FI980519A0 - Foerfarande foer behandling av massa - Google Patents

Foerfarande foer behandling av massa

Info

Publication number
FI980519A0
FI980519A0 FI980519A FI980519A FI980519A0 FI 980519 A0 FI980519 A0 FI 980519A0 FI 980519 A FI980519 A FI 980519A FI 980519 A FI980519 A FI 980519A FI 980519 A0 FI980519 A0 FI 980519A0
Authority
FI
Finland
Prior art keywords
massa
foerfarande foer
foer behandling
behandling
foerfarande
Prior art date
Application number
FI980519A
Other languages
English (en)
Other versions
FI980519A (fi
FI119383B (fi
Inventor
Sari Juutilainen
Aki Vilpponen
Tapani Vuorinen
Original Assignee
Ahlstrom Machinery Oy
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=8551173&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI980519(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Publication of FI980519A0 publication Critical patent/FI980519A0/fi
Priority to FI980519A priority Critical patent/FI119383B/fi
Application filed by Ahlstrom Machinery Oy filed Critical Ahlstrom Machinery Oy
Priority to ES99103920T priority patent/ES2263236T3/es
Priority to CA002264423A priority patent/CA2264423C/en
Priority to US09/262,912 priority patent/US20020056533A1/en
Priority to PT99103920T priority patent/PT940498E/pt
Priority to EP99103920A priority patent/EP0940498B1/en
Priority to DE69931295T priority patent/DE69931295D1/de
Publication of FI980519A publication Critical patent/FI980519A/fi
Publication of FI119383B publication Critical patent/FI119383B/fi
Application granted granted Critical

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1026Other features in bleaching processes
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/12Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI980519A 1998-03-06 1998-03-06 Menetelmä massan käsittelemiseksi FI119383B (fi)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FI980519A FI119383B (fi) 1998-03-06 1998-03-06 Menetelmä massan käsittelemiseksi
ES99103920T ES2263236T3 (es) 1998-03-06 1999-03-05 Proceso para el tratamiento de pasta papelera.
DE69931295T DE69931295D1 (de) 1998-03-06 1999-03-05 Verfahren zur Zellstoffbehandlung
CA002264423A CA2264423C (en) 1998-03-06 1999-03-05 Method for treatment of pulp
US09/262,912 US20020056533A1 (en) 1998-03-06 1999-03-05 Method of treating chemical cellulose pulp
PT99103920T PT940498E (pt) 1998-03-06 1999-03-05 Metodo para tratamento de pasta de papel
EP99103920A EP0940498B1 (en) 1998-03-06 1999-03-05 Method for treatment of pulp

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI980519A FI119383B (fi) 1998-03-06 1998-03-06 Menetelmä massan käsittelemiseksi
FI980519 1998-03-06

Publications (3)

Publication Number Publication Date
FI980519A0 true FI980519A0 (fi) 1998-03-06
FI980519A FI980519A (fi) 1999-09-07
FI119383B FI119383B (fi) 2008-10-31

Family

ID=8551173

Family Applications (1)

Application Number Title Priority Date Filing Date
FI980519A FI119383B (fi) 1998-03-06 1998-03-06 Menetelmä massan käsittelemiseksi

Country Status (7)

Country Link
US (1) US20020056533A1 (fi)
EP (1) EP0940498B1 (fi)
CA (1) CA2264423C (fi)
DE (1) DE69931295D1 (fi)
ES (1) ES2263236T3 (fi)
FI (1) FI119383B (fi)
PT (1) PT940498E (fi)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE524896C2 (sv) * 2003-03-07 2004-10-19 Kvaerner Pulping Tech Blekning av cellulosamassa med klordioxid i två faser med uppvärmning mellan faserna
US20060201642A1 (en) * 2005-03-08 2006-09-14 Andritz Inc. Methods of treating chemical cellulose pulp
US8920603B2 (en) 2006-10-11 2014-12-30 Akzo Nobel N.V. Bleaching of pulp
BRPI0719893A2 (pt) * 2006-10-11 2014-05-06 Akzo Nobel Nv Branqueamento de polpa

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5268075A (en) * 1989-10-19 1993-12-07 North Carolina State University High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process
FI102301B1 (fi) * 1994-10-13 1998-11-13 Ahlstrom Machinery Oy Menetelmä selluloosamassojen käsittelemiseksi
US6776876B1 (en) * 1994-10-13 2004-08-17 Andritz Oy Method of treating cellulosic pulp to remove hexenuronic acid
FI105701B (fi) * 1995-10-20 2000-09-29 Ahlstrom Machinery Oy Menetelmä ja laitteisto massan käsittelemiseksi

Also Published As

Publication number Publication date
CA2264423A1 (en) 1999-09-06
EP0940498B1 (en) 2006-05-17
EP0940498A1 (en) 1999-09-08
US20020056533A1 (en) 2002-05-16
ES2263236T3 (es) 2006-12-01
DE69931295D1 (de) 2006-06-22
FI980519A (fi) 1999-09-07
CA2264423C (en) 2003-01-28
FI119383B (fi) 2008-10-31
PT940498E (pt) 2006-09-29

Similar Documents

Publication Publication Date Title
FI980732A0 (fi) Foerfarande foer koppling av dataoeverfoeringsstroemmar
FI980343A0 (fi) Foerfarande foer kontrollering av effekt
FI980783A0 (fi) Foerfarande foer utformning av en signaleringsfoerbindelse
DE69808145T2 (de) Tintenbehälternachfüllsystem
DE69812868T2 (de) Flanschreformierungsanlage
FI980465A0 (fi) Foerfarande foer installering av tjaenster
DE69921571D1 (de) Massagegerät
FI980022A0 (fi) Telefonservice
FI980327A0 (fi) Foerfarande foer foermedling av telefonsamtal
ATE262513T1 (de) Benzoylpyridazine
FI980150A0 (fi) Foerfarande foer oeverfoering av bildinformation
FI980735A0 (fi) Foerfarande foer hantering av foerdroejning
FI980222A0 (fi) Stycke av isoleringsaemne med en genomgaoende primaerstroemledning
DE29903817U1 (de) Radiator-Konvektor-Einheit
DE29807618U1 (de) Massagegerät
FI980044A0 (fi) Foerfarande foer behandling av en fiberbana
FI980519A0 (fi) Foerfarande foer behandling av massa
DE59910491D1 (de) Umlufttrockner
FI980095A0 (fi) Foerfarande foer byggande av fartyg
DE29810738U1 (de) Massagegerät
DE29807094U1 (de) Massagegerät
FI980710A0 (fi) Foerfarande foer smaeltning av stenmaterial foer mineralullsproduktion
FI980839A0 (fi) Framstaellning av laktid
FI980443A0 (fi) Anordning foer maetning av en roerlig pappers- eller kartongbanas egenskaper
FI980434A0 (fi) Foerfarande foer faergning av massa

Legal Events

Date Code Title Description
FG Patent granted

Ref document number: 119383

Country of ref document: FI