FI20002647A - Förfarande för behandling av finfördelat cellulosahaltigt fibermaterial - Google Patents

Förfarande för behandling av finfördelat cellulosahaltigt fibermaterial Download PDF

Info

Publication number
FI20002647A
FI20002647A FI20002647A FI20002647A FI20002647A FI 20002647 A FI20002647 A FI 20002647A FI 20002647 A FI20002647 A FI 20002647A FI 20002647 A FI20002647 A FI 20002647A FI 20002647 A FI20002647 A FI 20002647A
Authority
FI
Finland
Prior art keywords
fibrous material
cellulosic fibrous
comminuted cellulosic
treating comminuted
treating
Prior art date
Application number
FI20002647A
Other languages
English (en)
Finnish (fi)
Other versions
FI20002647A0 (sv
Inventor
Bertil Stromberg
Original Assignee
Andritz Ahlstrom 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 Andritz Ahlstrom Inc filed Critical Andritz Ahlstrom Inc
Publication of FI20002647A0 publication Critical patent/FI20002647A0/sv
Publication of FI20002647A publication Critical patent/FI20002647A/sv

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
    • D21C9/1057—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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • 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
    • D21C3/222—Use of compounds accelerating the pulping 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
    • D21C9/10—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
    • 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)
  • Paper (AREA)
FI20002647A 1999-12-02 2000-12-04 Förfarande för behandling av finfördelat cellulosahaltigt fibermaterial FI20002647A (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US16753799P 1999-12-02 1999-12-02
US72242000A 2000-11-28 2000-11-28

Publications (2)

Publication Number Publication Date
FI20002647A0 FI20002647A0 (sv) 2000-12-04
FI20002647A true FI20002647A (sv) 2001-06-03

Family

ID=26863255

Family Applications (2)

Application Number Title Priority Date Filing Date
FI20002647A FI20002647A (sv) 1999-12-02 2000-12-04 Förfarande för behandling av finfördelat cellulosahaltigt fibermaterial
FI20070590A FI20070590A (sv) 1999-12-02 2007-08-07 Förfarande för bahandling av finfördelat cellulosahaltigt fibermaterial

Family Applications After (1)

Application Number Title Priority Date Filing Date
FI20070590A FI20070590A (sv) 1999-12-02 2007-08-07 Förfarande för bahandling av finfördelat cellulosahaltigt fibermaterial

Country Status (5)

Country Link
US (1) US20040026051A1 (sv)
JP (2) JP2001200486A (sv)
CA (1) CA2327248A1 (sv)
FI (2) FI20002647A (sv)
SE (1) SE0004438L (sv)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8317975B2 (en) * 2004-04-20 2012-11-27 The Research Foundation Of The State University Of New York Product and processes from an integrated forest biorefinery
US20060201642A1 (en) * 2005-03-08 2006-09-14 Andritz Inc. Methods of treating chemical cellulose pulp
US7587251B2 (en) * 2005-12-21 2009-09-08 Rockwell Automation Technologies, Inc. Remote monitoring and control of an I/O module
US8920603B2 (en) * 2006-10-11 2014-12-30 Akzo Nobel N.V. Bleaching of pulp
FR2910027B1 (fr) * 2006-12-13 2009-11-06 Itt Mfg Enterprises Inc Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature
DE102007006582A1 (de) * 2007-02-09 2008-09-04 Hiwin Mikrosystem Corp. Externes Steuerelement für eine schnell lösbare Vorrichtung eines Linearantriebs
US8262856B2 (en) * 2007-06-18 2012-09-11 Andritz Inc. Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone
US9499637B2 (en) * 2014-06-23 2016-11-22 Api Intellectual Property Holdings, Llc Nanocellulose compositions and processes to produce same
CN104611972A (zh) * 2015-02-12 2015-05-13 北京京诚新星造纸工程技术有限公司 一种沙柳浆的二氧化氯漂白工艺
ITUB20153369A1 (it) * 2015-09-03 2017-03-03 Nicholas Iarocci Filtro di carta per sigarette e blocchetto di fogli da filtro
KR102223405B1 (ko) * 2019-04-15 2021-03-08 (주)리아씨엔에프 해조류 펄프의 제조 공정을 위한 표백 방법.

