ZA928294B - Wash press modification for oxygen delignification process. - Google Patents

Wash press modification for oxygen delignification process.

Info

Publication number
ZA928294B
ZA928294B ZA928294A ZA928294A ZA928294B ZA 928294 B ZA928294 B ZA 928294B ZA 928294 A ZA928294 A ZA 928294A ZA 928294 A ZA928294 A ZA 928294A ZA 928294 B ZA928294 B ZA 928294B
Authority
ZA
South Africa
Prior art keywords
pulp
wash press
consistency
oxygen delignification
alkaline material
Prior art date
Application number
ZA928294A
Other languages
English (en)
Inventor
William H Friend
Stuart T Terrett
Spencer W Eachus
Bruce 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 ZA928294B publication Critical patent/ZA928294B/xx

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)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Detergent Compositions (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Gas Separation By Absorption (AREA)
ZA928294A 1991-10-29 1992-10-27 Wash press modification for oxygen delignification process. ZA928294B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA928294B true ZA928294B (en) 1993-05-18

Family

ID=25131607

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA928294A ZA928294B (en) 1991-10-29 1992-10-27 Wash press modification for oxygen delignification process.

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
EP0863113A1 (de) * 1997-03-07 1998-09-09 Akzo Nobel N.V. Verfahren zur Aufbereitung von Abwasser
US6425974B1 (en) 1997-03-07 2002-07-30 Akzo Nobel N.V. Process for treating wastewater from a bleach plant
FI122241B (fi) * 2007-06-15 2011-10-31 Andritz Oy Menetelmä massan pesun yhteydessä sellutehtaalla
WO2011156708A1 (en) * 2010-06-10 2011-12-15 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
JPS62501921A (ja) * 1985-02-14 1987-07-30 エルトン，エドワ−ド　フランシス リグノセルロ−ス繊維状物質のアルカリ脱リグニン方法と装置
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
DE69216757D1 (de) 1997-02-27
CN1080343A (zh) 1994-01-05
CA2081398C (en) 1997-03-25
AU2716892A (en) 1993-05-20
NO924080D0 (no) 1992-10-21
NO924080L (no) 1993-04-30
KR960006125B1 (ko) 1996-05-09
JPH05195466A (ja) 1993-08-03
ATE147808T1 (de) 1997-02-15
SE9203113D0 (sv) 1992-10-23
EP0540091A1 (de) 1993-05-05
CA2081398A1 (en) 1993-04-30
FI924751A0 (fi) 1992-10-20
NZ244837A (en) 1994-10-26
FI924751A (fi) 1993-04-30
KR930008238A (ko) 1993-05-21
AU647973B2 (en) 1994-03-31
EP0540091B1 (de) 1997-01-15
BR9204173A (pt) 1993-05-04
SE9203113L (sv) 1993-04-30

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