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

Process for treating a cellulose-lignin pulp

Info

Publication number: ZA200804881B
Authority: ZA; South Africa
Prior art keywords: cellulose; treating; lignin pulp; lignin; pulp
Prior art date: 2005-12-14

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.)

2005-12-14

Filing date

2008-06-04

Publication date

2009-03-25

2008-06-04 Application filed by Univ Maine Sys Board Trustees filed Critical Univ Maine Sys Board Trustees

2009-03-25 Publication of ZA200804881B publication Critical patent/ZA200804881B/en

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
WO2008033747A2 (en) *	2006-09-11	2008-03-20	Curis, Inc.	Multi-functional small molecules as anti-proliferative agents
CA2876082C (en)	2012-06-13	2021-06-01	University Of Maine System Board Of Trustees	Energy efficient process for preparing nanocellulose fibers
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
WO1992012289A1 (en) *	1991-01-03	1992-07-23	Union Camp Patent Holding, Inc.	Chlorine-free process for bleaching lignocellulosic pulp
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.
FI951919A7 (en) *	1992-10-23	1995-06-20	Mac Millan Bloedel Ltd	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
BR9711743A (en) *	1996-09-11	1999-08-24	Solvay Interox	Process of delignification and bleaching of chemical pulp
WO1999054544A1 (en) *	1998-04-17	1999-10-28	Alberta Research Council Inc.	Method of producing lignocellulosic pulp from non-woody species
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

2005
- 2005-12-14 US US11/300,126 patent/US20070131364A1/en not_active Abandoned
2006
- 2006-12-12 CA CA002633540A patent/CA2633540A1/en not_active Abandoned
- 2006-12-12 EP EP06839344A patent/EP1979532A4/en not_active Withdrawn
- 2006-12-12 CN CN2006800468212A patent/CN101426975B/en not_active Expired - Fee Related
- 2006-12-12 WO PCT/US2006/047416 patent/WO2007070527A2/en not_active Ceased
- 2006-12-12 JP JP2008545747A patent/JP2009520120A/en active Pending
- 2006-12-12 AU AU2006326561A patent/AU2006326561B8/en not_active Ceased
- 2006-12-12 BR BRPI0619948-8A patent/BRPI0619948A2/en not_active IP Right Cessation
2008
- 2008-06-04 ZA ZA200804881A patent/ZA200804881B/en unknown
- 2008-06-18 NO NO20082756A patent/NO20082756L/en not_active Application Discontinuation

Also Published As

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

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