SE9203801L - Massaframstaellningsfoerfarande med alkalitillsats foer tjockmassa-oxygendelignifiering - Google Patents

Massaframstaellningsfoerfarande med alkalitillsats foer tjockmassa-oxygendelignifiering

Info

Publication number
SE9203801L
SE9203801L SE9203801A SE9203801A SE9203801L SE 9203801 L SE9203801 L SE 9203801L SE 9203801 A SE9203801 A SE 9203801A SE 9203801 A SE9203801 A SE 9203801A SE 9203801 L SE9203801 L SE 9203801L
Authority
SE
Sweden
Prior art keywords
pulp
mass
oxygen
alkalite
eligibility
Prior art date
Application number
SE9203801A
Other languages
English (en)
Swedish (sv)
Other versions
SE9203801D0 (sv
Inventor
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
Priority to PCT/US1991/002673 priority Critical patent/WO1992018689A1/en
Priority to AU78754/91A priority patent/AU647485B2/en
Priority to CA002069447A priority patent/CA2069447C/en
Priority to JP3509138A priority patent/JPH06501290A/ja
Priority to EP19910909663 priority patent/EP0539381A4/en
Priority to CN91103486A priority patent/CN1066308A/zh
Application filed by Union Camp Patent Holding filed Critical Union Camp Patent Holding
Priority to SE9203801A priority patent/SE9203801L/
Publication of SE9203801D0 publication Critical patent/SE9203801D0/xx
Publication of SE9203801L publication Critical patent/SE9203801L/

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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic compounds
    • 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)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
SE9203801A 1991-04-18 1992-12-17 Massaframstaellningsfoerfarande med alkalitillsats foer tjockmassa-oxygendelignifiering SE9203801L (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
PCT/US1991/002673 WO1992018689A1 (en) 1991-04-18 1991-04-18 Pulp alkali addition process for high consistency oxygen delignification
AU78754/91A AU647485B2 (en) 1991-04-18 1991-04-18 Pulp alkali addition process for high consistency oxygen delignification
CA002069447A CA2069447C (en) 1991-04-18 1991-04-18 Pulp alkali addition process for high consistency oxygen delignification
JP3509138A JPH06501290A (ja) 1991-04-18 1991-04-18 高コンシステンシー酸素脱リグニンのためのパルプアルカリ添加法
EP19910909663 EP0539381A4 (en) 1991-04-18 1991-04-18 Gradual addition of alkali in high consistency oxygen delignification.
CN91103486A CN1066308A (zh) 1991-04-18 1991-04-30 用于高浓度氧脱木素作用的纸浆加碱法
SE9203801A SE9203801L (sv) 1991-04-18 1992-12-17 Massaframstaellningsfoerfarande med alkalitillsats foer tjockmassa-oxygendelignifiering

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
PCT/US1991/002673 WO1992018689A1 (en) 1991-04-18 1991-04-18 Pulp alkali addition process for high consistency oxygen delignification
CA002069447A CA2069447C (en) 1991-04-18 1991-04-18 Pulp alkali addition process for high consistency oxygen delignification
CN91103486A CN1066308A (zh) 1991-04-18 1991-04-30 用于高浓度氧脱木素作用的纸浆加碱法
SE9203801A SE9203801L (sv) 1991-04-18 1992-12-17 Massaframstaellningsfoerfarande med alkalitillsats foer tjockmassa-oxygendelignifiering

Publications (2)

Publication Number Publication Date
SE9203801D0 SE9203801D0 (sv) 1992-12-17
SE9203801L true SE9203801L (sv) 1993-02-10

Family

ID=27426917

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9203801A SE9203801L (sv) 1991-04-18 1992-12-17 Massaframstaellningsfoerfarande med alkalitillsats foer tjockmassa-oxygendelignifiering

Country Status (7)

Country Link
EP (1) EP0539381A4 ( )
JP (1) JPH06501290A ( )
CN (1) CN1066308A ( )
AU (1) AU647485B2 ( )
CA (1) CA2069447C ( )
SE (1) SE9203801L ( )
WO (1) WO1992018689A1 ( )

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI923585A (fi) * 1991-08-14 1993-02-15 Union Camp Patent Holding Anvaendning av en tvaettpress i en alkalitillsatsprocess foer massa
CN100395403C (zh) * 2007-08-03 2008-06-18 山东泉林纸业有限责任公司 一种禾草类未漂化学浆的氧脱木素处理方法
CA3100582C (en) * 2018-05-28 2023-08-08 Pierson Capital Environmental (Beijing) Limited Efficient methods and compositions for recovery of products from organic acid pretreatment of plant materials

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE334286B ( ) * 1968-12-05 1971-04-19 Mo Och Domsjoe Ab
US4198266A (en) * 1977-10-12 1980-04-15 Airco, Inc. Oxygen delignification of wood pulp
US4198261A (en) * 1977-12-05 1980-04-15 Gould Inc. Method for end point detection during plasma etching
US4806203A (en) * 1985-02-14 1989-02-21 Elton Edward F Method for alkaline delignification of lignocellulosic fibrous material at a consistency which is raised during reaction
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
AU647485B2 (en) 1994-03-24
JPH06501290A (ja) 1994-02-10
EP0539381A4 (en) 1994-10-12
CA2069447A1 (en) 1992-10-19
SE9203801D0 (sv) 1992-12-17
EP0539381A1 (en) 1993-05-05
WO1992018689A1 (en) 1992-10-29
AU7875491A (en) 1992-11-17
CN1066308A (zh) 1992-11-18
CA2069447C (en) 1996-08-27

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