ES2062463T3 - Procedimiento de blanqueo de pastas celulosicas quimicas. - Google Patents

Procedimiento de blanqueo de pastas celulosicas quimicas.

Info

Publication number
ES2062463T3
ES2062463T3 ES90403462T ES90403462T ES2062463T3 ES 2062463 T3 ES2062463 T3 ES 2062463T3 ES 90403462 T ES90403462 T ES 90403462T ES 90403462 T ES90403462 T ES 90403462T ES 2062463 T3 ES2062463 T3 ES 2062463T3
Authority
ES
Spain
Prior art keywords
pasta
bleaching procedure
bleaching
pulps
chemical cellulosic
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.)
Expired - Lifetime
Application number
ES90403462T
Other languages
English (en)
Spanish (es)
Inventor
Alain M Siohan
Jean-Claude M Doignie
Jean-Claude M Pommier
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.)
Cellulose du Pin SA
Original Assignee
Cellulose du Pin SA
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=ES2062463(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Cellulose du Pin SA filed Critical Cellulose du Pin SA
Application granted granted Critical
Publication of ES2062463T3 publication Critical patent/ES2062463T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21C9/1057—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)
ES90403462T 1989-12-11 1990-12-06 Procedimiento de blanqueo de pastas celulosicas quimicas. Expired - Lifetime ES2062463T3 (es)

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 (1)

Publication Number Publication Date
ES2062463T3 true ES2062463T3 (es) 1994-12-16

Family

ID=9388342

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90403462T Expired - Lifetime ES2062463T3 (es) 1989-12-11 1990-12-06 Procedimiento de blanqueo de pastas celulosicas quimicas.

Country Status (8)

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

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.
FI944348A (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
EP0858526A1 (en) * 1995-02-17 1998-08-19 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
DE69608910T2 (de) * 1995-12-07 2001-01-18 Beloit Technologies, Inc. Delignifizierung eines papierzellstoffs mittlerer konsistenz mittels sauerstoff
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
CN115702272B (zh) * 2020-06-16 2024-08-16 凯米拉公司 用于在漂白期间控制树脂的方法

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
DK0433138T3 (da) 1994-12-05
NO176809C (no) 1995-05-31
FI96784B (fi) 1996-05-15
DE69011636T2 (de) 1995-01-26
FI906076A0 (fi) 1990-12-10
EP0433138A1 (fr) 1991-06-19
FI906076A (fi) 1991-06-12
EP0433138B1 (fr) 1994-08-17
NO176809B (no) 1995-02-20
ATE110129T1 (de) 1994-09-15
FR2655668B1 (fr) 1995-06-09
DE69011636D1 (de) 1994-09-22
NO905333L (no) 1991-06-12
FR2655668A1 (fr) 1991-06-14
NO905333D0 (no) 1990-12-10

Similar Documents

Publication Publication Date Title
DE3061330D1 (en) Process for the delignification and bleaching of chemical and semichemical cellulose pulps
DE3468454D1 (en) Process for the treatment of cellulosic materials with oxidising agents
ES2096441T3 (es) Procedimiento para deslignificar pasta que contiene lignocelulosa.
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
ES2062463T3 (es) Procedimiento de blanqueo de pastas celulosicas quimicas.
ZA876920B (en) Process for the bleaching of cellulosic pulps using hydrogen peroxide
ATE48290T1 (de) Verfahren zur delignifizierung und bleiche von zellstoffen.
NZ193456A (en) Peroxide delignification of unbleached chemical wood pulp
NO169023C (no) Fremgangsmaate for bleking og delignifisering av celluloseholdige produkter
ES2086408T3 (es) Mejora en el blanqueo de una pasta.
AU7917582A (en) Washing cellulose pulps
AU603893B2 (en) Process for bleaching and sterilizing cork articles, and cork articles bleached using the said process
NO964609D0 (no) Fremgangsmåte for fremstilling av delignifisert og bleket kjemisk papirmasse
NO882815D0 (no) Fremgangsmaate for fremstilling av cellulosemasse, samt delignifisering, bleking, de-inking og vasking av cellulosefibre og anordning for utfoerelse av fremgangsmaaten.
ES2101830T3 (es) Proceso de reduccion a pasta en la fabricacion de papel.
PL287416A1 (en) Cellulosic pulp bleaching process using chlorine dioxide and chlorine
SE8503597L (sv) Forbettrad delignifiering av massa
SE8800152L (sv) Forfarande for forblekning av kemisk cellulosamassa

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 433138

Country of ref document: ES