FI955622A0 - Kloorivapaat organosolv-massat - Google Patents

Kloorivapaat organosolv-massat

Info

Publication number
FI955622A0
FI955622A0 FI955622A FI955622A FI955622A0 FI 955622 A0 FI955622 A0 FI 955622A0 FI 955622 A FI955622 A FI 955622A FI 955622 A FI955622 A FI 955622A FI 955622 A0 FI955622 A0 FI 955622A0
Authority
FI
Finland
Prior art keywords
organosolv
masses
chlorine
free
organosolv masses
Prior art date
Application number
FI955622A
Other languages
English (en)
Swedish (sv)
Other versions
FI955622A (fi
Inventor
Malcolm Cronlund
Jairo H Lora
Jeanne Powers
Uday Singh
Original Assignee
Alcell Tech 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 Alcell Tech Inc filed Critical Alcell Tech Inc
Publication of FI955622A0 publication Critical patent/FI955622A0/fi
Publication of FI955622A publication Critical patent/FI955622A/fi

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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI955622A 1994-11-23 1995-11-22 Kloorivapaat organosolv-massat FI955622A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US34417094A 1994-11-23 1994-11-23

Publications (2)

Publication Number Publication Date
FI955622A0 true FI955622A0 (fi) 1995-11-22
FI955622A FI955622A (fi) 1996-05-24

Family

ID=23349348

Family Applications (1)

Application Number Title Priority Date Filing Date
FI955622A FI955622A (fi) 1994-11-23 1995-11-22 Kloorivapaat organosolv-massat

Country Status (7)

Country Link
EP (1) EP0716182A3 (fi)
JP (1) JPH08260371A (fi)
AU (1) AU3900295A (fi)
BR (1) BR9505502A (fi)
CA (1) CA2163389A1 (fi)
FI (1) FI955622A (fi)
ZA (1) ZA959906B (fi)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0863113A1 (en) * 1997-03-07 1998-09-09 Akzo Nobel N.V. Process for treating wastewater
US6425974B1 (en) 1997-03-07 2002-07-30 Akzo Nobel N.V. Process for treating wastewater from a bleach plant
FI112958B (fi) * 1997-12-19 2004-02-13 Kemira Oyj Menetelmä kemiallisen massan valkaisemiseksi sekä valkaisuliuoksen käyttö
AU9690401A (en) 2000-10-17 2002-04-29 James Hardie Res Pty Ltd Method and apparatus for reducing impurities in cellulose fibers for manufactureof fiber reinforced cement composite materials
JP2002266272A (ja) * 2001-03-12 2002-09-18 Nippon Paper Industries Co Ltd セルロース質繊維材料パルプの漂白方法
PL378899A1 (pl) 2003-01-09 2006-05-29 James Hardie International Finance B.V. Kompozytowe materiały z włóknocementu z zastosowaniem bielonych włókien celulozowych
US7976676B2 (en) * 2006-12-18 2011-07-12 International Paper Company Process of bleaching softwood pulps in a D1 or D2 stage in a presence of a weak base
US7976677B2 (en) * 2006-12-18 2011-07-12 International Paper Company Process of bleaching hardwood pulps in a D1 or D2 stage in a presence of a weak base
BRPI1012052A2 (pt) 2009-05-28 2017-12-26 Gp Cellulose Gmbh fibras kraft hidrolisadas e quimicamente modificadas e métodos de produção e de branqueamento de fibras kraft
US9511167B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
US9512563B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Surface treated modified cellulose from chemical kraft fiber and methods of making and using same
FI123023B (fi) 2009-09-01 2012-10-15 Andritz Oy Menetelmä ja laitteisto suovan erottamiseksi
CO6330164A1 (es) 2011-07-12 2011-10-20 Univ Del Valle Método para producir fibras de celulosa y de hemicelulosa de alta resistencia a partir de biomasa lignocelulósica de las hojas y cogollos de la caña de azúcar
KR102180512B1 (ko) * 2013-02-08 2020-11-19 게페 첼루로제 게엠베하 개선된 알파 셀룰로스 함량을 갖는 연재 크래프트 섬유 및 화학적 셀룰로스 제품의 생산에서의 그의 용도
WO2014140852A2 (en) * 2013-03-14 2014-09-18 Gp Cellulose Gmbh A method of making highly functional, low viscosity kraft fiber using an acidic bleaching sequence and a fiber made by the process
CN105143547B (zh) 2013-03-15 2018-05-01 Gp 纤维素股份有限公司 具有增高羧基含量的低粘度牛皮纸纤维及其制造和使用方法
US20200332376A1 (en) * 2014-06-03 2020-10-22 Board Of Trustees Of Michigan State University Economical methods for performing oxidative catalytic pretreatment of plant biomass using a homogeneous catalyst system
US10865519B2 (en) 2016-11-16 2020-12-15 Gp Cellulose Gmbh Modified cellulose from chemical fiber and methods of making and using the same
US11859145B1 (en) 2022-08-29 2024-01-02 Board Of Trustees Of Michigan State University Economical methods for performing oxidative catalytic pretreatment of plant biomass using a single-stage two oxidant process

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1132993A (en) 1914-04-14 1915-03-23 Horace Wyman Photographic-film package.
CA1079008A (en) 1975-10-24 1980-06-10 Cp Associates Limited Solvent pulping process
US4764596A (en) 1985-11-05 1988-08-16 Repap Technologies Inc. Recovery of lignin
CA2053035C (en) * 1990-10-12 1997-09-30 Repap Enterprises Inc. Chlorine-free wood pulps and process of making

Also Published As

Publication number Publication date
CA2163389A1 (en) 1996-05-24
EP0716182A2 (en) 1996-06-12
AU3900295A (en) 1996-05-30
EP0716182A3 (en) 1996-11-13
JPH08260371A (ja) 1996-10-08
ZA959906B (en) 1996-07-18
BR9505502A (pt) 1997-10-28
FI955622A (fi) 1996-05-24

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Legal Events

Date Code Title Description
FD Application lapsed