CA2170553A1 - Methode de traitement des filtrats dans un procede de blanchiment de la pate cellullosique au peroxyde - Google Patents

Methode de traitement des filtrats dans un procede de blanchiment de la pate cellullosique au peroxyde

Info

Publication number
CA2170553A1
CA2170553A1 CA002170553A CA2170553A CA2170553A1 CA 2170553 A1 CA2170553 A1 CA 2170553A1 CA 002170553 A CA002170553 A CA 002170553A CA 2170553 A CA2170553 A CA 2170553A CA 2170553 A1 CA2170553 A1 CA 2170553A1
Authority
CA
Canada
Prior art keywords
gas
stage
ozone
pulp
filtrate
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
CA002170553A
Other languages
English (en)
Inventor
C. Bertil Stromberg
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.)
Kamyr Inc
Original Assignee
Kamyr Inc
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 Kamyr Inc filed Critical Kamyr Inc
Publication of CA2170553A1 publication Critical patent/CA2170553A1/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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
CA002170553A 1995-05-05 1996-02-28 Methode de traitement des filtrats dans un procede de blanchiment de la pate cellullosique au peroxyde Abandoned CA2170553A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43529095A 1995-05-05 1995-05-05
US08/435,290 1995-05-05

Publications (1)

Publication Number Publication Date
CA2170553A1 true CA2170553A1 (fr) 1996-11-06

Family

ID=23727790

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002170553A Abandoned CA2170553A1 (fr) 1995-05-05 1996-02-28 Methode de traitement des filtrats dans un procede de blanchiment de la pate cellullosique au peroxyde

Country Status (4)

Country Link
JP (1) JPH08325971A (fr)
CA (1) CA2170553A1 (fr)
FI (1) FI961856A (fr)
SE (1) SE9601709L (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1149946A1 (fr) * 2000-04-28 2001-10-31 Praxair Technology, Inc. Traitement des condensats d'une fabrique de pâte à papier avec de l'ozone
US6733625B2 (en) 2000-05-16 2004-05-11 Andritz Oy Method and apparatus for treating pulp

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE0300276L (sv) * 2003-01-31 2003-12-09 Kvaerner Pulping Tech Förfarande för blekning av cellulosamassa samt bleklinje härför
JP5217540B2 (ja) * 2008-03-18 2013-06-19 王子ホールディングス株式会社 クラフトパルプの製造方法
JP6409486B2 (ja) * 2014-10-15 2018-10-24 王子ホールディングス株式会社 クラフトパルプの製造方法及び製造装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1149946A1 (fr) * 2000-04-28 2001-10-31 Praxair Technology, Inc. Traitement des condensats d'une fabrique de pâte à papier avec de l'ozone
US6348129B1 (en) 2000-04-28 2002-02-19 Praxair Technology Inc Treatment of pulp mill condensate with ozone
US6733625B2 (en) 2000-05-16 2004-05-11 Andritz Oy Method and apparatus for treating pulp

Also Published As

Publication number Publication date
SE9601709D0 (sv) 1996-05-03
JPH08325971A (ja) 1996-12-10
FI961856A (fi) 1996-11-06
FI961856A0 (fi) 1996-05-02
SE9601709L (sv) 1996-11-06

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Dead