CA2261664C - Perfected reactor for liquids purification - Google Patents

Perfected reactor for liquids purification Download PDF

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Publication number
CA2261664C
CA2261664C CA 2261664 CA2261664A CA2261664C CA 2261664 C CA2261664 C CA 2261664C CA 2261664 CA2261664 CA 2261664 CA 2261664 A CA2261664 A CA 2261664A CA 2261664 C CA2261664 C CA 2261664C
Authority
CA
Canada
Prior art keywords
liquid
tank
reactor according
reactor
purification
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
CA 2261664
Other languages
English (en)
French (fr)
Other versions
CA2261664A1 (en
Inventor
Flavio Magaraggia
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.)
Comer Industries SpA
Original Assignee
Comer SpA
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 Comer SpA filed Critical Comer SpA
Publication of CA2261664A1 publication Critical patent/CA2261664A1/en
Application granted granted Critical
Publication of CA2261664C publication Critical patent/CA2261664C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • D21B1/325—Defibrating by other means of waste paper de-inking devices
    • D21B1/327—Defibrating by other means of waste paper de-inking devices using flotation devices
    • 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
    • B03D1/08—Subsequent treatment of concentrated product
    • B03D1/082—Subsequent treatment of concentrated product of the froth product, e.g. washing
    • 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
    • B03D1/1475—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
    • B03D1/16—Flotation machines with impellers; Subaeration machines
    • B03D1/18—Flotation machines with impellers; Subaeration machines without air supply
    • 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
    • B03D1/247—Mixing gas and slurry in a device separate from the flotation tank, i.e. reactor-separator type
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
    • D21F1/70—Pulp catching, de-watering, or recovering; Re-use of pulp-water by flotation
    • 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
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biotechnology (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Degasification And Air Bubble Elimination (AREA)
  • Paper (AREA)
  • Physical Water Treatments (AREA)
  • Cleaning By Liquid Or Steam (AREA)
CA 2261664 1997-05-30 1998-05-27 Perfected reactor for liquids purification Expired - Fee Related CA2261664C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITVI97A000081 1997-05-30
IT97VI000081 IT1293000B1 (it) 1997-05-30 1997-05-30 Reattore perfezionato per la depurazione di liquidi.
PCT/EP1998/003119 WO1998054402A1 (en) 1997-05-30 1998-05-27 Perfected reactor for liquids purification

Publications (2)

Publication Number Publication Date
CA2261664A1 CA2261664A1 (en) 1998-12-03
CA2261664C true CA2261664C (en) 2002-07-02

Family

ID=11426378

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2261664 Expired - Fee Related CA2261664C (en) 1997-05-30 1998-05-27 Perfected reactor for liquids purification

Country Status (11)

Country Link
US (1) US6068132A (en:Method)
EP (1) EP0916000B1 (en:Method)
JP (1) JP3340751B2 (en:Method)
AT (1) ATE246744T1 (en:Method)
CA (1) CA2261664C (en:Method)
DE (1) DE69816940T2 (en:Method)
ES (1) ES2203972T3 (en:Method)
IN (1) IN192430B (en:Method)
IT (1) IT1293000B1 (en:Method)
NO (1) NO314948B1 (en:Method)
WO (1) WO1998054402A1 (en:Method)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20040181A1 (it) * 2004-07-21 2004-10-21 Comer Spa Reattore particolarmente adatto per la depurazione di sospensioni fibrose disperse in liquidi
ITVI20070133A1 (it) * 2007-05-09 2008-11-10 Comer Spa Cella di flottazione perfezionata per la depurazione di sospensioni fibrose
CN103908940A (zh) * 2012-12-29 2014-07-09 重庆昊江耐火材料有限责任公司 一种混料均匀的反应釜
FR3012477B1 (fr) * 2013-10-25 2021-07-02 Kadant Lamort Procede de flottation, et installation pour sa mise en œuvre
CN105537008B (zh) * 2015-12-13 2018-12-04 杭州创培信息科技有限公司 一种搅拌装置
AU2017205988A1 (en) * 2016-01-06 2018-07-19 Oren Technologies, Llc Conveyor with integrated dust collector system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2041788B (en) * 1978-08-21 1982-10-06 Feldmuehle Ag Method and device for cleaning suspension fibres
US4431531A (en) * 1981-06-08 1984-02-14 The Deister Concentrator Company, Inc. Concentration of minerals by flotation apparatus
US5335785A (en) * 1993-05-19 1994-08-09 Board Of Control Of Michigan Technological University Flotation column with adjustable supported baffles
IT1264669B1 (it) * 1993-07-05 1996-10-04 Comer Spa Reattore per la rimozione di impurita' da un liquido
FR2717192B1 (fr) * 1994-03-11 1996-04-26 Lamort E & M Procédé de désencrage de pâte à papier et appareil pour la mise en Óoeuvre de ce procédé.
DE19611864C1 (de) * 1996-03-26 1997-12-11 Voith Sulzer Stoffaufbereitung Flotationsverfahren und Vorrichtung zur Abscheidung von Feststoff aus einer papierfaserhaltigen Suspension

Also Published As

Publication number Publication date
EP0916000A1 (en) 1999-05-19
US6068132A (en) 2000-05-30
JP3340751B2 (ja) 2002-11-05
ATE246744T1 (de) 2003-08-15
WO1998054402A1 (en) 1998-12-03
ES2203972T3 (es) 2004-04-16
ITVI970081A0 (en:Method) 1997-05-30
NO314948B1 (no) 2003-06-16
JPH11514925A (ja) 1999-12-21
NO990129D0 (no) 1999-01-13
EP0916000B1 (en) 2003-08-06
IN192430B (en:Method) 2004-04-24
IT1293000B1 (it) 1999-02-11
DE69816940T2 (de) 2004-06-03
ITVI970081A1 (it) 1998-11-30
NO990129L (no) 1999-03-19
CA2261664A1 (en) 1998-12-03
DE69816940D1 (de) 2003-09-11

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MKLA Lapsed

Effective date: 20070528