CA2633540A1 - Procede de traitement d'une pulpe de cellulose-lignine - Google Patents

Procede de traitement d'une pulpe de cellulose-lignine Download PDF

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Publication number
CA2633540A1
CA2633540A1 CA002633540A CA2633540A CA2633540A1 CA 2633540 A1 CA2633540 A1 CA 2633540A1 CA 002633540 A CA002633540 A CA 002633540A CA 2633540 A CA2633540 A CA 2633540A CA 2633540 A1 CA2633540 A1 CA 2633540A1
Authority
CA
Canada
Prior art keywords
pulp
ozone
chelant
cellulose
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
CA002633540A
Other languages
English (en)
Inventor
Dwane Scott Hutto
Haixuan Zou
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.)
University of Maine System
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2633540A1 publication Critical patent/CA2633540A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/147Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/1026Other features in bleaching processes
    • D21C9/1042Use of chelating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
CA002633540A 2005-12-14 2006-12-12 Procede de traitement d'une pulpe de cellulose-lignine Abandoned CA2633540A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/300,126 US20070131364A1 (en) 2005-12-14 2005-12-14 Process for treating a cellulose-lignin pulp
US11/300,126 2005-12-14
PCT/US2006/047416 WO2007070527A2 (fr) 2005-12-14 2006-12-12 Procede de traitement d’une pulpe de cellulose-lignine

Publications (1)

Publication Number Publication Date
CA2633540A1 true CA2633540A1 (fr) 2007-06-21

Family

ID=38138100

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002633540A Abandoned CA2633540A1 (fr) 2005-12-14 2006-12-12 Procede de traitement d'une pulpe de cellulose-lignine

Country Status (10)

Country Link
US (1) US20070131364A1 (fr)
EP (1) EP1979532A4 (fr)
JP (1) JP2009520120A (fr)
CN (1) CN101426975B (fr)
AU (1) AU2006326561B8 (fr)
BR (1) BRPI0619948A2 (fr)
CA (1) CA2633540A1 (fr)
NO (1) NO20082756L (fr)
WO (1) WO2007070527A2 (fr)
ZA (1) ZA200804881B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080221132A1 (en) * 2006-09-11 2008-09-11 Xiong Cai Multi-Functional Small Molecules as Anti-Proliferative Agents
PL2861799T3 (pl) 2012-06-13 2020-01-31 University Of Maine System Board Of Trustees Wydajny energetycznie sposób wytwarzania włókien nanocelulozowych
CN106283794B (zh) * 2016-11-02 2017-11-21 江南大学 一种利用臭氧去除麻纤维木质素的方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4119486A (en) * 1975-08-14 1978-10-10 Westvaco Corporation Process for bleaching wood pulp with ozone in the presence of a cationic surfactant
US4238282A (en) * 1979-07-23 1980-12-09 Nalco Chemical Company Chemical treatments in bleaching stages which increase pulp brightness
DE3544398A1 (de) * 1985-12-16 1987-06-19 Sueddeutsche Kalkstickstoff Verfahren zur bleiche und delignifizierung von zellstoffhaltigen produkten
US5188708A (en) * 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
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
SE468355B (sv) * 1991-04-30 1992-12-21 Eka Nobel Ab Blekning av kemisk massa genom behandling med komplexbildare och ozon
US5364503A (en) * 1992-02-20 1994-11-15 Macmillan Bloedel Limited Nitric oxide treatment for ozone bleaching
BE1006057A3 (fr) * 1992-07-06 1994-05-03 Solvay Interox Procede pour la delignification d'une pate a papier chimique.
ATE163206T1 (de) * 1992-10-23 1998-02-15 Mac Millan Bloedel Ltd Verbessertes ozonbleichen
US5364506A (en) * 1993-04-28 1994-11-15 The Board Of Trustees Of The Leland Stanford Junior University Method and apparatus for partial oxidation of methane and cogeneration of electrical energy
SE9301960L (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
SE502667C2 (sv) * 1993-07-12 1995-12-04 Kvaerner Pulping Tech Behandling av fibermaterial med komplexbildare före kokning
US5662803A (en) * 1996-04-09 1997-09-02 Nalco Chemical Company Stabilizers for additives in aqueous systems containing ozone
CA2189724A1 (fr) * 1996-07-08 1998-01-09 Suezone Chow Methode de reduction en pate
PT925401E (pt) * 1996-09-11 2002-07-31 Solvay Interox Sa Processo para o branqueamento de pasta de papel
AU3404099A (en) * 1998-04-17 1999-11-08 Alberta Research Council Inc. Method of producing lignocellulosic pulp from non-woody species
SE514947C2 (sv) * 1998-09-09 2001-05-21 Valmet Fibertech Ab Blekning av massa med ozon innefattande oxalsyratillsats
US6302997B1 (en) * 1999-08-30 2001-10-16 North Carolina State University Process for producing a pulp suitable for papermaking from nonwood fibrous materials
US7396974B2 (en) * 2002-02-08 2008-07-08 University Of Maine Oxidation using a non-enzymatic free radical system mediated by redox cycling chelators
DE10320618A1 (de) * 2003-05-08 2004-11-18 Papierfabrik Albbruck Gmbh & Co. Kg Verfahren zum Bleichen von Faserstoffen

Also Published As

Publication number Publication date
NO20082756L (no) 2008-08-11
US20070131364A1 (en) 2007-06-14
WO2007070527A3 (fr) 2008-11-13
EP1979532A2 (fr) 2008-10-15
JP2009520120A (ja) 2009-05-21
CN101426975B (zh) 2011-09-21
CN101426975A (zh) 2009-05-06
EP1979532A4 (fr) 2011-09-28
AU2006326561B2 (en) 2011-03-17
AU2006326561A1 (en) 2007-06-21
WO2007070527A2 (fr) 2007-06-21
ZA200804881B (en) 2009-03-25
BRPI0619948A2 (pt) 2011-10-25
AU2006326561B8 (en) 2011-04-07

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued

Effective date: 20131212