FR2340399A1 - Procede pour blanchir une pulpe de bois - Google Patents

Procede pour blanchir une pulpe de bois

Info

Publication number
FR2340399A1
FR2340399A1 FR7702850A FR7702850A FR2340399A1 FR 2340399 A1 FR2340399 A1 FR 2340399A1 FR 7702850 A FR7702850 A FR 7702850A FR 7702850 A FR7702850 A FR 7702850A FR 2340399 A1 FR2340399 A1 FR 2340399A1
Authority
FR
France
Prior art keywords
silicate
bleaching
pulp
addn
limited
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.)
Withdrawn
Application number
FR7702850A
Other languages
English (en)
French (fr)
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.)
SCA Development AB
Original Assignee
SCA Development 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 SCA Development AB filed Critical SCA Development AB
Publication of FR2340399A1 publication Critical patent/FR2340399A1/fr
Withdrawn legal-status Critical Current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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
FR7702850A 1976-02-05 1977-02-02 Procede pour blanchir une pulpe de bois Withdrawn FR2340399A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7601285A SE407091B (sv) 1976-02-05 1976-02-05 Sett att peroxidbleka genom raffinering framstelld cellulosamassa

Publications (1)

Publication Number Publication Date
FR2340399A1 true FR2340399A1 (fr) 1977-09-02

Family

ID=20326919

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7702850A Withdrawn FR2340399A1 (fr) 1976-02-05 1977-02-02 Procede pour blanchir une pulpe de bois

Country Status (9)

Country Link
JP (1) JPS5296204A (tr)
AT (1) AT357864B (tr)
BR (1) BR7700715A (tr)
DE (1) DE2704758B2 (tr)
FI (1) FI770150A (tr)
FR (1) FR2340399A1 (tr)
NO (1) NO770384L (tr)
NZ (1) NZ183120A (tr)
SE (1) SE407091B (tr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0485829A1 (de) * 1990-11-10 1992-05-20 Akzo Nobel N.V. Sauerstoffbleichung

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE452346C (sv) * 1982-12-17 1990-03-26 Sunds Defibrator Foerfarande foer peroxidblekning av lignocellulosahaltigt material i tvaa steg
US4849053A (en) * 1985-09-20 1989-07-18 Scott Paper Company Method for producing pulp using pre-treatment with stabilizers and defibration
US5002635A (en) * 1985-09-20 1991-03-26 Scott Paper Company Method for producing pulp using pre-treatment with stabilizers and refining
DE402335T1 (de) * 1989-06-06 1992-04-09 Eka Nobel Ab, Surte Verfahren zum bleichen von lignocellulose enthaltenden zellstoffen.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0485829A1 (de) * 1990-11-10 1992-05-20 Akzo Nobel N.V. Sauerstoffbleichung
US5322647A (en) * 1990-11-10 1994-06-21 Akzo N.V. Oxygen bleaching of cotton linters by disproportionation of hydrogen peroxide

Also Published As

Publication number Publication date
FI770150A (tr) 1977-08-06
SE7601285L (sv) 1977-08-06
BR7700715A (pt) 1977-10-11
SE407091B (sv) 1979-03-12
DE2704758B2 (de) 1978-05-11
DE2704758A1 (de) 1977-08-11
AT357864B (de) 1980-08-11
AU2157077A (en) 1978-08-03
JPS5296204A (en) 1977-08-12
NO770384L (no) 1977-08-08
ATA50877A (de) 1979-12-15
NZ183120A (en) 1978-09-20

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Legal Events

Date Code Title Description
ST Notification of lapse