FI96784C - Menetelmä kemiallisten selluloosamassojen valkaisemiseksi valkaistujenabsorboivien massojen valmistamiseksi - Google Patents

Menetelmä kemiallisten selluloosamassojen valkaisemiseksi valkaistujenabsorboivien massojen valmistamiseksi

Info

Publication number
FI96784C
FI96784C FI906076A FI906076A FI96784C FI 96784 C FI96784 C FI 96784C FI 906076 A FI906076 A FI 906076A FI 906076 A FI906076 A FI 906076A FI 96784 C FI96784 C FI 96784C
Authority
FI
Finland
Prior art keywords
pulps
bleaching chemical
chemical cellulose
produce bleached
absorbent
Prior art date
Application number
FI906076A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI906076A0 (fi
FI96784B (fi
FI906076L (fi
Inventor
Jean-Claude Pommier
Alain Siohan
Jean-Claude Doignie
Original Assignee
La Cellulose Du Pin
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9388342&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI96784(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by La Cellulose Du Pin filed Critical La Cellulose Du Pin
Publication of FI906076A0 publication Critical patent/FI906076A0/fi
Publication of FI906076L publication Critical patent/FI906076L/fi
Publication of FI96784B publication Critical patent/FI96784B/fi
Application granted granted Critical
Publication of FI96784C publication Critical patent/FI96784C/fi

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Noodles (AREA)
FI906076A 1989-12-11 1990-12-10 Menetelmä kemiallisten selluloosamassojen valkaisemiseksi valkaistujenabsorboivien massojen valmistamiseksi FI96784C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8916322A FR2655668B1 (fr) 1989-12-11 1989-12-11 Procede de blanchiment de pates cellulosiques chimiques.

Publications (4)

Publication Number Publication Date
FI906076A0 FI906076A0 (fi) 1990-12-10
FI906076L FI906076L (fi) 1991-06-12
FI96784B FI96784B (fi) 1996-05-15
FI96784C true FI96784C (fi) 2006-08-10

Family

ID=9388342

Family Applications (1)

Application Number Title Priority Date Filing Date
FI906076A FI96784C (fi) 1989-12-11 1990-12-10 Menetelmä kemiallisten selluloosamassojen valkaisemiseksi valkaistujenabsorboivien massojen valmistamiseksi

Country Status (8)

Country Link
EP (1) EP0433138B1 (de)
AT (1) ATE110129T1 (de)
DE (1) DE69011636T2 (de)
DK (1) DK0433138T3 (de)
ES (1) ES2062463T3 (de)
FI (1) FI96784C (de)
FR (1) FR2655668B1 (de)
NO (1) NO176809C (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2695947B1 (fr) * 1992-09-18 1994-10-21 Saint Gobain Papier Bois Gie C Procédé de blanchiment de pâtes cellulosiques chimiques.
FI925159A0 (fi) * 1992-11-13 1992-11-13 Ahlstroem Oy Foerfarande foer blekning av massa
SE9301960L (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
BE1007700A3 (fr) * 1993-11-04 1995-10-03 Solvay Interox Procede pour le blanchiment d'une pate a papier chimique.
FI944348L (fi) * 1994-09-19 1996-03-20 Ahlstroem Oy Menetelmä kraft-massan valkaisemiseksi
SE9402726L (sv) * 1994-08-16 1995-08-28 Kvaerner Pulping Tech Bleksekvens för kemisk massa innefattande ett sulfonerande bleksteg
CA2211223C (en) * 1995-02-17 2002-04-30 Ahlstrom Machinery Oy Method of pretreating pulp to be bleached with peroxide
FI105701B (fi) * 1995-10-20 2000-09-29 Ahlstrom Machinery Oy Menetelmä ja laitteisto massan käsittelemiseksi
WO1997027358A2 (en) * 1995-12-07 1997-07-31 Beloit Technologies, Inc. Oxygen delignification of medium consistency pulp slurry
DE102012009593B4 (de) 2012-05-07 2019-03-07 Innovent E.V. Verfahren zum Abbau von Polysacchariden ausgewählt aus den Stoffgruppen der Glykosaminoglykane und deren Derivaten sowie der Alginate
CA3178055A1 (en) * 2020-06-16 2021-12-23 Leif Robertsen Method for pitch control during bleaching

