AU6248394A - Wood pulp processing apparatus and method - Google Patents

Wood pulp processing apparatus and method

Info

Publication number
AU6248394A
AU6248394A AU62483/94A AU6248394A AU6248394A AU 6248394 A AU6248394 A AU 6248394A AU 62483/94 A AU62483/94 A AU 62483/94A AU 6248394 A AU6248394 A AU 6248394A AU 6248394 A AU6248394 A AU 6248394A
Authority
AU
Australia
Prior art keywords
processing apparatus
wood pulp
pulp processing
wood
pulp
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.)
Abandoned
Application number
AU62483/94A
Other languages
English (en)
Inventor
Reijo K. Salminen
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.)
REIJO K SALMINEN
Original Assignee
REIJO K SALMINEN
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 REIJO K SALMINEN filed Critical REIJO K SALMINEN
Publication of AU6248394A publication Critical patent/AU6248394A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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
    • D21C9/06—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in filters ; Washing of concentrated pulp, e.g. pulp mats, on filtering surfaces
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D21D1/40—Washing the fibres
    • 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
    • D21F1/80—Pulp catching, de-watering, or recovering; Re-use of pulp-water using endless screening belts

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU62483/94A 1993-02-19 1994-02-18 Wood pulp processing apparatus and method Abandoned AU6248394A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2032493A 1993-02-19 1993-02-19
US020324 1993-02-19
PCT/US1994/001943 WO1994019534A1 (en) 1993-02-19 1994-02-18 Wood pulp processing apparatus and method

Publications (1)

Publication Number Publication Date
AU6248394A true AU6248394A (en) 1994-09-14

Family

ID=21797981

Family Applications (1)

Application Number Title Priority Date Filing Date
AU62483/94A Abandoned AU6248394A (en) 1993-02-19 1994-02-18 Wood pulp processing apparatus and method

Country Status (3)

Country Link
EP (1) EP0689626A4 (de)
AU (1) AU6248394A (de)
WO (1) WO1994019534A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6423183B1 (en) 1997-12-24 2002-07-23 Kimberly-Clark Worldwide, Inc. Paper products and a method for applying a dye to cellulosic fibers
US6749721B2 (en) 2000-12-22 2004-06-15 Kimberly-Clark Worldwide, Inc. Process for incorporating poorly substantive paper modifying agents into a paper sheet via wet end addition
US6582560B2 (en) 2001-03-07 2003-06-24 Kimberly-Clark Worldwide, Inc. Method for using water insoluble chemical additives with pulp and products made by said method
US7749356B2 (en) 2001-03-07 2010-07-06 Kimberly-Clark Worldwide, Inc. Method for using water insoluble chemical additives with pulp and products made by said method
US7670459B2 (en) 2004-12-29 2010-03-02 Kimberly-Clark Worldwide, Inc. Soft and durable tissue products containing a softening agent

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2772138A (en) * 1952-12-31 1956-11-27 Hercules Powder Co Ltd Continuous bleaching process
SE312269B (de) * 1964-12-17 1969-07-07 T Aremaa
US3564631A (en) * 1968-05-16 1971-02-23 Improved Machinery Inc Pulp treating apparatus and method
SE395920B (sv) * 1975-12-19 1977-08-29 Uddeholms Ab Sett vid blekning och tvettning v cellulosamassa
US4154644A (en) * 1978-02-27 1979-05-15 Georgia-Pacific Corporation Pulp washer
US4303470A (en) * 1979-06-15 1981-12-01 Weyerhaeuser Company Method and apparatus for mixing gases with a wood pulp slurry
FI67894C (fi) * 1982-05-21 1985-06-10 Rauma Repola Oy Foerfarande och anordning foer blekning av fibermassa
FI67891C (fi) * 1983-02-17 1985-06-10 Larox Ag Foerfarande foer behandling av den fraon en cellulosas kokningsprocess erhaollna cellulosan

Also Published As

Publication number Publication date
EP0689626A4 (de) 1997-12-10
EP0689626A1 (de) 1996-01-03
WO1994019534A1 (en) 1994-09-01

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