FI933542A0 - Blekning av lignocellulosamaterial med aktiverat syre - Google Patents

Blekning av lignocellulosamaterial med aktiverat syre

Info

Publication number: FI933542A0
Authority: FI; Finland
Prior art keywords: lignocellulosamaterial; aktiverat; blekning; syre; med
Prior art date: 1991-02-12

Application number

FI933542A

Other languages

English (en)

Other versions

FI108549B (fi

FI933542A (fi

Inventor

Chung-Li Lee

Robert W Murray

Kenneth Hunt

Original Assignee

Pulp Paper Res Inst

Univ Missouri

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.)

1991-02-12

Filing date

1993-08-11

Publication date

1993-08-11

1993-08-11 Application filed by Pulp Paper Res Inst, Univ Missouri filed Critical Pulp Paper Res Inst

1993-08-11 Publication of FI933542A0 publication Critical patent/FI933542A0/fi

1993-08-11 Publication of FI933542A publication Critical patent/FI933542A/fi

2002-02-15 Application granted granted Critical

2002-02-15 Publication of FI108549B publication Critical patent/FI108549B/fi

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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- 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
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Compounds Of Unknown Constitution (AREA)

FI933542A 1991-02-12 1993-08-11 Lignoselluloosamateriaalin valkaisu aktivoidulla hapella FI108549B (fi)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US65363991A	1991-02-12	1991-02-12
US65363991		1991-02-12
CA9200045		1992-02-04
PCT/CA1992/000045 WO1992013993A1 (en)	1991-02-12	1992-02-04	Bleaching of lignocellulosic material with activated oxygen

Publications (3)

Publication Number	Publication Date
FI933542A0 true FI933542A0 (fi)	1993-08-11
FI933542A FI933542A (fi)	1993-08-11
FI108549B FI108549B (fi)	2002-02-15

Family

ID=24621712

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI933542A FI108549B (fi)	1991-02-12	1993-08-11	Lignoselluloosamateriaalin valkaisu aktivoidulla hapella

Country Status (9)

Country	Link
US (1)	US5366593A (fi)
EP (1)	EP0571433B1 (fi)
JP (1)	JPH06505057A (fi)
AU (1)	AU653782B2 (fi)
BR (1)	BR9205620A (fi)
CA (1)	CA2100361C (fi)
DE (1)	DE69202149T2 (fi)
FI (1)	FI108549B (fi)
WO (1)	WO1992013993A1 (fi)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
IT1251180B (it) *	1991-08-28	1995-05-04	Ausimont Spa	Processo per la degradazione della lignina con diossirani
US5785887A (en) *	1992-04-17	1998-07-28	Colgate-Palmolive Company	Peroxygen bleach composition
NZ262009A (en) *	1993-02-01	1996-06-25	Solvay Interox	Composition comprising a ketone, water, monopersulphuric acid (caro's acid) and buffer; use in delignification of kraft pulp
WO1994020682A1 (en) *	1993-03-12	1994-09-15	Fmc Corporation	Persulfate mixtures for repulping wet strength paper
US5403549A (en) *	1993-11-04	1995-04-04	Cyclo3 pss Medical Systems, Inc.	Method for sterilization using a fluid chemical biocide
US5437686A (en) *	1994-05-18	1995-08-01	Colgate-Palmolive Co.	Peroxygen bleach composition activated by bi and tricyclic diketones
ATE284994T1 (de) *	1997-03-21	2005-01-15	Degussa Initiators Gmbh & Co K	Bleichen und delignifizierung von zellstoff durch caroate/carosche säure und herstellung derselben
US6511578B2 (en)	1997-03-21	2003-01-28	Peroxid-Chemie Gmbh & Co. Kg	Bleaching and delignifying cellulosic pulp using caroate/caro's acid solution
US6193837B1 (en)	1997-09-19	2001-02-27	Midwest Research Institute	Preparation of brightness stabilization agent for lignin containing pulp from biomass pyrolysis oils
US7582594B2 (en)	2003-10-17	2009-09-01	Applied Research Associates, Inc.	Dioxirane formulations for decontamination
US8246779B2 (en) *	2009-09-24	2012-08-21	Noram Engineering And Constructors Ltd.	Maintenance of sulfur concentration in Kraft pulp processes
FI20105862A0 (fi) *	2010-08-18	2010-08-18	Bo Akademi University	Menetelmä hekseeniuronihappojen poistamiseksi
DE102013010950B4 (de)	2012-06-28	2016-09-01	Hochschule Anhalt	Elektrolysezelle und Verfahren zur elektrolytischen Erzeugung von Chlordioxid
DE102014014188A1 (de)	2014-09-24	2016-03-24	Hochschule Anhalt (Fh)	Verfahren zur chemischen Erzeugung von Chlordioxid aus Chloritionen und Ozon

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1368400A (en) *	1971-08-05	1974-09-25	Procter & Gamble	Bleaching process and compositions therefor
US4404061A (en) *	1981-08-17	1983-09-13	International Paper Company	Bleaching of lignocellulosic materials with monopersulfuric acid or its salts
BR9007993A (pt) *	1990-02-16	1992-10-13	Pulp Paper Res Inst	Processo para alvejar polpa quimica

1992
- 1992-02-04 WO PCT/CA1992/000045 patent/WO1992013993A1/en active IP Right Grant
- 1992-02-04 BR BR9205620A patent/BR9205620A/pt not_active Application Discontinuation
- 1992-02-04 AU AU11972/92A patent/AU653782B2/en not_active Ceased
- 1992-02-04 EP EP92904110A patent/EP0571433B1/en not_active Expired - Lifetime
- 1992-02-04 JP JP4503885A patent/JPH06505057A/ja active Pending
- 1992-02-04 CA CA002100361A patent/CA2100361C/en not_active Expired - Fee Related
- 1992-02-04 DE DE69202149T patent/DE69202149T2/de not_active Expired - Fee Related
- 1992-08-11 US US07/927,164 patent/US5366593A/en not_active Expired - Fee Related
1993
- 1993-08-11 FI FI933542A patent/FI108549B/fi active

Also Published As

Publication number	Publication date
EP0571433B1 (en)	1995-04-19
US5366593A (en)	1994-11-22
EP0571433A1 (en)	1993-12-01
JPH06505057A (ja)	1994-06-09
BR9205620A (pt)	1994-05-03
CA2100361A1 (en)	1992-08-13
DE69202149T2 (de)	1995-11-09
DE69202149D1 (de)	1995-05-24
WO1992013993A1 (en)	1992-08-20
AU1197292A (en)	1992-09-07
CA2100361C (en)	1997-07-22
AU653782B2 (en)	1994-10-13
FI108549B (fi)	2002-02-15
FI933542A (fi)	1993-08-11

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