FI934446L - Foerfarande foer reducering av maengden av faergade aemnen i blekavlut genom att anvaenda dzd-blekserie - Google Patents

Foerfarande foer reducering av maengden av faergade aemnen i blekavlut genom att anvaenda dzd-blekserie Download PDF

Info

Publication number: FI934446L
Authority: FI; Finland
Prior art keywords: maengden; faergade; blekserie; blekavlut; aemnen
Prior art date: 1991-04-08

Application number

FI934446A

Other languages

English (en)

Finnish (fi)

Other versions

FI934446A0 (fi

FI934446A7 (fi

Inventor

Shyam S Bhattacharjee

Jean J Renard

Original Assignee

Int Paper Co

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.)

1991-04-08

Filing date

1992-03-26

Publication date

1993-10-29

1992-03-26 Application filed by Int Paper Co filed Critical Int Paper Co

1993-10-08 Publication of FI934446A0 publication Critical patent/FI934446A0/fi

1993-10-29 Publication of FI934446L publication Critical patent/FI934446L/fi

1993-10-29 Publication of FI934446A7 publication Critical patent/FI934446A7/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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
- D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
- 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

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

FI934446A 1991-04-08 1992-03-26 Menetelmä värillisten aineiden määrän vähentämiseksi valkaisun jätelie messä käyttämällä DZD-valkaisusarjaa FI934446A7 (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US68272891A	1991-04-08	1991-04-08
PCT/US1992/002533 WO1992017639A1 (en)	1991-04-08	1992-03-26	Method for reducing colored matter from bleach effluent using a dzd bleach sequence

Publications (3)

Publication Number	Publication Date
FI934446A0 FI934446A0 (fi)	1993-10-08
FI934446L true FI934446L (fi)	1993-10-29
FI934446A7 FI934446A7 (fi)	1993-10-29

Family

ID=24740890

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI934446A FI934446A7 (fi)	1991-04-08	1992-03-26	Menetelmä värillisten aineiden määrän vähentämiseksi valkaisun jätelie messä käyttämällä DZD-valkaisusarjaa

Country Status (7)

Country	Link
US (1)	US6042690A (pt)
EP (1)	EP0579744A4 (pt)
JP (1)	JPH06506271A (pt)
BR (1)	BR9205875A (pt)
CA (1)	CA2107883A1 (pt)
FI (1)	FI934446A7 (pt)
WO (1)	WO1992017639A1 (pt)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE69316988T2 (de) *	1992-10-23	1998-07-30	Mac Millan Bloedel Ltd	Verbessertes ozonbleichen
SE9401771D0 (sv) *	1994-05-24	1994-05-24	Hans Olof Samuelson	Process for removal of metal compounds in lignocellulosic pulp
CA2186176C (en) *	1995-09-28	2002-11-26	Derek Hornsey	Method and apparatus for ozone bleaching of cellulosic pulp at low consistency
FR2743094B1 (fr) *	1995-12-27	1998-02-13	Centre Tech Ind Papier	Procede de blanchiment des pates a papier chimiques
US6174409B1 (en) *	1997-09-19	2001-01-16	American Air Liquide Inc.	Method to improve final bleached pulp strength properties by adjusting the CI02:03 ration within a single (D/Z) stage of the bleaching process
AU8642698A (en) *	1998-07-31	2000-02-28	Asia Pulp & Paper Co Ltd	An improved method for bleaching pulp
WO2007108760A1 (en) *	2006-03-20	2007-09-27	Metso Paper, Inc.	Final bleaching of cellulose pulp with ozone
US12121944B2 (en)	2020-03-30	2024-10-22	Common Ground Lab Inc.	Three-dimensional printed compositions using organic substrates such as coffee, pistachio shells and coconut shells, with bacteria-based binders, coatings for three-dimensional printed compositions, and processes related to the same

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4080249A (en) *	1976-06-02	1978-03-21	International Paper Company	Delignification and bleaching of a lignocellulosic pulp slurry with ozone
US4080239A (en) *	1977-05-05	1978-03-21	Interface Mechanisms, Inc.	Automated label applicator
US4216054A (en) *	1977-09-26	1980-08-05	Weyerhaeuser Company	Low-consistency ozone delignification
US4372812A (en) *	1978-04-07	1983-02-08	International Paper Company	Chlorine free process for bleaching lignocellulosic pulp
US4259149A (en) *	1978-05-03	1981-03-31	Hooker Chemicals & Plastics Corp.	Method of reducing waste stream pollutants by the control and separation of waste contaminants from a multi-stage cellulosic bleaching sequence
US4959124A (en) *	1989-05-05	1990-09-25	International Paper Company	Method of bleaching kraft pulp in a DZED sequence

