JPH0220755B2 - - Google Patents
Info
- Publication number
- JPH0220755B2 JPH0220755B2 JP8635482A JP8635482A JPH0220755B2 JP H0220755 B2 JPH0220755 B2 JP H0220755B2 JP 8635482 A JP8635482 A JP 8635482A JP 8635482 A JP8635482 A JP 8635482A JP H0220755 B2 JPH0220755 B2 JP H0220755B2
- Authority
- JP
- Japan
- Prior art keywords
- air
- flotation
- suspension
- mixing
- tank
- 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 - Lifetime
Links
- 238000005188 flotation Methods 0.000 claims abstract description 19
- 239000000725 suspension Substances 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 15
- 239000010893 paper waste Substances 0.000 claims abstract description 4
- 238000000926 separation method Methods 0.000 claims description 14
- 238000004064 recycling Methods 0.000 claims description 3
- 238000007654 immersion Methods 0.000 claims description 2
- 239000000835 fiber Substances 0.000 claims 1
- 239000002761 deinking Substances 0.000 abstract 1
- 238000007598 dipping method Methods 0.000 abstract 1
- 239000006260 foam Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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
- B03D1/14—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
- B03D1/24—Pneumatic
- B03D1/242—Nozzles for injecting gas into the flotation tank
-
- 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
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biotechnology (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3120202A DE3120202C2 (de) | 1981-05-21 | 1981-05-21 | Einrichtung zum Deinken von Altpapier durch Flotation |
DE3120202.0 | 1981-05-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5818495A JPS5818495A (ja) | 1983-02-03 |
JPH0220755B2 true JPH0220755B2 (sv) | 1990-05-10 |
Family
ID=6132869
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP57086354A Granted JPS5818495A (ja) | 1981-05-21 | 1982-05-21 | 故紙再生装置 |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5818495A (sv) |
AT (1) | AT380906B (sv) |
BR (1) | BR8202941A (sv) |
CH (1) | CH656406A5 (sv) |
DE (1) | DE3120202C2 (sv) |
IT (2) | IT1156010B (sv) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3614933C1 (de) * | 1986-05-02 | 1987-10-22 | Voith Gmbh J M | Flotationsbehaelter oder -zelle |
US5529190A (en) * | 1995-02-06 | 1996-06-25 | Ahlstrom Machinery, Inc. | Gas sparged hydrocyclone with foam separating vessel |
AT411155B (de) * | 2002-03-27 | 2003-10-27 | Andritz Ag Maschf | Vorrichtung zum abtrennen von feststoffen aus flüssigkeiten mittels flotation |
AT412216B (de) | 2003-01-24 | 2004-11-25 | Andritz Ag Maschf | Verfahren und vorrichtung zur belüftung von suspensionen |
DE102008056040A1 (de) | 2008-11-05 | 2010-05-06 | Voith Patent Gmbh | Verfahren zur Entfernung von Störstoffen aus einer wässrigen Papierfasersuspension durch Flotation sowie Vorrichtung zu seiner Durchführung |
DE102008063780A1 (de) | 2008-12-18 | 2010-06-24 | Voith Patent Gmbh | Verfahren zur Entfernung von Feststoffen aus einer Fasersuspension durch Flotation sowie Flotationsvorrichtung zu seiner Durchführung |
DE102008064271A1 (de) | 2008-12-20 | 2010-07-01 | Voith Patent Gmbh | Verfahren zur Entfernung von Feststoffen aus einer Fasersuspension durch Flotation sowie Flotationsvorrichtung zu seiner Durchführung |
DE102008064270A1 (de) * | 2008-12-20 | 2010-07-01 | Voith Patent Gmbh | Verfahren und Vorrichtung zur Flotation einer wässrigen Faserstoffsuspension |
DE102009010698A1 (de) * | 2009-02-27 | 2010-09-02 | Voith Patent Gmbh | Flotationsvorrichtung |
DE102009015404A1 (de) | 2009-03-27 | 2010-09-30 | Voith Patent Gmbh | Verfahren zur Entfernung von Feststoffen aus einer Faserstoffsuspension durch Flotation sowie Flotationsvorrichtung zu seiner Durchführung |
DE102009040318A1 (de) | 2009-09-05 | 2011-03-10 | Voith Patent Gmbh | Verfahren zur Entfernung von Störstoffen aus einer Fasersuspension durch Flotation sowie Flotationsvorrichtung zu seiner Durchführung |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2914392C2 (de) * | 1979-04-10 | 1980-10-23 | E. Et M. Lamort S.A., Vitry-Le-Francois | Verfahren und Vorrichtung zum Deinken von Faserstoffsuspensionen |
-
1981
- 1981-05-21 DE DE3120202A patent/DE3120202C2/de not_active Expired
-
1982
- 1982-05-04 AT AT172682A patent/AT380906B/de not_active IP Right Cessation
- 1982-05-17 CH CH3060/82A patent/CH656406A5/de not_active IP Right Cessation
- 1982-05-19 BR BR8202941A patent/BR8202941A/pt unknown
- 1982-05-20 IT IT6765982A patent/IT1156010B/it active
- 1982-05-20 IT IT5330782U patent/IT8253307V0/it unknown
- 1982-05-21 JP JP57086354A patent/JPS5818495A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
DE3120202C2 (de) | 1986-06-26 |
IT1156010B (it) | 1987-01-28 |
ATA172682A (de) | 1985-12-15 |
AT380906B (de) | 1986-07-25 |
BR8202941A (pt) | 1983-05-03 |
DE3120202A1 (de) | 1982-12-09 |
CH656406A5 (de) | 1986-06-30 |
JPS5818495A (ja) | 1983-02-03 |
IT8267659A0 (it) | 1982-05-20 |
IT8253307V0 (it) | 1982-05-20 |
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