NO971682L - Fremgangsmåte for fjerning av heksenuronsyregrupper i cellulosemasse ved varmebehandling - Google Patents

Fremgangsmåte for fjerning av heksenuronsyregrupper i cellulosemasse ved varmebehandling

Info

Publication number: NO971682L
Authority: NO; Norway
Prior art keywords: heat treatment; acid groups; cellulose pulp; hexenuronic acid; removing hexenuronic
Prior art date: 1994-10-13

Application number

NO971682A

Other languages

English (en)

Norwegian (no)

Other versions

NO971682D0 (no

Inventor

Tapani Vuorinen

Johanna Buchert

Anita Teleman

Maija Tenkanen

Original Assignee

Ahlstroem Oy

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.)

1994-10-13

Filing date

1997-04-11

Publication date

1997-06-11

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8541578&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO971682(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1997-04-11 Application filed by Ahlstroem Oy filed Critical Ahlstroem Oy

1997-04-11 Publication of NO971682D0 publication Critical patent/NO971682D0/no

1997-06-11 Publication of NO971682L publication Critical patent/NO971682L/no

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
- D21C9/001—Modification of pulp properties
- 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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp

Landscapes

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

NO971682A 1994-10-13 1997-04-11 Fremgangsmåte for fjerning av heksenuronsyregrupper i cellulosemasse ved varmebehandling NO971682L (no)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
FI944808A FI102301B (fi)	1994-10-13	1994-10-13	Menetelmä selluloosamassojen käsittelemiseksi
PCT/FI1995/000566 WO1996012063A1 (fr)	1994-10-13	1995-10-12	Procede d'elimination de groupes d'acide hexenuronique dans de la pate de cellulose par traitement thermique

Publications (2)

Publication Number	Publication Date
NO971682D0 NO971682D0 (no)	1997-04-11
NO971682L true NO971682L (no)	1997-06-11

Family

ID=8541578

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO971682A NO971682L (no)	1994-10-13	1997-04-11	Fremgangsmåte for fjerning av heksenuronsyregrupper i cellulosemasse ved varmebehandling

Country Status (14)

