DE602008003330D1 - Flotationszelle zur reinigung von fasersuspensionen - Google Patents

Flotationszelle zur reinigung von fasersuspensionen

Info

Publication number
DE602008003330D1
DE602008003330D1 DE200860003330 DE602008003330T DE602008003330D1 DE 602008003330 D1 DE602008003330 D1 DE 602008003330D1 DE 200860003330 DE200860003330 DE 200860003330 DE 602008003330 T DE602008003330 T DE 602008003330T DE 602008003330 D1 DE602008003330 D1 DE 602008003330D1
Authority
DE
Germany
Prior art keywords
suspension
container
flotation cell
air
rotor
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.)
Active
Application number
DE200860003330
Other languages
English (en)
Inventor
Franco Aver
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 DE602008003330D1 publication Critical patent/DE602008003330D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B03D1/14—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
    • B03D1/16—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
    • 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
    • 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
    • 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
DE200860003330 2007-05-09 2008-04-30 Flotationszelle zur reinigung von fasersuspensionen Active DE602008003330D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT000133A ITVI20070133A1 (it) 2007-05-09 2007-05-09 Cella di flottazione perfezionata per la depurazione di sospensioni fibrose
PCT/IB2008/001085 WO2008139289A2 (en) 2007-05-09 2008-04-30 Flotation cell for purifying fibrous suspensions

Publications (1)

Publication Number Publication Date
DE602008003330D1 true DE602008003330D1 (de) 2010-12-16

Family

ID=40002699

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200860003330 Active DE602008003330D1 (de) 2007-05-09 2008-04-30 Flotationszelle zur reinigung von fasersuspensionen

Country Status (7)

Country Link
US (1) US20100300953A1 (de)
EP (1) EP2152958B1 (de)
CN (1) CN101680164A (de)
AT (1) ATE486993T1 (de)
DE (1) DE602008003330D1 (de)
IT (1) ITVI20070133A1 (de)
WO (1) WO2008139289A2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2450106B1 (de) 2010-11-03 2016-06-01 Primetals Technologies Germany GmbH Flotationsapparat und Flotationsverfahren
FI20135868L (fi) 2013-08-28 2015-03-01 Outotec Finland Oy Menetelmä ja laite syöttövirtauksen käsittelemiseksi flotaatiolaitteeseen
SE1550650A1 (en) * 2015-05-21 2016-11-22 Stora Enso Oyj Cleaning of process water from bacteria or surfaces

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4710325A (en) * 1987-01-20 1987-12-01 Air-O-Lator Corporation Aspirating aeration and liquid mixing apparatus
JP2790338B2 (ja) * 1989-10-16 1998-08-27 石川島播磨重工業株式会社 脱インク用フローテーション装置
US5028315A (en) * 1989-12-11 1991-07-02 The Black Clawson Company Froth flotation apparatus and method
US5096572A (en) * 1990-03-12 1992-03-17 Board Of Control Of Michigan Tech. University Froth flotation
IT1264669B1 (it) 1993-07-05 1996-10-04 Comer Spa Reattore per la rimozione di impurita' da un liquido
IT1293000B1 (it) * 1997-05-30 1999-02-11 Comer Spa Reattore perfezionato per la depurazione di liquidi.
IT1293002B1 (it) 1997-05-30 1999-02-11 Comer Spa Diaframma per reattori impiegati per la depurazione di liquidi.

Also Published As

Publication number Publication date
ITVI20070133A1 (it) 2008-11-10
ATE486993T1 (de) 2010-11-15
EP2152958B1 (de) 2010-11-03
CN101680164A (zh) 2010-03-24
WO2008139289A2 (en) 2008-11-20
US20100300953A1 (en) 2010-12-02
WO2008139289A8 (en) 2009-02-12
EP2152958A2 (de) 2010-02-17
WO2008139289A3 (en) 2009-05-14

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