CA2150810A1 - Procede servant a blanchir la pate - Google Patents

Procede servant a blanchir la pate

Info

Publication number
CA2150810A1
CA2150810A1 CA 2150810 CA2150810A CA2150810A1 CA 2150810 A1 CA2150810 A1 CA 2150810A1 CA 2150810 CA2150810 CA 2150810 CA 2150810 A CA2150810 A CA 2150810A CA 2150810 A1 CA2150810 A1 CA 2150810A1
Authority
CA
Canada
Prior art keywords
pulp
ozone
oxygen
xylanase
peroxide
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.)
Abandoned
Application number
CA 2150810
Other languages
English (en)
Inventor
Karl-Erik L. Eriksson
Jan L. Yang
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.)
University of Georgia Research Foundation Inc UGARF
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2150810A1 publication Critical patent/CA2150810A1/fr
Abandoned 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
    • 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
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Paper (AREA)
CA 2150810 1993-03-12 1994-03-14 Procede servant a blanchir la pate Abandoned CA2150810A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3079093A 1993-03-12 1993-03-12
US08/030,790 1993-03-12

Publications (1)

Publication Number Publication Date
CA2150810A1 true CA2150810A1 (fr) 1994-09-15

Family

ID=21856056

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2150810 Abandoned CA2150810A1 (fr) 1993-03-12 1994-03-14 Procede servant a blanchir la pate

Country Status (2)

Country Link
CA (1) CA2150810A1 (fr)
WO (1) WO1994020672A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE502706E (sv) 1994-04-05 1999-06-18 Mo Och Domsjoe Ab Framställnng av blekt cellulosamassa genom blekning med klordioxid och behandling av komplexbildare i samma steg
US6824646B2 (en) 1999-03-23 2004-11-30 Oji Paper Co., Ltd. Process for oxygen bleaching and enzyme treating lignocellulosic pulp with liquid treatment and recovery
CA2301371C (fr) * 1999-03-23 2009-09-01 Oji Paper Co., Ltd. Procede de blanchiment de pate a papier lignocellulosique
US6942754B2 (en) 1999-03-23 2005-09-13 Oji Paper Co., Ltd. Process for producing xylooligosaccharide from lignocellulose pulp
AU2002351904A1 (en) * 2001-12-03 2003-06-17 Iogen Bio-Products Corporation Bleaching stage using xylanase with hydrogen peroxide, peracids, or a combination thereof
EP3399100A4 (fr) * 2015-12-29 2019-08-14 Fibria Celulose S.A. Procédé de production de pulpe de cellulose, pulpe de cellulose et son utilisation, papier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
US4619733A (en) * 1983-11-30 1986-10-28 Kooi Boon Lam Pollution free pulping process using recycled wash effluent from multiple bleach stages to remove black liquor and recovering sodium hydroxide from the black liquor
US4732650A (en) * 1986-09-15 1988-03-22 The Dow Chemical Company Bleaching of cellulosic pulps using hydrogen peroxide
US5179021A (en) * 1989-02-10 1993-01-12 Gil Inc. (Now Ici Canada Inc.) Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment

Also Published As

Publication number Publication date
WO1994020672A1 (fr) 1994-09-15

Similar Documents

Publication Publication Date Title
US5164044A (en) Environmentally improved process for bleaching lignocellulosic materials with ozone
AU638017B2 (en) Environmentally improved process for bleaching lignocellulosic materials
US5164043A (en) Environmentally improved process for bleaching lignocellulosic materials with ozone
US5211811A (en) Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
US8080129B2 (en) Environmentally benign TCF bleaching sequences for AS/AQ wheat straw pulp
US5188708A (en) Process for high consistency oxygen delignification followed by ozone relignification
FI105213B (fi) Menetelmä valkaistun massan valmistamiseksi lignoselluloosamateriaalista
EP0705362A1 (fr) Procede ameliore de delignification d'un materiau lignocellulosique par l'ozone/peracide
US5620563A (en) Process for delignification and bleaching of chemical wood pulps with hydrogen peroxide and a dicyandiamide activator
WO1992012288A1 (fr) Addition de substance alcaline en deux etapes pour une delignification a base d'oxygene d'une pate a consistance elevee
CA2670697C (fr) Procedes de blanchiement de pates a papier chimiques par traitement final a l'ozone a haute temperature
CA2150810A1 (fr) Procede servant a blanchir la pate
US5441603A (en) Method for chelation of pulp prior to ozone delignification
Danielewicz The effect of treating pine regular kraft pulp with peracetic acid before O2-delignification on the consumption of ClO2 in D0ED1 bleaching
WO1996002697A1 (fr) Blanchiment ameliore d'une pate lignocellulosique tres concentree
EP0652321B1 (fr) Blanchiment de pâte à papier chimique
CA2270967A1 (fr) Blanchiment de pate a papier cellulosique a l'aide d'ozone et de peracide
AU647485B2 (en) Pulp alkali addition process for high consistency oxygen delignification
CA2144433A1 (fr) Blanchiment ameliore pour pate lignocellulosique possedant une forte consistance
Valchev Chemical pulp bleaching
JP3697335B2 (ja) 化学パルプの酸性漂白白水による処理方法
AU5168690A (en) Bleaching of lignocellulosic material with dioxiranes
CA2073862C (fr) Blanchiment de materiau lignocellulosique avec des dioxiranes
CA2258443A1 (fr) Procede de blanchiment de pate comprenant une etape finale d'avivage a l'aide de sel d'acide peroxymonosulfurique
Hart Pulp bleaching

Legal Events

Date Code Title Description
FZDE Dead