EP0716182A3 - Chlorine-free organosolv pulps - Google Patents

Chlorine-free organosolv pulps Download PDF

Info

Publication number
EP0716182A3
EP0716182A3 EP95118395A EP95118395A EP0716182A3 EP 0716182 A3 EP0716182 A3 EP 0716182A3 EP 95118395 A EP95118395 A EP 95118395A EP 95118395 A EP95118395 A EP 95118395A EP 0716182 A3 EP0716182 A3 EP 0716182A3
Authority
EP
European Patent Office
Prior art keywords
chlorine
free
organosolv pulps
organosolv
pulps
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.)
Withdrawn
Application number
EP95118395A
Other languages
German (de)
French (fr)
Other versions
EP0716182A2 (en
Inventor
Malcolm Cronlund
Jairo H Lora
Jeanne Powers
Uday Singh
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.)
Alcell Technologies Inc
Original Assignee
Alcell Technologies 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 Technologies Inc filed Critical Alcell Technologies Inc
Publication of EP0716182A2 publication Critical patent/EP0716182A2/en
Publication of EP0716182A3 publication Critical patent/EP0716182A3/en
Withdrawn legal-status Critical Current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
    • 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
EP95118395A 1994-11-23 1995-11-22 Chlorine-free organosolv pulps Withdrawn EP0716182A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US34417094A 1994-11-23 1994-11-23
US344170 1999-06-24

Publications (2)

Publication Number Publication Date
EP0716182A2 EP0716182A2 (en) 1996-06-12
EP0716182A3 true EP0716182A3 (en) 1996-11-13

Family

ID=23349348

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95118395A Withdrawn EP0716182A3 (en) 1994-11-23 1995-11-22 Chlorine-free organosolv pulps

Country Status (7)

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

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8133352B2 (en) 2000-10-17 2012-03-13 James Hardie Technology Limited Method and apparatus for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials
US8333836B2 (en) 2003-01-09 2012-12-18 James Hardie Technology Limited Fiber cement composite materials using bleached cellulose fibers
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
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
US9512561B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2282849C (en) 1997-03-07 2004-07-13 Akzo Nobel N.V. Process for treating wastewater
EP0863113A1 (en) * 1997-03-07 1998-09-09 Akzo Nobel N.V. Process for treating wastewater
FI112958B (en) * 1997-12-19 2004-02-13 Kemira Oyj Method for bleaching chemical pulp and use of bleaching solution
JP2002266272A (en) * 2001-03-12 2002-09-18 Nippon Paper Industries Co Ltd Method for bleaching cellulosic fibrous material pulp
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
FI123023B (en) * 2009-09-01 2012-10-15 Andritz Oy Method and apparatus for separating soap
CO6330164A1 (en) 2011-07-12 2011-10-20 Univ Del Valle METHOD FOR PRODUCING HIGH-RESISTING CELLULOSE AND HEMICELLULOSE FIBERS FROM LIGNOCELLULOSE BIOMASS OF THE LEAVES AND COGOLLOS OF THE SUGAR CANE
EP2954115B1 (en) 2013-02-08 2022-01-12 GP Cellulose GmbH Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products
US10138598B2 (en) * 2013-03-14 2018-11-27 Gp Cellulose Gmbh Method of making a highly functional, low viscosity kraft fiber using an acidic bleaching sequence and a fiber made by the process
EP2971338A2 (en) 2013-03-15 2016-01-20 GP Cellulose GmbH A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
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
CA3040734A1 (en) 2016-11-16 2018-05-24 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

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0480469A2 (en) * 1990-10-12 1992-04-15 Alcell Technologies Inc. Chlorine-free wood pulps and process of making

Family Cites Families (3)

* 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

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0480469A2 (en) * 1990-10-12 1992-04-15 Alcell Technologies Inc. Chlorine-free wood pulps and process of making

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
DATABASE PAPERCHEM THE INSTITUTE OF PAPER SCIENCE AND TECHNOLOGY, ATLANTA, GA, US; COLODETTE, J. L. ET AL: "Improving the Selectivity and Efficiency of Oxygen Bleaching Through the Use of Methanol", XP002014023 *
DATABASE PAPERCHEM THE INSTITUTE OF PAPER SCIENCE AND TECHNOLOGY, ATLANTA, GA, US; YOUNG, J.: "Louisiana-Pacific's Samoa Mill Establishes TCF Pulp Production", XP002014022 *
PAPEL 54, NO. 4: 26-36 (APRIL 1993). [PORT.;ENGL. SUM.] *
PULP PAP. 67, NO. 8: 61-63 (AUG. 1993). [ENGL.] *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8133352B2 (en) 2000-10-17 2012-03-13 James Hardie Technology Limited Method and apparatus for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials
US8268119B2 (en) 2000-10-17 2012-09-18 James Hardie Technology Limited Method and apparatus for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials
US8333836B2 (en) 2003-01-09 2012-12-18 James Hardie Technology Limited Fiber cement composite materials using bleached cellulose fibers
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
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
US9512561B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9512562B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same

Also Published As

Publication number Publication date
JPH08260371A (en) 1996-10-08
BR9505502A (en) 1997-10-28
FI955622A (en) 1996-05-24
ZA959906B (en) 1996-07-18
FI955622A0 (en) 1995-11-22
AU3900295A (en) 1996-05-30
EP0716182A2 (en) 1996-06-12
CA2163389A1 (en) 1996-05-24

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