FI102301B1 - Menetelmä selluloosamassojen käsittelemiseksi - Google Patents

Menetelmä selluloosamassojen käsittelemiseksi

Info

Publication number
FI102301B1
FI102301B1 FI944808A FI944808A FI102301B1 FI 102301 B1 FI102301 B1 FI 102301B1 FI 944808 A FI944808 A FI 944808A FI 944808 A FI944808 A FI 944808A FI 102301 B1 FI102301 B1 FI 102301B1
Authority
FI
Finland
Prior art keywords
cellulose pulp
treating cellulose
treating
pulp
cellulose
Prior art date
Application number
FI944808A
Other languages
English (en)
Swedish (sv)
Other versions
FI944808A0 (fi
FI944808A (fi
FI102301B (fi
Inventor
Tapani Vuorinen
Johanna Buchert
Anita Teleman
Maija Tenkanen
Original Assignee
Ahlstrom Machinery 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.)
Filing date
Publication date
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=FI102301(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ahlstrom Machinery Oy filed Critical Ahlstrom Machinery Oy
Priority to FI944808A priority Critical patent/FI102301B1/fi
Publication of FI944808A0 publication Critical patent/FI944808A0/fi
Priority to PCT/FI1995/000566 priority patent/WO1996012063A1/en
Priority to PT95934164T priority patent/PT786029E/pt
Priority to CA002160430A priority patent/CA2160430C/en
Priority to EP95934164A priority patent/EP0786029B1/en
Priority to DE69517532T priority patent/DE69517532D1/de
Priority to CN95196599A priority patent/CN1075143C/zh
Priority to JP1996512965A priority patent/JP3534412B6/ja
Priority to ES95934164T priority patent/ES2147303T3/es
Priority to RU97107353A priority patent/RU2126862C1/ru
Priority to AU36559/95A priority patent/AU3655995A/en
Priority to NZ293983A priority patent/NZ293983A/en
Priority to ZA958655A priority patent/ZA958655B/xx
Priority to SE9503595A priority patent/SE518080C2/sv
Publication of FI944808A publication Critical patent/FI944808A/fi
Priority to FI971508A priority patent/FI971508A/fi
Priority to NO971682A priority patent/NO971682L/no
Priority to US08/925,321 priority patent/US6776876B1/en
Publication of FI102301B publication Critical patent/FI102301B/fi
Publication of FI102301B1 publication Critical patent/FI102301B1/fi
Application granted granted Critical

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
    • D21C9/001—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)
FI944808A 1994-10-13 1994-10-13 Menetelmä selluloosamassojen käsittelemiseksi FI102301B1 (fi)

Priority Applications (17)

Application Number Priority Date Filing Date Title
FI944808A FI102301B1 (fi) 1994-10-13 1994-10-13 Menetelmä selluloosamassojen käsittelemiseksi
NZ293983A NZ293983A (en) 1994-10-13 1995-10-12 Treatment of sulphate pulp at acidic ph and elevated temperature to remove hexenuronic acid
RU97107353A RU2126862C1 (ru) 1994-10-13 1995-10-12 Способ удаления групп гексенуроновых кислот из целлюлозы путем термообработки
AU36559/95A AU3655995A (en) 1994-10-13 1995-10-12 Method for removal of hexenuronic acid groups in cellulose pulp by heat treatment
CA002160430A CA2160430C (en) 1994-10-13 1995-10-12 Method of treating cellulose pulps
EP95934164A EP0786029B1 (en) 1994-10-13 1995-10-12 Method for removal of hexenuronic acid groups in cellulose pulp by heat treatment
DE69517532T DE69517532D1 (de) 1994-10-13 1995-10-12 Verfahren zum entfernen von hexenuronsäuregruppen in zellstoffbrei durch wärmebehandlung
CN95196599A CN1075143C (zh) 1994-10-13 1995-10-12 通过热处理除去纤维素纸浆中己烯糖醛酸类的方法
JP1996512965A JP3534412B6 (ja) 1994-10-13 1995-10-12 セルロースパルプ中のヘキセンウロン酸基を熱処理により除去する方法
ES95934164T ES2147303T3 (es) 1994-10-13 1995-10-12 Procedimiento de eliminacion de grupos de acido hexenuronico en la pasta de celulosa mediante tratamiento termico.
PCT/FI1995/000566 WO1996012063A1 (en) 1994-10-13 1995-10-12 Method for removal of hexenuronic acid groups in cellulose pulp by heat treatment
PT95934164T PT786029E (pt) 1994-10-13 1995-10-12 Processo para a remocao de grupos de acido hexeno-uronico em folha de celulose por tratamento termico
SE9503595A SE518080C2 (sv) 1994-10-13 1995-10-13 Behandling av massa med syra för att avlägsna hexenuronsyragrupper
ZA958655A ZA958655B (en) 1994-10-13 1995-10-13 Method of treating cellulose pulps
FI971508A FI971508A (fi) 1994-10-13 1997-04-10 Menetelmä heksenuronihapporyhmien poistamiseksi selluloosamassasta lämpökäsittelyllä
NO971682A NO971682L (no) 1994-10-13 1997-04-11 Fremgangsmåte for fjerning av heksenuronsyregrupper i cellulosemasse ved varmebehandling
US08/925,321 US6776876B1 (en) 1994-10-13 1997-09-08 Method of treating cellulosic pulp to remove hexenuronic acid

