CA2830312A1 - Method and arrangement for treating filtrate after oxygen delignification of chemical pulp cooked to a high kappa number - Google Patents

Method and arrangement for treating filtrate after oxygen delignification of chemical pulp cooked to a high kappa number Download PDF

Info

Publication number
CA2830312A1
CA2830312A1 CA2830312A CA2830312A CA2830312A1 CA 2830312 A1 CA2830312 A1 CA 2830312A1 CA 2830312 A CA2830312 A CA 2830312A CA 2830312 A CA2830312 A CA 2830312A CA 2830312 A1 CA2830312 A1 CA 2830312A1
Authority
CA
Canada
Prior art keywords
pulp
washing
oxygen
lignin
stage
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
CA2830312A
Other languages
English (en)
French (fr)
Inventor
Janne Vehmaa
Johan Engstrom
Jussi Piira
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.)
Andritz Oy
Original Assignee
Andritz 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
Priority claimed from FI20115278A external-priority patent/FI20115278A0/fi
Priority claimed from FI20115277A external-priority patent/FI20115277A0/fi
Application filed by Andritz Oy filed Critical Andritz Oy
Publication of CA2830312A1 publication Critical patent/CA2830312A1/en
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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
    • 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
    • D21C7/00—Digesters
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA2830312A 2011-03-22 2012-03-21 Method and arrangement for treating filtrate after oxygen delignification of chemical pulp cooked to a high kappa number Abandoned CA2830312A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
FI20115278 2011-03-22
FI20115278A FI20115278A0 (fi) 2011-03-22 2011-03-22 Menetelmä ja järjestelmä massan käsittelemiseksi
FI20115277A FI20115277A0 (fi) 2011-03-22 2011-03-22 Menetelmä ja järjestely massan käsittelemiseksi
FI20115277 2011-03-22
FI20115754A FI20115754A0 (fi) 2011-03-22 2011-07-15 Menetelmä ja järjestely kemiallisen massan käsittelemiseksi
FI20115754 2011-07-15
PCT/FI2012/050272 WO2012127111A1 (en) 2011-03-22 2012-03-21 Method and arrangement for treating filtrate after oxygen delignification of chemical pulp cooked to a high kappa number

Publications (1)

Publication Number Publication Date
CA2830312A1 true CA2830312A1 (en) 2012-09-27

Family

ID=44318420

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2830312A Abandoned CA2830312A1 (en) 2011-03-22 2012-03-21 Method and arrangement for treating filtrate after oxygen delignification of chemical pulp cooked to a high kappa number

Country Status (10)

Country Link
US (1) US20140102648A1 (de)
EP (1) EP2689063B1 (de)
JP (1) JP2014508866A (de)
CN (1) CN103459711A (de)
BR (1) BR112013023777A2 (de)
CA (1) CA2830312A1 (de)
CL (1) CL2013002640A1 (de)
FI (1) FI20115754A0 (de)
RU (1) RU2013146897A (de)
WO (1) WO2012127111A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104345125B (zh) * 2014-09-23 2016-02-17 周栋 一种快速评价柳木硫酸盐法制浆工艺的方法
CN104345126B (zh) * 2014-09-23 2016-02-17 周栋 一种快速评价楹木硫酸盐法制浆工艺的方法
CN104330525B (zh) * 2014-09-24 2016-03-23 梁朔 一种快速评价桉木烧碱蒽醌法制浆工艺的方法
CN104950857A (zh) * 2015-06-24 2015-09-30 黄红林 一种基于软测量的制浆蒸煮控制方法
EP3464713B1 (de) 2016-05-27 2023-09-27 Fibratech Pte. Ltd Verfahren und system zur herstellung von hochmolekularem lignin
FI129846B (en) * 2019-02-01 2022-09-30 Andritz Oy Method for producing oxidized lignin in kraft pulp mills

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1070909A (en) * 1976-05-04 1980-02-05 Canadian Industries Limited Nitrogen dioxide-oxygen delignification
SE465815B (sv) * 1985-04-04 1991-11-04 Knut Lundquist Foerfarande foer impregnering av trae med alkalilignin
US5525195A (en) * 1989-02-15 1996-06-11 Union Camp Patent Holding, Inc. Process for high consistency delignification using a low consistency alkali pretreatment
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
ZA92566B (en) * 1991-02-01 1993-07-28 Alcell Tech Inc Pulping of lignocellulosic materials and recovery of resultant by-products.
FI923585A (fi) * 1991-08-14 1993-02-15 Union Camp Patent Holding Anvaendning av en tvaettpress i en alkalitillsatsprocess foer massa
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
EP1161592B1 (de) * 1999-02-15 2004-09-22 Kiram AB Verfahren zum sauerstoff-aufschluss von liganocellulosischen materialien und rückgewinnung von aufschlusschemikalien
US6942754B2 (en) * 1999-03-23 2005-09-13 Oji Paper Co., Ltd. Process for producing xylooligosaccharide from lignocellulose pulp
WO2001059204A1 (en) * 2000-02-14 2001-08-16 Kiram Ab Process for oxygen pulping of lignocellulosic material and recovery of pulping chemicals
US20020129911A1 (en) * 2000-10-16 2002-09-19 Marcoccia Bruno S. Process and configuration for providing external upflow/internal downflow in a continuous digester
SE0202711D0 (sv) * 2002-09-12 2002-09-12 Kiram Ab Alkaline process for the manufacturing of pulp using alkali metaborate as buffering alkali
JP4039250B2 (ja) * 2003-01-16 2008-01-30 王子製紙株式会社 漂白パルプの製造方法
WO2007137127A2 (en) * 2006-05-19 2007-11-29 The Research Foundation Of State University Of New York Methods for carbonate pretreatment and pulping of cellulosic material
US9382389B2 (en) * 2008-02-21 2016-07-05 Valmet Aktiebolag Method for separating lignin from black liquor, a lignin product, and use of a lignin product for the production of fuels or materials

Also Published As

Publication number Publication date
BR112013023777A2 (pt) 2016-12-06
EP2689063A1 (de) 2014-01-29
JP2014508866A (ja) 2014-04-10
CN103459711A (zh) 2013-12-18
WO2012127111A1 (en) 2012-09-27
FI20115754A0 (fi) 2011-07-15
EP2689063B1 (de) 2017-08-16
CL2013002640A1 (es) 2014-01-31
EP2689063A4 (de) 2014-10-15
RU2013146897A (ru) 2015-04-27
US20140102648A1 (en) 2014-04-17

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Legal Events

Date Code Title Description
FZDE Discontinued

Effective date: 20180321