NO20082756L - Fremgangsmate for a behandle en cellulose-ligninmasse - Google Patents

Fremgangsmate for a behandle en cellulose-ligninmasse

Info

Publication number
NO20082756L
NO20082756L NO20082756A NO20082756A NO20082756L NO 20082756 L NO20082756 L NO 20082756L NO 20082756 A NO20082756 A NO 20082756A NO 20082756 A NO20082756 A NO 20082756A NO 20082756 L NO20082756 L NO 20082756L
Authority
NO
Norway
Prior art keywords
treating
lignin mass
cellulose lignin
ozone
cellulose
Prior art date
Application number
NO20082756A
Other languages
English (en)
Norwegian (no)
Inventor
Dwane Scott Hutto
Haixuan Zou
Original Assignee
Univ Maine Sys Board Trustees
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 Univ Maine Sys Board Trustees filed Critical Univ Maine Sys Board Trustees
Publication of NO20082756L publication Critical patent/NO20082756L/no

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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1042—Use of chelating agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
NO20082756A 2005-12-14 2008-06-18 Fremgangsmate for a behandle en cellulose-ligninmasse NO20082756L (no)

Applications Claiming Priority (2)

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
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
NO20082756L true NO20082756L (no) 2008-08-11

Family

ID=38138100

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20082756A NO20082756L (no) 2005-12-14 2008-06-18 Fremgangsmate for a behandle en cellulose-ligninmasse

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
WO2008033747A2 (fr) * 2006-09-11 2008-03-20 Curis, Inc. Petites molécules multifonctionnelles servant d'agents anti-prolifératifs
BR112014031092B1 (pt) 2012-06-13 2022-05-17 University Of Maine System Board Of Trustees Processo para formar nanofibras de celulose a partir de um material celulósico
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
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
EP0565625A1 (fr) * 1991-01-03 1993-10-20 Union Camp Patent Holding, Inc. Procede de blanchiment de pate lignocellulosique sans utilisation de chlore
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.
WO1994010377A1 (fr) * 1992-10-23 1994-05-11 Macmillan Bloedel Limited Blanchiment a l'ozone ameliore
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
PL332079A1 (en) * 1996-09-11 1999-08-30 Solvay Interox Sa Paper pulp bleaching method
DE69912128T2 (de) * 1998-04-17 2004-06-17 Alberta Research Council, Inc., Edmonton Verfahren zur herstellung lignocellulosehaltiger pulpe aus nicht holzartigem material
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
AU2006326561B8 (en) 2011-04-07
CA2633540A1 (fr) 2007-06-21
BRPI0619948A2 (pt) 2011-10-25
ZA200804881B (en) 2009-03-25
WO2007070527A2 (fr) 2007-06-21
EP1979532A4 (fr) 2011-09-28
EP1979532A2 (fr) 2008-10-15
AU2006326561B2 (en) 2011-03-17
JP2009520120A (ja) 2009-05-21
CN101426975A (zh) 2009-05-06
CN101426975B (zh) 2011-09-21
WO2007070527A3 (fr) 2008-11-13
AU2006326561A1 (en) 2007-06-21
US20070131364A1 (en) 2007-06-14

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application