CA1220372A - Liquid treatment of pulp - Google Patents

Liquid treatment of pulp

Info

Publication number
CA1220372A
CA1220372A CA000424821A CA424821A CA1220372A CA 1220372 A CA1220372 A CA 1220372A CA 000424821 A CA000424821 A CA 000424821A CA 424821 A CA424821 A CA 424821A CA 1220372 A CA1220372 A CA 1220372A
Authority
CA
Canada
Prior art keywords
liquid
pulp
displacement
added
path
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
CA000424821A
Other languages
English (en)
French (fr)
Inventor
Finn Jacobsen
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.)
Metso Fiber Karlstad AB
Original Assignee
Kamyr AB
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 Kamyr AB filed Critical Kamyr AB
Application granted granted Critical
Publication of CA1220372A publication Critical patent/CA1220372A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D11/00—Solvent extraction
    • B01D11/02—Solvent extraction of solids
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
CA000424821A 1982-03-29 1983-03-29 Liquid treatment of pulp Expired CA1220372A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE82.01973-8 1982-03-29
SE8201973A SE426607B (sv) 1982-03-29 1982-03-29 Sett att behandla en massasuspension som er i rorelse lengs en bana medelst fortrengning av massans suspensionsvetska med en eller flera ersettningsvetskor

Publications (1)

Publication Number Publication Date
CA1220372A true CA1220372A (en) 1987-04-14

Family

ID=20346389

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000424821A Expired CA1220372A (en) 1982-03-29 1983-03-29 Liquid treatment of pulp

Country Status (10)

Country Link
US (1) US4705600A (en, 2012)
JP (2) JPH0641677B2 (en, 2012)
AT (1) AT380038B (en, 2012)
BR (1) BR8301602A (en, 2012)
CA (1) CA1220372A (en, 2012)
DE (1) DE3310605A1 (en, 2012)
FI (1) FI74751C (en, 2012)
FR (1) FR2524025B1 (en, 2012)
NO (1) NO161631C (en, 2012)
SE (1) SE426607B (en, 2012)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5015333A (en) * 1983-07-20 1991-05-14 Beloit Corporation Multi-stage pulp washing within a batch digester
US4808265A (en) * 1986-08-07 1989-02-28 Ingersoll-Rand Company Method of washing pulp in a pressure pulp washer adding two washing liquids
FI77063B (fi) * 1986-12-17 1988-09-30 Ahlstroem Oy Foerfarande foer effektivering av fibersuspensionstvaett.
US4944842A (en) * 1987-03-26 1990-07-31 Kamyr, Inc. Method for reducing contamination in pulp processing
US5021127A (en) * 1987-12-01 1991-06-04 Kamyr, Inc. Extended delignification in pressure diffusers
FI107742B (fi) * 1995-09-11 2001-09-28 Andritz Ahlstrom Oy Menetelmä ja laite massan käsittelemiseksi
AU5865398A (en) * 1997-01-31 1998-08-25 Ahlstrom Machinery Oy Feeding of washing liquid in a pulp washer
FI112957B (fi) 1999-07-21 2004-02-13 Metso Paper Pori Oy Menetelmä ja laite massan pesemiseksi
SE526292C2 (sv) * 2004-04-07 2005-08-16 Kvaerner Pulping Tech Förfarande och anordning för utspädning av avvattnad cellulosamassa
US8888958B2 (en) * 2012-12-31 2014-11-18 Andritz Inc. Pressure diffuser with an annular baffle screen plate over water inlet

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1933609A (en) * 1932-02-17 1933-11-07 J O Ross Engineering Corp Multiple stage pulp washer
SE198496C1 (en, 2012) * 1963-05-20 1965-09-21
CA783483A (en) * 1964-08-13 1968-04-23 Electric Reduction Company Of Canada Processes for bleaching cellulosic pulps
SE225814C1 (en, 2012) * 1965-03-25 1969-03-25
GB1100709A (en) * 1965-06-25 1968-01-24 Pulp Paper Res Inst Two-stage purification of fibrous cellulose material
GB1217833A (en) * 1967-01-16 1970-12-31 Electric Reduction Co Improved cellulosic pulp process
SE350290B (en, 2012) * 1968-05-16 1972-10-23 Improved Machinery Inc
US3807202A (en) * 1969-09-30 1974-04-30 K Gunkel Continuous washing apparatus for pulp stock and the like
NO141172B (no) * 1970-06-25 Keskuslaboratorio-Centrallaboratorium Ab, Oy, Fremgangsmaate ved dynamisk bleking av fibermasse
NO136891B (no) * 1973-01-10 1977-08-15 Stranger Johannessen Per Fremgangsm}te og apparat til kontinuerlig fortrengningsvasking av stoffmasser som inneholder en v{ske.
FR2286234A1 (fr) * 1974-09-27 1976-04-23 Erco Envirotech Ltd Fabrication de pate de cellulose blanchie
US4046621A (en) * 1974-12-17 1977-09-06 The Ontario Paper Company Limited Process for treating a slurry of cellulosic material
US4014736A (en) * 1974-12-17 1977-03-29 The Ontario Paper Company Limited Process for treating a slurry of cellulosic material
SE394821B (sv) * 1975-04-15 1977-07-11 Kamyr Ab Sett och anordning for avvattning av suspensioner i rorelse
JPS5923981B2 (ja) * 1976-08-14 1984-06-06 ジェイエスアール株式会社 環状フイルム成形用装置
US4151093A (en) * 1978-03-24 1979-04-24 Lenox Institute For Research Stockwasher
US4213822A (en) * 1978-10-12 1980-07-22 Eriksson Erik S Apparatus for displacement washing of fibrous material suspended in a liquid
US4310384A (en) * 1979-01-11 1982-01-12 Weyerhaeuser Company Reducing chemical transfer between treatment stages
NO800041L (no) * 1979-01-11 1980-07-14 Weyerhaeuser Co Fremgangsmaate for vasking av cellulosemasse.
SE435400B (sv) * 1980-01-10 1984-09-24 Kamyr Ab Silanordning for avdrag av vetska fran suspensioner i rorelse
FI68686C (fi) * 1980-01-10 1985-10-10 Kamyr Ab Anordning foer behandling av stroemmande suspensioner
DE102007046467A1 (de) 2007-09-28 2009-04-02 Saltigo Gmbh Verfahren zur Herstellung von Monomethylhydrazin

Also Published As

Publication number Publication date
ATA108183A (de) 1985-08-15
FI74751C (fi) 1988-03-10
JPH0791792B2 (ja) 1995-10-04
FR2524025B1 (fr) 1986-11-14
FI830978A0 (fi) 1983-03-23
JPH06294086A (ja) 1994-10-21
FI74751B (fi) 1987-11-30
SE426607B (sv) 1983-01-31
NO161631C (no) 1989-09-06
NO161631B (no) 1989-05-29
BR8301602A (pt) 1983-12-06
DE3310605C2 (en, 2012) 1989-02-23
NO831018L (no) 1983-09-30
FR2524025A1 (fr) 1983-09-30
FI830978L (fi) 1983-09-30
JPS58214593A (ja) 1983-12-13
DE3310605A1 (de) 1983-09-29
AT380038B (de) 1986-03-25
US4705600A (en) 1987-11-10
JPH0641677B2 (ja) 1994-06-01

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Legal Events

Date Code Title Description
MKEX Expiry