FI960972A0 - Menetelmä lignoselluloosasulpun valkaisemiseksi - Google Patents

Menetelmä lignoselluloosasulpun valkaisemiseksi

Info

Publication number
FI960972A0
FI960972A0 FI960972A FI960972A FI960972A0 FI 960972 A0 FI960972 A0 FI 960972A0 FI 960972 A FI960972 A FI 960972A FI 960972 A FI960972 A FI 960972A FI 960972 A0 FI960972 A0 FI 960972A0
Authority
FI
Finland
Prior art keywords
lignocellulosic
bleaching
coating
lignocellulosic coating
Prior art date
Application number
FI960972A
Other languages
English (en)
Swedish (sv)
Other versions
FI960972A (fi
Inventor
Michael A Pikulin
Thomas P Gandek
James C Joseph
Original Assignee
Union Camp Patent Holding
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
Application filed by Union Camp Patent Holding filed Critical Union Camp Patent Holding
Publication of FI960972A0 publication Critical patent/FI960972A0/fi
Publication of FI960972A publication Critical patent/FI960972A/fi

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
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0042Fractionating or concentration of spent liquors by special methods
    • 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
    • D21C9/1005Pretreatment of the pulp, e.g. degassing the pulp
    • 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
    • D21C9/147Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI960972A 1993-09-02 1996-03-01 Menetelmä lignoselluloosasulpun valkaisemiseksi FI960972A (fi)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11604093A 1993-09-02 1993-09-02
US26809994A 1994-06-29 1994-06-29
PCT/US1994/009951 WO1995006772A1 (en) 1993-09-02 1994-09-02 Improved method for bleaching lignocellulosic pulp

Publications (2)

Publication Number Publication Date
FI960972A0 true FI960972A0 (fi) 1996-03-01
FI960972A FI960972A (fi) 1996-04-29

Family

ID=26813841

Family Applications (1)

Application Number Title Priority Date Filing Date
FI960972A FI960972A (fi) 1993-09-02 1996-03-01 Menetelmä lignoselluloosasulpun valkaisemiseksi

Country Status (7)

Country Link
EP (1) EP0720676A4 (fi)
JP (1) JPH09502229A (fi)
AU (1) AU7720094A (fi)
BR (1) BR9407409A (fi)
CA (1) CA2170398A1 (fi)
FI (1) FI960972A (fi)
WO (1) WO1995006772A1 (fi)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4641629B2 (ja) * 2001-01-26 2011-03-02 日本製紙株式会社 セルロース質繊維材料パルプの漂白方法
FI20022068A (fi) * 2002-11-20 2004-05-21 Metso Paper Inc Menetelmä ja järjestelmä mekaanisen massan valmistuksessa
FI128900B (fi) * 2012-03-12 2021-02-26 Upm Kymmene Corp Menetelmä nestevirtauksien käsittelemiseksi sellutehtaassa ja pienen kloridipitoisuuden omaavien prosessivesien käyttöä sellutehtaassa
FI126563B (fi) * 2012-03-12 2017-02-15 Upm Kymmene Corp Menetelmä ja järjestelmä nestevirtauksien käsittelemiseksi sellutehtaassa
CA2884748C (en) * 2012-09-27 2017-01-10 Andritz Inc. Chemical treatment of lignocellulosic fiber bundle material, and methods and systems relating thereto
SE2230370A1 (en) * 2022-11-15 2024-05-16 Valmet Oy Method for bleaching cellulose pulp formed from recycled textile material

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO142091C (no) * 1977-10-17 1980-06-25 Myrens Verksted As Fremgangsmaate ved ozonbehandling av raffinoermekanisk og termomekanisk masse.
BR8605554A (pt) * 1985-02-14 1987-04-22 Edward Francis Elton Processo para producao de papel e aparelho para a deslignificacao alcalina de materiais fibrosos ligno-celulosicos
US5085734A (en) * 1989-02-15 1992-02-04 Union Camp Patent Holding, Inc. Methods of high consistency oxygen delignification using a low consistency alkali pretreatment
BR9007533A (pt) * 1990-05-17 1992-04-28 Union Camp Corp Processo para fabricacao de polpa alvejada e para deslignificar e alvejar um material lignoscelulosico
SE469842C (sv) * 1992-01-21 1996-01-15 Sunds Defibrator Ind Ab Blekning av kemisk massa med peroxid

Also Published As

Publication number Publication date
AU7720094A (en) 1995-03-22
JPH09502229A (ja) 1997-03-04
FI960972A (fi) 1996-04-29
EP0720676A4 (en) 1998-03-04
BR9407409A (pt) 1996-11-12
EP0720676A1 (en) 1996-07-10
CA2170398A1 (en) 1995-03-09
WO1995006772A1 (en) 1995-03-09

Similar Documents

Publication Publication Date Title
FI944955A0 (fi) Menetelmä selluloosa-alustojen lujittamiseksi
NO975449D0 (no) Fremgangsmåte for overtrekking av et mæringsmiddel
FI960145A0 (fi) Menetelmä sellun valmistamiseksi
FI944443A0 (fi) Menetelmä kaasun syöttämiseksi nesteeseen
NO944015D0 (no) Fremgangsmåte for bleking av en kjemisk papirmasse
DE69329844D1 (de) Beschichtungsverfahren
DE69406974D1 (de) Beschichtungsverfahren
NO178612C (no) Fremgangsmåte ved maling av fibermateriale
DE69404603D1 (de) Beschichtungsverfahren
DE69417190D1 (de) Beschichtungsverfahren
FI960972A0 (fi) Menetelmä lignoselluloosasulpun valkaisemiseksi
FI953766A (fi) Menetelmä selluloosakuitujen ristiinliittämiseksi
FI956153A (fi) Menetelmä valkolipeän valmistamiseksi
FI921588A (fi) Menetelmä materiaalirainan päällystämiseksi
NO305443B1 (no) FremgangsmÕte til bleking av masse
FI955151A (fi) Menetelmä puumassan monivaiheista valkaisua varten
FI934056A0 (fi) Menetelmä massan valkaisemiseksi
DE69408925D1 (de) Beschichtungsverfahren
FI955805A (fi) Menetelmä valkolipeän valmistamiseksi
FI943388A0 (fi) Menetelmä paperimassan valkaisemiseksi
SE9303713D0 (sv) Förfarande för blekning av lignocellulosahaltiga fibrer
FI955854A (fi) Menetelmä lohkomaisen säiliön valmistamista varten
FI944144A0 (fi) Menetelmä paperimassan valkaisemiseksi
FI964863A (fi) Menetelmä kraft-massan valkaisemiseksi
SE9303820D0 (sv) Metod för blekning av lignocellulosahaltig massa