SE9203113L - Tvaettpressmodifiering foer oxygendelignfieringsprocess - Google Patents

Tvaettpressmodifiering foer oxygendelignfieringsprocess

Info

Publication number
SE9203113L
SE9203113L SE9203113A SE9203113A SE9203113L SE 9203113 L SE9203113 L SE 9203113L SE 9203113 A SE9203113 A SE 9203113A SE 9203113 A SE9203113 A SE 9203113A SE 9203113 L SE9203113 L SE 9203113L
Authority
SE
Sweden
Prior art keywords
pulp
consistency
oxygen
alkaline material
wash press
Prior art date
Application number
SE9203113A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Other versions
SE9203113D0 (sv
Inventor
W H Friend
S T Terrett
S W Eachus
B F Griggs
Original Assignee
Union Camp Patent Holding
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 Union Camp Patent Holding filed Critical Union Camp Patent Holding
Publication of SE9203113D0 publication Critical patent/SE9203113D0/xx
Publication of SE9203113L publication Critical patent/SE9203113L/

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
    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Medicines Containing Material From Animals Or Micro-Organisms (AREA)
  • Television Systems (AREA)
  • Gas Separation By Absorption (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Detergent Compositions (AREA)
SE9203113A 1991-10-29 1992-10-23 Tvaettpressmodifiering foer oxygendelignfieringsprocess SE9203113L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US78418491A 1991-10-29 1991-10-29

Publications (2)

Publication Number Publication Date
SE9203113D0 SE9203113D0 (sv) 1992-10-23
SE9203113L true SE9203113L (sv) 1993-04-30

Family

ID=25131607

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9203113A SE9203113L (sv) 1991-10-29 1992-10-23 Tvaettpressmodifiering foer oxygendelignfieringsprocess

Country Status (14)

Country Link
EP (1) EP0540091B1 (de)
JP (1) JPH05195466A (de)
KR (1) KR960006125B1 (de)
CN (1) CN1080343A (de)
AT (1) ATE147808T1 (de)
AU (1) AU647973B2 (de)
BR (1) BR9204173A (de)
CA (1) CA2081398C (de)
DE (1) DE69216757D1 (de)
FI (1) FI924751A (de)
NO (1) NO924080L (de)
NZ (1) NZ244837A (de)
SE (1) SE9203113L (de)
ZA (1) ZA928294B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2282849C (en) 1997-03-07 2004-07-13 Akzo Nobel N.V. Process for treating wastewater
EP0863113A1 (de) * 1997-03-07 1998-09-09 Akzo Nobel N.V. Verfahren zur Aufbereitung von Abwasser
FI122241B (fi) * 2007-06-15 2011-10-31 Andritz Oy Menetelmä massan pesun yhteydessä sellutehtaalla
CA2802237C (en) 2010-06-10 2018-02-13 Packaging Corporation Of America Method of manufacturing pulp for corrugated medium

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1986004938A1 (en) * 1985-02-14 1986-08-28 Edward Francis Elton Method and apparatus for alkaline delignification of lignocellulosic fibrous materials
US5173153A (en) * 1991-01-03 1992-12-22 Union Camp Patent Holding, Inc. Process for enhanced oxygen delignification using high consistency and a split alkali addition
US5085734A (en) * 1989-02-15 1992-02-04 Union Camp Patent Holding, Inc. Methods of high consistency oxygen delignification using a low consistency alkali pretreatment
JPH02289194A (ja) * 1989-04-20 1990-11-29 Mitsubishi Paper Mills Ltd リグノセルロース物質の酸素漂白法

Also Published As

Publication number Publication date
JPH05195466A (ja) 1993-08-03
FI924751A (fi) 1993-04-30
CN1080343A (zh) 1994-01-05
ZA928294B (en) 1993-05-18
KR930008238A (ko) 1993-05-21
DE69216757D1 (de) 1997-02-27
NO924080L (no) 1993-04-30
EP0540091A1 (de) 1993-05-05
CA2081398C (en) 1997-03-25
CA2081398A1 (en) 1993-04-30
FI924751A0 (fi) 1992-10-20
AU2716892A (en) 1993-05-20
KR960006125B1 (ko) 1996-05-09
SE9203113D0 (sv) 1992-10-23
AU647973B2 (en) 1994-03-31
EP0540091B1 (de) 1997-01-15
ATE147808T1 (de) 1997-02-15
BR9204173A (pt) 1993-05-04
NZ244837A (en) 1994-10-26
NO924080D0 (no) 1992-10-21

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