ZA200804881B - Process for treating a cellulose-lignin pulp - Google Patents

Process for treating a cellulose-lignin pulp

Info

Publication number
ZA200804881B
ZA200804881B ZA200804881A ZA200804881A ZA200804881B ZA 200804881 B ZA200804881 B ZA 200804881B ZA 200804881 A ZA200804881 A ZA 200804881A ZA 200804881 A ZA200804881 A ZA 200804881A ZA 200804881 B ZA200804881 B ZA 200804881B
Authority
ZA
South Africa
Prior art keywords
cellulose
treating
lignin pulp
lignin
pulp
Prior art date
Application number
ZA200804881A
Inventor
Hutto Dwane Scott
Zou Haixuan
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 ZA200804881B publication Critical patent/ZA200804881B/en

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)
ZA200804881A 2005-12-14 2008-06-04 Process for treating a cellulose-lignin pulp ZA200804881B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA200804881B true ZA200804881B (en) 2009-03-25

Family

ID=38138100

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA200804881A ZA200804881B (en) 2005-12-14 2008-06-04 Process for treating a cellulose-lignin pulp

Country Status (10)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2061772A4 (en) * 2006-09-11 2011-06-29 Curis Inc Multi-functional small molecules as anti-proliferative agents
CN104583492B (en) 2012-06-13 2018-03-06 缅因大学系统理事会 The method for preparing the Energy Efficient of nano-cellulose fiber
CN106283794B (en) * 2016-11-02 2017-11-21 江南大学 A kind of method that flaxen fiber lignin is removed using ozone

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 (en) * 1985-12-16 1987-06-19 Sueddeutsche Kalkstickstoff METHOD FOR THE BLEACHING AND DELIGNIFICATION OF CELLULAR-BASED PRODUCTS
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
JP2002517173A (en) * 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 Bleaching method of lignocellulose pulp without chlorine
SE468355B (en) * 1991-04-30 1992-12-21 Eka Nobel Ab CHEMISTRY OF CHEMICAL MASS THROUGH TREATMENT WITH COMPLEX PICTURES AND OZONE
US5364503A (en) * 1992-02-20 1994-11-15 Macmillan Bloedel Limited Nitric oxide treatment for ozone bleaching
BE1006057A3 (en) * 1992-07-06 1994-05-03 Solvay Interox Method for delignification of chemical pulp.
EP0665912B1 (en) * 1992-10-23 1998-02-11 Macmillan Bloedel Limited Improved ozone bleaching
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 (en) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Bleaching of chemical pulp with peroxide at overpressure
SE502667C2 (en) * 1993-07-12 1995-12-04 Kvaerner Pulping Tech Treatment of fiber material with complexing agents before cooking
US5662803A (en) * 1996-04-09 1997-09-02 Nalco Chemical Company Stabilizers for additives in aqueous systems containing ozone
CA2189724A1 (en) * 1996-07-08 1998-01-09 Suezone Chow Method of pulping
AU4300797A (en) * 1996-09-11 1998-04-02 Solvay Interox (Societe Anonyme) Method for bleaching paper pulp
DE69912128T2 (en) * 1998-04-17 2004-06-17 Alberta Research Council, Inc., Edmonton METHOD FOR PRODUCING LIGNOCELLULOSE-CONTAINING PULP FROM NON-WOODY MATERIAL
SE514947C2 (en) * 1998-09-09 2001-05-21 Valmet Fibertech Ab Bleaching of pulp with ozone including oxalic acid addition
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 (en) * 2003-05-08 2004-11-18 Papierfabrik Albbruck Gmbh & Co. Kg Process for bleaching fibrous materials

Also Published As

Publication number Publication date
EP1979532A2 (en) 2008-10-15
JP2009520120A (en) 2009-05-21
AU2006326561B8 (en) 2011-04-07
BRPI0619948A2 (en) 2011-10-25
US20070131364A1 (en) 2007-06-14
CA2633540A1 (en) 2007-06-21
EP1979532A4 (en) 2011-09-28
CN101426975A (en) 2009-05-06
AU2006326561B2 (en) 2011-03-17
WO2007070527A3 (en) 2008-11-13
CN101426975B (en) 2011-09-21
AU2006326561A1 (en) 2007-06-21
WO2007070527A2 (en) 2007-06-21
NO20082756L (en) 2008-08-11

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