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US4568420B1 (en) * 1984-12-03 1999-03-02 Int Paper Co Multi-stage bleaching process including an enhanced oxidative extraction stage
US4959124A (en) * 1989-05-05 1990-09-25 International Paper Company Method of bleaching kraft pulp in a DZED sequence
JP2002517173A (ja) * 1991-01-03 2002-06-11 ユニオン キャンプ パテント ホウルディング インコーポレイテッド 塩素を使用しないリグノセルロースパルプの漂白法
FR2719854B1 (fr) * 1994-05-11 1996-06-21 Atochem Elf Sa Procédé de préparation de pâtes à papier chimiques délignifiées et blanchies.
US5645687A (en) * 1995-07-10 1997-07-08 Champion International Corporation Process for manufacturing bleached pulp with reduced chloride production
JPH11286884A (ja) * 1998-04-03 1999-10-19 Akio Onda パルプ蒸解薬液とパルプの製造方法
JP2000290887A (ja) * 1999-04-02 2000-10-17 Oji Paper Co Ltd リグノセルロースの漂白方法

Also Published As

Publication number Publication date
JP2001200486A (ja) 2001-07-27
FI20002647A0 (sv) 2000-12-04
SE0004438L (sv) 2001-06-03
CA2327248A1 (en) 2001-06-02
SE0004438D0 (sv) 2000-12-01
FI20070590A (sv) 2007-08-07
JP2009074234A (ja) 2009-04-09
US20040026051A1 (en) 2004-02-12

Similar Documents

Publication Publication Date Title
FI20070590A (sv) Förfarande för bahandling av finfördelat cellulosahaltigt fibermaterial
GB0117036D0 (en) Process for improving cellulosic material
FI970591A (sv) Förfarande och anordning för defibrering av fiberhaltigt material
FI990889A0 (sv) Förfarande och system för matning av finfördelat fibermaterial
PL351079A1 (en) Crosslinkable cellulosic fibrous product
FI991220A0 (sv) Förfarande för behandling av massa
FI20000581A0 (sv) Apparatur och förfarande för att mata in malet cellulosahaltigt fibermaterial i en kokare
FI973617A (sv) Förfarande för behandling av luktgaser från en cellulosafabrik
FI19992291A (sv) Förfarande för behandling av sönderdelat massahaltigt fibermaterial och kontinuerligt kokarsystem
NO20012525L (no) Nytt biocidmateriale og fremgangsmåte for fremstilling av nevnte materiale
IL135152A0 (en) Apparatus for drying a cellulosic fibrous structure
FI20010854A0 (sv) Förfarande för behandling av cellulosahaltigt material
FI108467B (sv) Behandlingsf÷rfarande f÷r fiberbanor
AU4781400A (en) Process for digesting lignocellulose material
DE19983371T1 (de) Werkstoffabtragmaschine
FI990835A0 (sv) Förfarande och system för matning av finfördelat fibermaterial
FI960755A0 (sv) F¦rfarande f¦r behandling av cellulosamaterial
FI990127A0 (sv) Förfarande för behandling av massa
FI980519A (sv) Förfarande för behandling av massa
AU3019801A (en) Method for treating cellulosic fibres
FI20010851A0 (sv) Arrangemang och förfarande för inmatning av celllulosahaltigt material
ATA59397A (de) Zerkleinerungsmaschine
FI20000806A0 (sv) Förfarande för blekning av en lignocellulosamassa
FI974029A (sv) Förfarande för behandling av cellulosamassa
FI20022097A (sv) Förfarande och system för behandling av ett kvistar innehållande cellulosahaltigt material i en kemisk massakokningsprocess