AU656658B2 - Gas phase delignification of lignocellulosic material - Google Patents

Gas phase delignification of lignocellulosic material Download PDF

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Publication number
AU656658B2
AU656658B2 AU34769/93A AU3476993A AU656658B2 AU 656658 B2 AU656658 B2 AU 656658B2 AU 34769/93 A AU34769/93 A AU 34769/93A AU 3476993 A AU3476993 A AU 3476993A AU 656658 B2 AU656658 B2 AU 656658B2
Authority
AU
Australia
Prior art keywords
chlorine dioxide
pulp
ozone
acid
gas
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.)
Ceased
Application number
AU34769/93A
Other languages
English (en)
Other versions
AU3476993A (en
Inventor
David W. Cawlfield
Sudhir K Mendiratta
Venketa R Parthasarathy
Glenn F Rudie
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.)
Mead Corp
Olin Corp
Original Assignee
Mead Corp
Olin Corp
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 Mead Corp, Olin Corp filed Critical Mead Corp
Publication of AU3476993A publication Critical patent/AU3476993A/en
Application granted granted Critical
Publication of AU656658B2 publication Critical patent/AU656658B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • D21C9/12—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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
AU34769/93A 1992-01-22 1993-01-19 Gas phase delignification of lignocellulosic material Ceased AU656658B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US82379592A 1992-01-22 1992-01-22
US823795 1992-01-22
PCT/US1993/000408 WO1993015264A1 (fr) 1992-01-22 1993-01-19 Delignification en phase gazeuse de matieres lignocellulosiques

Publications (2)

Publication Number Publication Date
AU3476993A AU3476993A (en) 1993-09-01
AU656658B2 true AU656658B2 (en) 1995-02-09

Family

ID=25239744

Family Applications (1)

Application Number Title Priority Date Filing Date
AU34769/93A Ceased AU656658B2 (en) 1992-01-22 1993-01-19 Gas phase delignification of lignocellulosic material

Country Status (10)

Country Link
EP (1) EP0705361A1 (fr)
JP (1) JPH07502082A (fr)
AU (1) AU656658B2 (fr)
BR (1) BR9305760A (fr)
CA (1) CA2128408A1 (fr)
FI (1) FI943466A0 (fr)
NZ (1) NZ245712A (fr)
RU (1) RU94036007A (fr)
WO (1) WO1993015264A1 (fr)
ZA (1) ZA93224B (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2743094B1 (fr) * 1995-12-27 1998-02-13 Centre Tech Ind Papier Procede de blanchiment des pates a papier chimiques
US6773547B2 (en) * 1998-05-08 2004-08-10 American Air Liquide, Inc. Process for the bleaching of low consistency pulp using high partial pressure ozone
US6579412B2 (en) * 1998-05-08 2003-06-17 L'air Liquide - Societe' Anonyme A' Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for ozone bleaching of low consistency pulp
WO2002016691A1 (fr) * 2000-08-25 2002-02-28 Akzo Nobel N.V. Procede chimique
FI122626B (fi) 2006-03-31 2012-04-30 Laennen Tutkimus Western Res Inc Oy Kemiallisen massan valkaisumenetelmä
EP3536694B1 (fr) 2014-08-06 2020-12-02 California Institute of Technology Silylation d'hétérocycles aromatiques par des catalyseurs abondants sur terre, exempts de métaux de transition
US10787475B2 (en) * 2017-11-07 2020-09-29 Ingevity South Carolina, Llc Methods of making low color lignin

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4959124A (en) * 1989-05-05 1990-09-25 International Paper Company Method of bleaching kraft pulp in a DZED sequence
US5034095A (en) * 1989-06-01 1991-07-23 Oji Paper Co., Ltd. Apparatus and process for the delignification of cellulose pulp

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1957937A (en) * 1930-10-10 1934-05-08 Int Paper Co Process of bleaching fibrous cellulose material
CA902859A (en) * 1969-11-26 1972-06-20 Pulp And Paper Research Institute Of Canada Chemical reaction between a solid and a gas
US3810969A (en) * 1971-06-22 1974-05-14 Hooker Chemical Corp Process for the production of chlorine dioxide
US4216054A (en) * 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
US4902381A (en) * 1988-12-09 1990-02-20 Kamyr, Inc. Method of bleaching pulp with ozone-chlorine mixtures
EP0561786B1 (fr) * 1990-08-14 1997-11-26 International Paper Company Blanchiment de pate chimique au moyen de chlore/dioxyde de chlore puis d'ozone

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4959124A (en) * 1989-05-05 1990-09-25 International Paper Company Method of bleaching kraft pulp in a DZED sequence
US5034095A (en) * 1989-06-01 1991-07-23 Oji Paper Co., Ltd. Apparatus and process for the delignification of cellulose pulp

Also Published As

Publication number Publication date
ZA93224B (en) 1993-08-18
EP0705361A4 (fr) 1995-09-27
CA2128408A1 (fr) 1993-08-05
WO1993015264A1 (fr) 1993-08-05
FI943466A (fi) 1994-07-21
FI943466A0 (fi) 1994-07-21
NZ245712A (en) 1994-09-27
AU3476993A (en) 1993-09-01
JPH07502082A (ja) 1995-03-02
BR9305760A (pt) 1997-01-28
EP0705361A1 (fr) 1996-04-10
RU94036007A (ru) 1996-06-10

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