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
chemical
bleaching procedure
procedure
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 (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.
FI944348A7 (fi) * 1994-09-19 1996-03-20 Andritz Oy Menetelmä kraft-massan valkaisemiseksi
SE502135C2 (sv) * 1994-08-16 1995-08-28 Kvaerner Pulping Tech Bleksekvens för kemisk massa innefattande ett sulfonerande bleksteg
EP0858526A1 (de) * 1995-02-17 1998-08-19 Ahlstrom Machinery Oy Verfahren zur vorbehandlung eines für peroxidbleichung bestimmten zellstoffes
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
EP4165243B1 (de) * 2020-06-16 2026-02-18 Kemira OYJ Verfahren zur pechkontrolle während des bleichens

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
FI906076L (fi) 1991-06-12
FI96784C (fi) 2006-08-10
DE69011636D1 (de) 1994-09-22
FI96784B (fi) 1996-05-15
EP0433138A1 (de) 1991-06-19
FR2655668B1 (fr) 1995-06-09
NO905333L (no) 1991-06-12
EP0433138B1 (de) 1994-08-17
ATE110129T1 (de) 1994-09-15
NO905333D0 (no) 1990-12-10
NO176809C (no) 1995-05-31
DK0433138T3 (da) 1994-12-05
FR2655668A1 (fr) 1991-06-14
FI906076A0 (fi) 1990-12-10
NO176809B (no) 1995-02-20
DE69011636T2 (de) 1995-01-26

Similar Documents

Publication Publication Date Title
ES500916A0 (es) Un procedimiento para la preparacion y estabilizacion de una composicion blanqueante acuosa que contiene peroxido de hi-drogeno.
ES2042465T1 (es) Procedimiento y producto para decolorar el cabello bajo efecto de la luz.
ES552819A0 (es) Procedimiento para la obtencion de una composicion de agente de lavado o blanqueo de peroxiacido y estable
IT8319164A0 (it) Derivati della 5-metiltiopirimidina, processo diloro preparazione e fungicidi contenenti gli stessi come ingredienti attivi.
IT1178249B (it) Agente attivo nel trattamento di tossicomania, in particolare da eroina, costituito da una composizione contenente ibogaina
ES2068403T3 (es) Productos herbicidas.
IT8019099A0 (it) Procedimento di sterilizzazione mediante l'uso di una soluzione di acqua ossigenata irradiata con radiazione ultravioletta
NO176613C (no) Blekepreparat som ved opplösning i vandig miljö gir en blanding av hydrofobe og kationiske peroksysyrer
ES482778A0 (es) Un procedimiento para la preparacion de una composicion u- til en el tratamiento de la epidermis.
NO158741C (no) Analogifremgangsmaate for fremstilling av terapeutisk aktive kvartaere dibenzotiepin-n-alkyl-norskopinetere.
FI790591A7 (fi) Kirurgiska suturer som haerletts fraon avskurna polyeter-blockkopolymerer
ES501473A0 (es) Un procedimiento para preparar una composicion de blanqueo con cloro,estable al almacenamiento
NO895234L (no) Hydrogenperoksyd-blekeprosess.
ES2032356A1 (es) Cebo envenenado para la erradicacion de insectos nocivos.
ES519218A0 (es) Valvula termoelectrica de una o mas vias.
AR240381A1 (es) Composicones protectoras de las plantas basadas en emulsiones acuosas que contienen una o mas substancias activas, y procedimiento para su preparacion.
ES2045074T3 (es) Empleo de compuestos que contengan bisguanidos contra las huevas del oxiuro vermicular.
ES2086408T3 (es) Mejora en el blanqueo de una pasta.
FI890853L (fi) Farmaceutiskt preparat som tryggar transdermal absorption av den aktiva bestaondsdelen och foerfarande foer framstaellning daerav.
ES2171926T3 (es) Procedimiento de blanqueo de pasta papelera.
ES2117703T3 (es) Preparacion de factor viii.
ES2111032T5 (es) Carboxialquil polisacaridos y procedimiento de fabricacion de los mismos.
PT89361A (pt) Processo para o branqueamento e esterilizacao de artigos de cortica e artigos de cortica branqueados pelo referido processo
ATE114293T1 (de) Stabilisierung von wasserstoffperoxydlösungen.
ES2015838T3 (es) Procedimiento de blanqueado de pastas destintadas.

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 433138

Country of ref document: ES