Country	Link
EP (1)	EP0786029B1 (fr)
CN (1)	CN1075143C (fr)
AU (1)	AU3655995A (fr)
CA (1)	CA2160430C (fr)
DE (1)	DE69517532D1 (fr)
ES (1)	ES2147303T3 (fr)
FI (2)	FI102301B (fr)
NO (1)	NO971682L (fr)
NZ (1)	NZ293983A (fr)
PT (1)	PT786029E (fr)
RU (1)	RU2126862C1 (fr)
SE (1)	SE518080C2 (fr)
WO (1)	WO1996012063A1 (fr)
ZA (1)	ZA958655B (fr)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI105701B (fi) *	1995-10-20	2000-09-29	Ahlstrom Machinery Oy	Menetelmä ja laitteisto massan käsittelemiseksi
US6331354B1 (en)	1996-08-23	2001-12-18	Weyerhaeuser Company	Alkaline pulp having low average degree of polymerization values and method of producing the same
US6235392B1 (en)	1996-08-23	2001-05-22	Weyerhaeuser Company	Lyocell fibers and process for their preparation
US6605350B1 (en)	1996-08-23	2003-08-12	Weyerhaeuser Company	Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same
US6306334B1 (en)	1996-08-23	2001-10-23	The Weyerhaeuser Company	Process for melt blowing continuous lyocell fibers
US6210801B1 (en)	1996-08-23	2001-04-03	Weyerhaeuser Company	Lyocell fibers, and compositions for making same
US6221487B1 (en)	1996-08-23	2001-04-24	The Weyerhauser Company	Lyocell fibers having enhanced CV properties
BE1010677A3 (fr) *	1996-10-11	1998-11-03	Solvay Interox	Procede de delignification et de blanchiment de pate a papier chimique.
BE1010880A3 (fr) *	1997-01-27	1999-02-02	Solvay Interox	Procede de fabrication de pate a papier chimique.
FI122654B (fi) *	1997-12-08	2012-05-15	Ovivo Luxembourg Sarl	Menetelmä paperisellumassan valmistamiseksi
FI119383B (fi) *	1998-03-06	2008-10-31	Andritz Oy	Menetelmä massan käsittelemiseksi
US6685856B2 (en)	1999-02-24	2004-02-03	Weyerhaeuser Company	Use of thinnings and other low specific gravity wood for lyocell products method
US6797113B2 (en)	1999-02-24	2004-09-28	Weyerhaeuser Company	Use of thinnings and other low specific gravity wood for lyocell pulps method
US6686040B2 (en)	1999-02-24	2004-02-03	Weyerhaeuser Company	Use of thinnings and other low specific gravity wood for lyocell products
US6686039B2 (en)	1999-02-24	2004-02-03	Weyerhaeuser Company	Use of thinnings and other low specific gravity wood for lyocell pulps
WO2000075420A1 (fr) *	1999-06-08	2000-12-14	Eastern Pulp And Paper Corporation	Blanchiment d'une pulpe a l'oxygene sous haute pression
SE516090C2 (sv) *	2000-05-31	2001-11-19	Kvaerner Pulping Tech	Förfarande för reglering av en process för tillverkning av pappersmassa genom optisk mätning av mängden hexenuronsyra
JP4603298B2 (ja) *	2004-06-08	2010-12-22	日本製紙株式会社	パルプの漂白方法
US20060201642A1 (en) *	2005-03-08	2006-09-14	Andritz Inc.	Methods of treating chemical cellulose pulp
FI122626B (fi) *	2006-03-31	2012-04-30	Laennen Tutkimus Western Res Inc Oy	Kemiallisen massan valkaisumenetelmä
US20070240837A1 (en) *	2006-04-13	2007-10-18	Andritz Inc.	Hardwood alkaline pulping processes and systems
ZA200805042B (en) *	2007-06-18	2009-09-30	Andritz Inc	Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone
US8262856B2 (en)	2007-06-18	2012-09-11	Andritz Inc.	Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone
CN102995478B (zh) *	2011-09-09	2015-04-15	吉林化纤集团有限责任公司	一种制备高质量低污染竹材溶解浆的漂白方法
FI123926B (en)	2012-04-03	2013-12-13	Upm Kymmene Corp	Pulp bleaching procedure
CN105518212B (zh) *	2013-09-11	2018-09-04	日本制纸株式会社	溶解牛皮纸浆的制造方法
US20150184338A1 (en)	2013-12-31	2015-07-02	Weyerhaeuser Nr Company	Treated kraft pulp compositions and methods of making the same
CN104404807A (zh) *	2014-09-23	2015-03-11	广西大学	一种减少蔗渣浆二氧化氯漂白过程aox形成量的方法
FI128736B (en) *	2018-03-09	2020-11-13	Valmet Automation Oy	Method and measuring device for measuring the suspension
CN110258160A (zh) *	2019-07-23	2019-09-20	广西大学	一种安全节能高效的高温二氧化氯纸浆漂白方法及漂白装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR1601408A (fr) *	1967-06-20	1970-08-24
SU1514855A1 (ru) *	1987-05-15	1989-10-15	Институт Органической Химии Ан Киргсср	Способ получени целлюлозы дл химической переработки
SE466061B (sv) *	1990-04-23	1991-12-09	Eka Nobel Ab	Blekning av kemisk massa genom behandling med foerst ett komplexbildande aemne och sedan ett peroxidinnehaallande aemne
SE470065C (sv) *	1991-04-30	1996-01-15	Eka Nobel Ab	Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning
FI89613C (fi) *	1991-12-05	1993-10-25	Valtion Teknillinen	Foerfarande foer enzymatisk behandling av cellulosamassor

1994
- 1994-10-13 FI FI944808A patent/FI102301B/fi active
1995
- 1995-10-12 FI FI971508A patent/FI971508A0/fi unknown
- 1995-10-12 RU RU97107353A patent/RU2126862C1/ru active
- 1995-10-12 EP EP95934164A patent/EP0786029B1/fr not_active Revoked
- 1995-10-12 DE DE69517532T patent/DE69517532D1/de not_active Expired - Lifetime
- 1995-10-12 ES ES95934164T patent/ES2147303T3/es not_active Expired - Lifetime
- 1995-10-12 CN CN95196599A patent/CN1075143C/zh not_active Expired - Lifetime
- 1995-10-12 WO PCT/FI1995/000566 patent/WO1996012063A1/fr not_active Ceased
- 1995-10-12 AU AU36559/95A patent/AU3655995A/en not_active Abandoned
- 1995-10-12 CA CA002160430A patent/CA2160430C/fr not_active Expired - Lifetime
- 1995-10-12 NZ NZ293983A patent/NZ293983A/en not_active IP Right Cessation
- 1995-10-12 PT PT95934164T patent/PT786029E/pt unknown
- 1995-10-13 SE SE9503595A patent/SE518080C2/sv not_active IP Right Cessation
- 1995-10-13 ZA ZA958655A patent/ZA958655B/xx unknown
1997
- 1997-04-11 NO NO971682A patent/NO971682L/no not_active Application Discontinuation