1992
- 1992-03-26 EP EP92910321A patent/EP0579744A4/en not_active Ceased
- 1992-03-26 BR BR9205875A patent/BR9205875A/pt not_active Application Discontinuation
- 1992-03-26 CA CA002107883A patent/CA2107883A1/en not_active Abandoned
- 1992-03-26 FI FI934446A patent/FI934446A7/fi unknown
- 1992-03-26 WO PCT/US1992/002533 patent/WO1992017639A1/en not_active Ceased
- 1992-03-26 JP JP4509597A patent/JPH06506271A/ja active Pending
1998
- 1998-04-13 US US09/059,121 patent/US6042690A/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
BR9205875A (pt)	1994-08-02
FI934446A0 (fi)	1993-10-08
EP0579744A4 (en)	1995-11-15
CA2107883A1 (en)	1992-10-09
WO1992017639A1 (en)	1992-10-15
EP0579744A1 (en)	1994-01-26
US6042690A (en)	2000-03-28
JPH06506271A (ja)	1994-07-14
FI934446A7 (fi)	1993-10-29

Similar Documents

Publication	Publication Date	Title
FI924146L (fi)	1993-03-18	Foerfarande foer framstaellning av aminosyror genom fermentering
FI925028L (fi)	1993-05-09	Foerfarande foer framstaellning av en kompositionsprodukt genom malning
FI920175L (fi)	1992-07-17	Foerfarande foer framstaellning av additionspolymerisationskatalysatorer genom oxidering av metallkaernan.
FI925590A0 (fi)	1992-12-09	Expression av specifika immunogener genom anvaendning av virusantigener
FI933870L (fi)	1993-09-03	Nukleinsyratypprovning genom polymerasfoerlaengning av oligonukleotider under anvaendning av terminatorblandningar
FI925383A0 (fi)	1992-11-26	Arrangemang foer att erhaolla nyckelparametrar foer bestyrkning i cellulaert mobiltelefoninaet
FI915087L (fi)	1992-05-01	Foerhindrande av toxinproduktion genom att anvaenda absorptionsprodukter.
FI932567A7 (fi)	1993-06-04	Tillverkning av delar genom att forma en pulversammansaettning
FI921810A0 (fi)	1992-04-23	Foerfarande foer att goera moensterkort- moenstren genom anvaendande av selektivt etsbara metallskikt.
FI933982A0 (fi)	1993-09-10	Framstaellning av dieselbraensle genom hydrering av ett dieselmatningsmaterial
FI933729L (fi)	1994-02-26	Traedefibrering med aettikasyra genom att tillaegga myrsyror
FI931487L (fi)	1993-10-04	Foerfarande foer framstaellning av myrsyra genom termisk soenderdelning avkvaternaera ammoniumformiat
FI925572A7 (fi)	1992-12-08	Elektrisk anordning foer omvandling av molekylvikter genom anvaendning av dynoder
FI924845A7 (fi)	1992-10-26	Graenssnitt foer att presentera effekten i en optimerande flerspraokskompilator
FI914278A0 (fi)	1991-09-11	Foerfarande foer att styra kornstorleken vid framstaellning av styrenpolymerisat genom suspensionspolymerisation.
FI933893L (fi)	1993-09-06	Saenkning av kolesterolhalten i blod genom cellulosaetrar
FI945397A0 (fi)	1994-11-16	Foerbaettrad syrsaettning av talloljetvaol genom anvaendning av koldioxid
FI921102L (fi)	1992-09-16	Anordning foer att utjaemna trycket i mellanoerat
FI924306L (fi)	1993-03-28	Foerbaettrat vaevnadslim som framstaellts genom anvaendning av kryofaellning
FI933990A0 (fi)	1993-09-10	Anordning foer att tillverka en torkad pappersbana
FI924550L (fi)	1993-04-09	Testanordning och -metod bevisning av mikroorganismer foerknippade med tandsjukdomar genom att anvaenda en blandning av ytaktiva aemnen som extraheringskomposition
FI921330L (fi)	1992-09-28	Foerfarande foer framstaellning av pentafluoretan genom hydrering av klorpentafluoretan i aongfas
FI934446L (fi)	1993-10-29	Foerfarande foer reducering av maengden av faergade aemnen i blekavlut genom att anvaenda dzd-blekserie
FI922353A7 (fi)	1992-11-25	Foerfarande foer att avskilja svaveloxider fraon avgaser
FI910692L (fi)	1992-08-14	Foerfarande foer tillvaratagande av metallinnehaollet i metallurgiska avfallsutfaellning och -damm genom att anvaenda suspensionssmaeltningsfoerfarande.