JPS57121689A - Bleaching of cellulose pulp - Google Patents

Bleaching of cellulose pulp

Info

Publication number
JPS57121689A
JPS57121689A JP56202386A JP20238681A JPS57121689A JP S57121689 A JPS57121689 A JP S57121689A JP 56202386 A JP56202386 A JP 56202386A JP 20238681 A JP20238681 A JP 20238681A JP S57121689 A JPS57121689 A JP S57121689A
Authority
JP
Japan
Prior art keywords
bleaching
cellulose pulp
pulp
cellulose
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
JP56202386A
Other languages
Japanese (ja)
Other versions
JPS6350466B2 (en
Inventor
Orofu Samueruson Hansu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mo och Domsjo AB
Original Assignee
Mo och Domsjo AB
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 Mo och Domsjo AB filed Critical Mo och Domsjo AB
Publication of JPS57121689A publication Critical patent/JPS57121689A/en
Publication of JPS6350466B2 publication Critical patent/JPS6350466B2/ja
Granted legal-status Critical Current

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
JP56202386A 1980-12-17 1981-12-14 Bleaching of cellulose pulp Granted JPS57121689A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8008874A SE445122B (en) 1980-12-17 1980-12-17 PROCEDURE FOR DELIGNIFICATION OF CELLULOSAMASSA IN THE PRESENTATION OF NITROGEN Dioxide

Publications (2)

Publication Number Publication Date
JPS57121689A true JPS57121689A (en) 1982-07-29
JPS6350466B2 JPS6350466B2 (en) 1988-10-07

Family

ID=20342493

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56202386A Granted JPS57121689A (en) 1980-12-17 1981-12-14 Bleaching of cellulose pulp

Country Status (8)

Country Link
JP (1) JPS57121689A (en)
AU (1) AU548046B2 (en)
CA (1) CA1159203A (en)
FI (1) FI73017C (en)
FR (1) FR2496138A1 (en)
NO (1) NO158953C (en)
NZ (1) NZ198925A (en)
SE (1) SE445122B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE434283B (en) * 1982-12-01 1984-07-16 Mo Och Domsjoe Ab PROCEDURE FOR DELIGNIFICATION OF CELLULOSAMASSA WITH NITROGEN OXIDES AND Oxygen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1070909A (en) * 1976-05-04 1980-02-05 Canadian Industries Limited Nitrogen dioxide-oxygen delignification

Also Published As

Publication number Publication date
NZ198925A (en) 1984-09-28
FR2496138B1 (en) 1983-12-02
FI73017C (en) 1987-08-10
NO814309L (en) 1982-06-18
CA1159203A (en) 1983-12-27
FI73017B (en) 1987-04-30
NO158953B (en) 1988-08-08
AU548046B2 (en) 1985-11-21
JPS6350466B2 (en) 1988-10-07
AU7773881A (en) 1982-06-24
SE8008874L (en) 1982-06-18
FI813954L (en) 1982-06-18
NO158953C (en) 1988-11-16
SE445122B (en) 1986-06-02
FR2496138A1 (en) 1982-06-18

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