BR7700715A - Processo para alvejar,com peroxido,polpa de celulose - Google Patents

Processo para alvejar,com peroxido,polpa de celulose

Info

Publication number
BR7700715A
BR7700715A BR7700715A BR7700715A BR7700715A BR 7700715 A BR7700715 A BR 7700715A BR 7700715 A BR7700715 A BR 7700715A BR 7700715 A BR7700715 A BR 7700715A BR 7700715 A BR7700715 A BR 7700715A
Authority
BR
Brazil
Prior art keywords
peroxide
target
processing
cellulose pulp
pulp
Prior art date
Application number
BR7700715A
Other languages
English (en)
Portuguese (pt)
Inventor
G Annergren
P Lindblad
T Hagglund
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 BR7700715A publication Critical patent/BR7700715A/pt

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)
BR7700715A 1976-02-05 1977-02-04 Processo para alvejar,com peroxido,polpa de celulose BR7700715A (pt)

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
BR7700715A true BR7700715A (pt) 1977-10-11

Family

ID=20326919

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7700715A BR7700715A (pt) 1976-02-05 1977-02-04 Processo para alvejar,com peroxido,polpa de celulose

Country Status (9)

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

Families Citing this family (5)

* 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
US5002635A (en) * 1985-09-20 1991-03-26 Scott Paper Company Method for producing pulp using pre-treatment with stabilizers and refining
US4849053A (en) * 1985-09-20 1989-07-18 Scott Paper Company Method for producing pulp using pre-treatment with stabilizers and defibration
DE69004492T3 (de) * 1989-06-06 2001-11-15 Eka Nobel Ab, Bohus Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen.
DE4035813A1 (de) * 1990-11-10 1992-05-14 Akzo Gmbh Sauerstoffbleichung

Also Published As

Publication number Publication date
FI770150A (un) 1977-08-06
NZ183120A (en) 1978-09-20
NO770384L (no) 1977-08-08
SE7601285L (sv) 1977-08-06
FR2340399A1 (fr) 1977-09-02
AU2157077A (en) 1978-08-03
SE407091B (sv) 1979-03-12
AT357864B (de) 1980-08-11
DE2704758A1 (de) 1977-08-11
DE2704758B2 (de) 1978-05-11
JPS5296204A (en) 1977-08-12
ATA50877A (de) 1979-12-15

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