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI944808 1994-10-13
FI944808A FI102301B1 (fi) 1994-10-13 1994-10-13 Menetelmä selluloosamassojen käsittelemiseksi

Publications (4)

Publication Number Publication Date
FI944808A0 FI944808A0 (fi) 1994-10-13
FI944808A FI944808A (fi) 1996-04-14
FI102301B FI102301B (fi) 1998-11-13
FI102301B1 true FI102301B1 (fi) 1998-11-13

Family

ID=8541578

Family Applications (2)

Application Number Title Priority Date Filing Date
FI944808A FI102301B1 (fi) 1994-10-13 1994-10-13 Menetelmä selluloosamassojen käsittelemiseksi
FI971508A FI971508A (fi) 1994-10-13 1997-04-10 Menetelmä heksenuronihapporyhmien poistamiseksi selluloosamassasta lämpökäsittelyllä

Family Applications After (1)

Application Number Title Priority Date Filing Date
FI971508A FI971508A (fi) 1994-10-13 1997-04-10 Menetelmä heksenuronihapporyhmien poistamiseksi selluloosamassasta lämpökäsittelyllä

Country Status (14)

Country Link
EP (1) EP0786029B1 (fi)
CN (1) CN1075143C (fi)
AU (1) AU3655995A (fi)
CA (1) CA2160430C (fi)
DE (1) DE69517532D1 (fi)
ES (1) ES2147303T3 (fi)
FI (2) FI102301B1 (fi)
NO (1) NO971682L (fi)
NZ (1) NZ293983A (fi)
PT (1) PT786029E (fi)
RU (1) RU2126862C1 (fi)
SE (1) SE518080C2 (fi)
WO (1) WO1996012063A1 (fi)
ZA (1) ZA958655B (fi)

Families Citing this family (29)

* 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
US6210801B1 (en) 1996-08-23 2001-04-03 Weyerhaeuser Company Lyocell fibers, and compositions for making same
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
US6306334B1 (en) 1996-08-23 2001-10-23 The Weyerhaeuser Company Process for melt blowing continuous lyocell fibers
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
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
US6686040B2 (en) 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell products
US6797113B2 (en) 1999-02-24 2004-09-28 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell pulps method
US6685856B2 (en) 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell products method
US6686039B2 (en) 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell pulps
EP1244840A4 (en) * 1999-06-08 2003-04-16 Eastern Pulp And Paper Corp HIGH PRESSURE OXYGEN BLEACHING OF A PULP
SE0002047L (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
US20070240837A1 (en) * 2006-04-13 2007-10-18 Andritz Inc. Hardwood alkaline pulping processes and systems
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
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
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 (fi) 2012-04-03 2013-12-13 Upm Kymmene Corp Menetelmä sellun valkaisemiseksi
JP6483021B2 (ja) * 2013-09-11 2019-03-13 日本製紙株式会社 溶解クラフトパルプの製造方法
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 (fi) * 2018-03-09 2020-11-13 Valmet Automation Oy Menetelmä ja mittauslaite suspension mittaamiseksi
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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
SE9503595L (sv) 1996-04-14
FI944808A0 (fi) 1994-10-13
EP0786029B1 (en) 2000-06-14
NO971682L (no) 1997-06-11
RU2126862C1 (ru) 1999-02-27
EP0786029A1 (en) 1997-07-30
ES2147303T3 (es) 2000-09-01
NO971682D0 (no) 1997-04-11
AU3655995A (en) 1996-05-06
CN1075143C (zh) 2001-11-21
CA2160430C (en) 2004-12-07
FI944808A (fi) 1996-04-14
PT786029E (pt) 2000-09-29
FI971508A0 (fi) 1997-04-10
FI102301B (fi) 1998-11-13
DE69517532D1 (de) 2000-07-20
CN1168706A (zh) 1997-12-24
FI971508A (fi) 1997-04-10
WO1996012063A1 (en) 1996-04-25
ZA958655B (en) 1996-05-13
CA2160430A1 (en) 1996-04-14
SE9503595D0 (sv) 1995-10-13
NZ293983A (en) 1999-04-29
JPH10508346A (ja) 1998-08-18
JP3534412B2 (ja) 2004-06-07
SE518080C2 (sv) 2002-08-20

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Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: AHLSTROM MACHINERY OY

GB Transfer or assigment of application

Owner name: AHLSTROM MACHINERY OY

GB Transfer or assigment of application

Owner name: AHLSTROM MACHINERY OY

RF Appeal filed
RF Appeal filed
FCK Appeal rejected

Free format text: APPLICATION REJECTED