Also Published As

Publication number	Publication date
CN1075143C (zh)	2001-11-21
RU2126862C1 (ru)	1999-02-27
SE9503595D0 (sv)	1995-10-13
FI971508L (fi)	1997-04-10
NO971682D0 (no)	1997-04-11
WO1996012063A1 (fr)	1996-04-25
EP0786029B1 (fr)	2000-06-14
SE9503595L (sv)	1996-04-14
FI944808A0 (fi)	1994-10-13
PT786029E (pt)	2000-09-29
JP3534412B2 (ja)	2004-06-07
FI944808L (fi)	1996-04-14
JPH10508346A (ja)	1998-08-18
AU3655995A (en)	1996-05-06
FI102301B1 (fi)	1998-11-13
FI971508A7 (fi)	1997-04-10
CN1168706A (zh)	1997-12-24
ZA958655B (en)	1996-05-13
SE518080C2 (sv)	2002-08-20
EP0786029A1 (fr)	1997-07-30
DE69517532D1 (de)	2000-07-20
FI971508A0 (fi)	1997-04-10
CA2160430A1 (fr)	1996-04-14
ES2147303T3 (es)	2000-09-01
NZ293983A (en)	1999-04-29
FI102301B (fi)	1998-11-13
CA2160430C (fr)	2004-12-07

Publication	Publication Date	Title
NO971682L (no)	1997-06-11	Fremgangsmåte for fjerning av heksenuronsyregrupper i cellulosemasse ved varmebehandling
NO971468D0 (no)	1997-04-01	Fremgangsmåte ved behandling av næringsrikt vann
FI961901A7 (fi)	1996-05-03	Menetelmä selluloosakuitujen valmistamiseksi
NO992854D0 (no)	1999-06-11	FremgangsmÕte ved behandling av celluloseformlegemer
FI945376L (fi)	1996-05-16	Menetelmä liuosten värin poistamiseksi
DE69506465D1 (de)	1999-01-21	Verfahren zur Verminderung der Fluoreszenz in entfärbtem Zellstoff
FI953197A7 (fi)	1995-12-31	Menetelmä aminoitujen kuitujen valmistamiseksi regeneroidusta selluloosasta
FI973173L (fi)	1997-07-31	Menetelmä kondensaatin käsittelemiseksi
FI970961A7 (fi)	1997-03-13	Menetelmä ja laite selluloosamassan valmistamiseksi jatkuvatoimisesti
FI964632A7 (fi)	1997-01-14	Menetelmä metalliyhdisteiden poistamiseksi lignoselluloosasulpusta
DE69308885D1 (de)	1997-04-17	Schnelles wärmebehandlungsverfahren für polybenzazolfasern
EP0938296A4 (fr)	2002-01-16	Methode de traitement de l'alopecie
FI971922L (fi)	1997-05-06	Menetelmä selluloosan talteenottamiseksi
NO986041D0 (no)	1998-12-22	FremgangsmÕte ved behandling av plantesykdom
FI964715A7 (fi)	1998-05-27	Menetelmä selluloosamassan valkaisemiseksi
FI970419L (fi)	1997-08-03	Menetelmä selluloosamassan valmistamiseksi
FI941207A7 (fi)	1995-09-16	Menetelmä ja laite viherlipeän käsittelemiseksi
FI943694A0 (fi)	1994-08-10	Menetelmä ja laite jätelipeän käsittelemiseksi
KR960702345A (ko)	1996-04-27	아산화질소의 제거 방법 [process for removing nitrous oxide]
FI950200A7 (fi)	1995-09-17	Menetelmä massan valkaisemiseksi
NO951834L (no)	1995-12-04	Fremgangsmåte for törking av trevirke
FI942617L (fi)	1995-06-12	Menetelmä paperinvalmistusprosessissa
FI883932A7 (fi)	1988-08-25	Menetelmä selluloosamassan käsittelemiseksi otsonin avulla.
FI974475A7 (fi)	1998-02-19	Menetelmä ja laite massan käsittelemiseksi epäsuorassa lämmönvaihtimessa kuidutuksen jälkeen
BR9505211A (pt)	1997-09-16	Método tratamento de polpas de celulose

Legal Events

Date	Code	Title	Description
2006-10-16	FC2A	Withdrawal, rejection or dismissal of laid open patent application