NO923163L - Fremgangsmaate ved alkalitilsetning til tremasse - Google Patents

Fremgangsmaate ved alkalitilsetning til tremasse

Info

Publication number
NO923163L
NO923163L NO92923163A NO923163A NO923163L NO 923163 L NO923163 L NO 923163L NO 92923163 A NO92923163 A NO 92923163A NO 923163 A NO923163 A NO 923163A NO 923163 L NO923163 L NO 923163L
Authority
NO
Norway
Prior art keywords
tremasses
alkalite
procedure
addition
alkalite addition
Prior art date
Application number
NO92923163A
Other languages
English (en)
Other versions
NO923163D0 (no
Inventor
James C Joseph
Christopher H Matthews
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 NO923163D0 publication Critical patent/NO923163D0/no
Publication of NO923163L publication Critical patent/NO923163L/no

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
    • D21C9/1005—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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
NO92923163A 1991-08-14 1992-08-13 Fremgangsmaate ved alkalitilsetning til tremasse NO923163L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US74822291A 1991-08-14 1991-08-14

Publications (2)

Publication Number Publication Date
NO923163D0 NO923163D0 (no) 1992-08-13
NO923163L true NO923163L (no) 1993-02-15

Family

ID=25008524

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92923163A NO923163L (no) 1991-08-14 1992-08-13 Fremgangsmaate ved alkalitilsetning til tremasse

Country Status (11)

Country Link
EP (1) EP0530881A1 (no)
JP (1) JPH0726350B2 (no)
KR (1) KR950013196B1 (no)
CN (1) CN1070969A (no)
AU (1) AU647950B2 (no)
BR (1) BR9203170A (no)
CA (1) CA2075875A1 (no)
FI (1) FI923585A (no)
NO (1) NO923163L (no)
SE (1) SE9202338L (no)
ZA (1) ZA926092B (no)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1277283A (zh) * 1999-06-14 2000-12-20 普拉塞尔技术有限公司 木素纤维素材料的氧脱木质
FI122241B (fi) * 2007-06-15 2011-10-31 Andritz Oy Menetelmä massan pesun yhteydessä sellutehtaalla
US9932709B2 (en) 2013-03-15 2018-04-03 Ecolab Usa Inc. Processes and compositions for brightness improvement in paper production
FI20115754A0 (fi) * 2011-03-22 2011-07-15 Andritz Oy Menetelmä ja järjestely kemiallisen massan käsittelemiseksi
RU2018117289A (ru) 2013-02-08 2018-10-26 ДжиПи СЕЛЛЬЮЛОУС ГМБХ КРАФТ-ВОЛОКНО ДРЕВЕСИНЫ ХВОЙНЫХ ПОРОД С УЛУЧШЕННЫМ СОДЕРЖАНИЕМ α-ЦЕЛЛЮЛОЗЫ И ЕГО ПРИМЕНЕНИЕ ПРИ ПРОИЗВОДСТВЕ ХИМИЧЕСКИХ ЦЕЛЛЮЛОЗНЫХ ПРОДУКТОВ
US20180030651A1 (en) * 2016-07-27 2018-02-01 Ecolab USA, Inc. Method and compositions for oxygen delignification of chemical pulp

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0211945A4 (en) * 1985-02-14 1987-07-06 Edward Francis Elton METHOD AND DEVICE FOR ALKALINE DELIGNIFICATION OF LIGNOCELLULOSE FIBER MATERIAL.
US5179021A (en) * 1989-02-10 1993-01-12 Gil Inc. (Now Ici Canada Inc.) Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment
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
AU647485B2 (en) * 1991-04-18 1994-03-24 Union Camp Patent Holding, Inc. Pulp alkali addition process for high consistency oxygen delignification

Also Published As

Publication number Publication date
NO923163D0 (no) 1992-08-13
CA2075875A1 (en) 1993-02-15
KR950013196B1 (ko) 1995-10-25
JPH05195461A (ja) 1993-08-03
SE9202338L (sv) 1993-02-15
SE9202338D0 (sv) 1992-08-12
BR9203170A (pt) 1993-03-30
ZA926092B (en) 1993-03-02
FI923585A (fi) 1993-02-15
KR930004578A (ko) 1993-03-22
FI923585A0 (fi) 1992-08-11
AU2095492A (en) 1993-02-25
AU647950B2 (en) 1994-03-31
JPH0726350B2 (ja) 1995-03-22
CN1070969A (zh) 1993-04-14
EP0530881A1 (en) 1993-03-10

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