichtung zum Deinken von Faserstoffsuspensionen
DE3111506C2 (de) * 1981-03-24 1986-01-09 Bergwerksverband Gmbh, 4300 Essen Begasungseinrichtung für Flotationsanlagen
DE3127290C2 (de) * 1981-07-10 1986-10-30 J.M. Voith Gmbh, 7920 Heidenheim Flotationseinrichtung zur Aufbereitung von Altpapier
DE3320125A1 (de) * 1983-06-03 1984-12-06 J.M. Voith Gmbh, 7920 Heidenheim Verfahren und einrichtung zur aufbereitung von altpapier
AU3762285A (en) * 1984-01-30 1985-08-08 Miller, F.G. Flotation separation apparatus and method
US4613430A (en) * 1984-01-30 1986-09-23 Miller Francis G Froth flotation separation method and apparatus
DE3723502A1 (de) * 1987-07-16 1989-01-26 Henkel Kgaa Verfahren zur flotation von fuellstoffen aus altpapier
DE3918025A1 (de) * 1989-06-02 1990-12-06 Bergwerksverband Gmbh Flotationsapparat
FR2772399B1 (fr) * 1997-12-15 2000-02-11 Lamort E & M Procede de desencrage de la pate a papier provenant de papiers recycles
JP4802305B2 (ja) * 2009-07-17 2011-10-26 独立行政法人科学技術振興機構 浮遊分離装置及び方法並びにその利用製品の製造方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR668406A (fr) * 1928-01-24 1929-10-31 Phosphate Recovery Corp Perfectionnements au traitement des matières phosphatiques
US1805830A (en) * 1929-05-20 1931-05-19 Mason Charles Dorel Foam destroyer
US1952727A (en) * 1929-10-26 1934-03-27 United Verde Copper Company Froth flotation
US2874842A (en) * 1955-04-05 1959-02-24 Krofta Milos Process and apparatus for waste liquid purification
US3148948A (en) * 1961-12-26 1964-09-15 Dorr Oliver Inc Cooling and defoaming phosphoric acid slurries
DE1792539A1 (de) * 1968-09-17 1971-11-25 Dr Baer Eberhardt H Verfahren zur Trennung von emulgierten oder dispergierten Stoffen aus Wasser
AU464321B2 (en) * 1970-10-28 1975-08-07 Aktiengesellschaft Des Altenbergs Furberg Bau Und Zinkhuttenbetrieb Process and apparatus forthe flotation of fine-grained mixtures of material, particularly of minerals
DE2161015A1 (de) * 1971-12-09 1973-06-20 Escher Wyss Gmbh Flotiervorrichtung zum reinigen einer faserstoffsuspension durch flotation in der papierindustrie
DE2420482A1 (de) * 1974-04-27 1975-11-13 Bergwerksverband Gmbh Verfahren und anlage zur flotation

Also Published As

Publication number Publication date
FR2347984A1 (fr) 1977-11-10
IT8348476A0 (it) 1983-06-10
ES458029A1 (es) 1978-03-16
DE2712947C2 (de) 1985-10-10
NL180076B (nl) 1986-08-01
FI770993A (it) 1977-10-13
DE2712947A1 (de) 1977-10-20
SE452121B (sv) 1987-11-16
ATA247877A (de) 1980-02-15
JPS5623659B2 (it) 1981-06-01
AT358499B (de) 1980-09-10
IT1073184B (it) 1985-04-13
SE7704203L (sv) 1977-10-13
FR2544225A1 (fr) 1984-10-19
JPS56161849A (en) 1981-12-12
FI68093B (fi) 1985-03-29
NL8601174A (nl) 1986-09-01
CH614636A5 (en) 1979-12-14
SE8202540L (sv) 1982-04-22
FR2544225B1 (fr) 1988-11-18
FR2347984B1 (it) 1983-08-26
FI68093C (fi) 1985-07-10
JPS52124273A (en) 1977-10-19
NL180076C (nl) 1987-01-02
JPS6057903B2 (ja) 1985-12-17
DE2760246C2 (de) 1985-09-12
GB1570345A (en) 1980-07-02
BR7702266A (pt) 1977-12-06
SE425145B (sv) 1982-09-06
NL7703627A (nl) 1977-10-14
IT1218334B (it) 1990-04-12

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Legal Events

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