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE448006B (sv) * 1981-09-21 1987-01-12 Mo Och Domsjoe Ab Forfarande for blekning av cellulosamassa innefattande ett aktiveringssteg med kveveoxider

Also Published As

Publication number Publication date
NO905333L (no) 1991-06-12
FI906076A0 (fi) 1990-12-10
DE69011636D1 (de) 1994-09-22
DK0433138T3 (da) 1994-12-05
EP0433138A1 (de) 1991-06-19
NO176809B (no) 1995-02-20
FI96784B (fi) 1996-05-15
NO176809C (no) 1995-05-31
ATE110129T1 (de) 1994-09-15
FR2655668A1 (fr) 1991-06-14
FI906076L (fi) 1991-06-12
ES2062463T3 (es) 1994-12-16
EP0433138B1 (de) 1994-08-17
NO905333D0 (no) 1990-12-10
FR2655668B1 (fr) 1995-06-09
DE69011636T2 (de) 1995-01-26

Similar Documents

Publication Publication Date Title
DE59005677D1 (de) Verfahren zum chlorfreien Bleichen von Zellstoffen.
FI890700L (fi) Menetelmä selluloosamassan valkaisemiseksi
FI942969L (fi) Menetelmä kemiallisen massan delignifioimiseksi
FI962477A7 (fi) Menetelmä valkaistun selluloosamassan valmistamiseksi
FI920609A7 (fi) Massan happivalkaisuun liittyvä parannus
FI906076L (fi) Menetelmä kemiallisten selluloosamassojen valkaisemiseksi valkaistujen absorboivien massojen valmistamiseksi
FI906400L (fi) Massan valkaisutapa
FI942968A0 (fi) Menetelmä kemiallisen massan delignifioimiseksi
NO177606C (no) Fremgangsmåte for hydrogenperoksydbleking av papirmasse
FI924169A7 (fi) Menetelmä sellun valkaisemiseksi entsymaattisesti
FI944348L (fi) Menetelmä kraft-massan valkaisemiseksi
FI942970A7 (fi) Menetelmä kemiallisen massan delignifioimiseksi
FI911963A7 (fi) Menetelmä massan valkaisemiseksi
FI931710A7 (fi) Menetelmä siistatun massan valkaisemiseksi
FI904456A7 (fi) Menetelmä sellun valkaisemiseksi
FI905954A7 (fi) Menetelmä selluloosamassan valkaisemiseksi
DK0419385T3 (da) Fremgangsmåde til fremstilling af bleget vegetabilsk pulp
FI915070A7 (fi) Paperimassan valkaisuliuos
DK0402280T3 (da) Fremgangsmåde til fremstilling af bleget vegetabilsk pulp
FI905456A7 (fi) Menetelmä selluloosamassan valkaisemiseksi
FI922025A7 (fi) Selluloosamassan valmistusmenetelmä
FI906401L (fi) Massan valkaisutapa
FI884881A7 (fi) Massan valkaisumenetelmä
FI964715A7 (fi) Menetelmä selluloosamassan valkaisemiseksi
FI974284L (fi) Selluloosamassan valkaisumenetelmä

Legal Events

Date Code Title Description
BB Publication of examined application
RF Appeal filed

Owner name: LA CELLULOSE DU PIN

FCK Appeal rejected

Free format text: BY BOARD OF APPEAL

RF Appeal filed
RFK Appeal accepted

Free format text: PATENT IN FORCE

FG Patent granted

Ref document number: 96784

Country of ref document: FI

Effective date: 20060810