FI96784B - Menetelmä kemiallisten selluloosamassojen valkaisemiseksi valkaistujen absorboivien massojen valmistamiseksi - Google Patents

Menetelmä kemiallisten selluloosamassojen valkaisemiseksi valkaistujen absorboivien massojen valmistamiseksi

Info

Publication number
FI96784B
FI96784B FI906076A FI906076A FI96784B FI 96784 B FI96784 B FI 96784B FI 906076 A FI906076 A FI 906076A FI 906076 A FI906076 A FI 906076A FI 96784 B FI96784 B FI 96784B
Authority
FI
Finland
Prior art keywords
pulps
bleaching chemical
absorbent
chemical cellulosic
produce bleached
Prior art date
Application number
FI906076A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI906076A (fi
FI906076A0 (fi
Inventor
Alain Siohan
Jean-Claude Doignie
Jean Claude Pommier
Original Assignee
Du Pin Cellulose
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(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Du Pin Cellulose filed Critical Du Pin Cellulose
Publication of FI906076A0 publication Critical patent/FI906076A0/fi
Publication of FI906076A publication Critical patent/FI906076A/fi
Application granted granted Critical
Publication of FI96784B publication Critical patent/FI96784B/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 valkaistujen absorboivien massojen valmistamiseksi FI96784B (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 (3)

Publication Number Publication Date
FI906076A0 FI906076A0 (fi) 1990-12-10
FI906076A FI906076A (fi) 1991-06-12
FI96784B true FI96784B (fi) 1996-05-15

Family

ID=9388342

Family Applications (1)

Application Number Title Priority Date Filing Date
FI906076A FI96784B (fi) 1989-12-11 1990-12-10 Menetelmä kemiallisten selluloosamassojen valkaisemiseksi valkaistujen absorboivien massojen valmistamiseksi

Country Status (8)

Country Link
EP (1) EP0433138B1 (no)
AT (1) ATE110129T1 (no)
DE (1) DE69011636T2 (no)
DK (1) DK0433138T3 (no)
ES (1) ES2062463T3 (no)
FI (1) FI96784B (no)
FR (1) FR2655668B1 (no)
NO (1) NO176809C (no)

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
SE500616C2 (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.
FI944348A (fi) * 1994-09-19 1996-03-20 Ahlstroem Oy Menetelmä kraft-massan valkaisemiseksi
SE502135C2 (sv) * 1994-08-16 1995-08-28 Kvaerner Pulping Tech Bleksekvens för kemisk massa innefattande ett sulfonerande bleksteg
US6736934B1 (en) 1995-02-17 2004-05-18 Andritz Oy Method of pretreating pulp in an acid tower prior to bleaching with peroxide
FI105701B (fi) * 1995-10-20 2000-09-29 Ahlstrom Machinery Oy Menetelmä ja laitteisto massan käsittelemiseksi
CN1203643A (zh) * 1995-12-07 1998-12-30 贝洛特工艺技术公司 中等稠度纸浆的氧化去木质作用
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
US20230212821A1 (en) * 2020-06-16 2023-07-06 Kemira Oyj 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
EP0433138A1 (fr) 1991-06-19
NO905333L (no) 1991-06-12
FR2655668B1 (fr) 1995-06-09
DE69011636T2 (de) 1995-01-26
EP0433138B1 (fr) 1994-08-17
NO176809C (no) 1995-05-31
ATE110129T1 (de) 1994-09-15
FI906076A (fi) 1991-06-12
DE69011636D1 (de) 1994-09-22
FI906076A0 (fi) 1990-12-10
NO176809B (no) 1995-02-20
FR2655668A1 (fr) 1991-06-14
DK0433138T3 (da) 1994-12-05
ES2062463T3 (es) 1994-12-16
NO905333D0 (no) 1990-12-10

Similar Documents

Publication Publication Date Title
DE3468454D1 (en) Process for the treatment of cellulosic materials with oxidising agents
ES2096441T3 (es) Procedimiento para deslignificar pasta que contiene lignocelulosa.
IT1206852B (it) Procedimento per la tintura di fibre cheratiniche con impiego di 5 6diidrossiindolo e perossido di idrogeno preceduto o seguito da un trattamento con ioduro e corredo per la attuazione del procedimento
SE8100373L (sv) Forfarande vid ozonblekning av pappersmassa
NZ235679A (en) Bleaching lignocellulosic pulp using (a) treatment with xylanase and (b) one or more chemical bleaching stages
ATE48290T1 (de) Verfahren zur delignifizierung und bleiche von zellstoffen.
FI96784B (fi) Menetelmä kemiallisten selluloosamassojen valkaisemiseksi valkaistujen absorboivien massojen valmistamiseksi
NO169023C (no) Fremgangsmaate for bleking og delignifisering av celluloseholdige produkter
PT89361A (pt) Processo para o branqueamento e esterilizacao de artigos de cortica e artigos de cortica branqueados pelo referido processo
ATE151824T1 (de) Aufschlussverfahren
SE8503597L (sv) Forbettrad delignifiering av massa
SE9202592L (sv) Foerfarande foer massablekning
SE9203585D0 (sv) Foerfarande foer delignifiering av lignocellulosahaltig massa
SE8800152D0 (sv) Forfarande for forblekning av kemisk cellulosamassa
CS692890A3 (en) Treatment of textiles containing cellulose fibers

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