NO922526D0 - Fremgangsmaate for bleking av cellulosemasse - Google Patents

Fremgangsmaate for bleking av cellulosemasse

Info

Publication number
NO922526D0
NO922526D0 NO922526A NO922526A NO922526D0 NO 922526 D0 NO922526 D0 NO 922526D0 NO 922526 A NO922526 A NO 922526A NO 922526 A NO922526 A NO 922526A NO 922526 D0 NO922526 D0 NO 922526D0
Authority
NO
Norway
Prior art keywords
cellulosema
blade
procedure
cellulosema blade
Prior art date
Application number
NO922526A
Other languages
English (en)
Other versions
NO922526L (no
Inventor
Jian E R Jiang
Joseph R Phillips
Brian F Greenwood
Original Assignee
Kamyr Inc
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 Kamyr Inc filed Critical Kamyr Inc
Publication of NO922526D0 publication Critical patent/NO922526D0/no
Publication of NO922526L publication Critical patent/NO922526L/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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
NO92922526A 1991-06-28 1992-06-26 Fremgangsmaate for bleking av cellulosemasse NO922526L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US72178091A 1991-06-28 1991-06-28

Publications (2)

Publication Number Publication Date
NO922526D0 true NO922526D0 (no) 1992-06-26
NO922526L NO922526L (no) 1992-12-29

Family

ID=24899279

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92922526A NO922526L (no) 1991-06-28 1992-06-26 Fremgangsmaate for bleking av cellulosemasse

Country Status (7)

Country Link
EP (1) EP0520140A1 (no)
AU (1) AU1282692A (no)
BR (1) BR9202472A (no)
FI (1) FI922945A (no)
MX (1) MX9203191A (no)
NO (1) NO922526L (no)
ZA (1) ZA921843B (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5520783A (en) * 1990-10-26 1996-05-28 Union Camp Patent Holding, Inc. Apparatus for bleaching high consistency pulp with ozone
JP3121917B2 (ja) * 1992-07-08 2001-01-09 住友重機械工業株式会社 オゾンによるパルプ漂白方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA966604A (en) * 1970-12-21 1975-04-29 Scott Paper Company Kraft pulp bleaching and recovery process
CA1112813A (en) * 1978-04-06 1981-11-24 Arthur W. Kempf Method for extracting ozone-treated fibrous materials
CA1178756A (en) * 1981-06-29 1984-12-04 Shyam S. Bhattacharjee Alkaline extraction initiated ozone bleaching of kraft pulp

Also Published As

Publication number Publication date
BR9202472A (pt) 1993-02-09
ZA921843B (en) 1992-12-30
EP0520140A1 (en) 1992-12-30
MX9203191A (es) 1992-12-01
NO922526L (no) 1992-12-29
FI922945A0 (fi) 1992-06-25
FI922945A (fi) 1992-12-29
AU1282692A (en) 1993-01-07

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