FI960214A - Menetelmä ja laitteisto massan käsittelemiseksi - Google Patents
Menetelmä ja laitteisto massan käsittelemiseksi Download PDFInfo
- Publication number
- FI960214A FI960214A FI960214A FI960214A FI960214A FI 960214 A FI960214 A FI 960214A FI 960214 A FI960214 A FI 960214A FI 960214 A FI960214 A FI 960214A FI 960214 A FI960214 A FI 960214A
- Authority
- FI
- Finland
- Prior art keywords
- pulp
- treatment
- reduce
- order
- kappa number
- Prior art date
Links
- 239000002253 acid Substances 0.000 abstract 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract 1
- 238000004061 bleaching Methods 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 229910052760 oxygen Inorganic materials 0.000 abstract 1
- 239000001301 oxygen Substances 0.000 abstract 1
- 230000003313 weakening effect Effects 0.000 abstract 1
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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI955878A FI105701B (fi) | 1995-10-20 | 1995-12-07 | Menetelmä ja laitteisto massan käsittelemiseksi |
FI960214A FI104574B (fi) | 1995-10-20 | 1996-01-07 | Menetelmä ja laitteisto massan käsittelemiseksi |
PCT/FI1996/000552 WO1997015713A1 (en) | 1995-10-20 | 1996-10-18 | Acid treatment of pulp at high temperature in connection with bleaching |
EP96934841A EP0856080B1 (en) | 1995-10-20 | 1996-10-18 | Acid treatment of pulp at high temperature in connection with bleaching |
AU73016/96A AU7301696A (en) | 1995-10-20 | 1996-10-18 | Acid treatment of pulp at high temperature in connection with bleaching |
PT96934841T PT856080E (pt) | 1995-10-20 | 1996-10-18 | Tratamento acido da pasta de papel a alta temperatura em combinacao com o branqueamento |
DE69613989T DE69613989D1 (de) | 1995-10-20 | 1996-10-18 | Hochtemperatur-säurebehandlung von zellstoff beim bleichen |
ES96934841T ES2158355T3 (es) | 1995-10-20 | 1996-10-18 | Tratamiento acido de la pasta de papel a alta temperatura en relacion con el blanqueo. |
AT96934841T ATE203291T1 (de) | 1995-10-20 | 1996-10-18 | Hochtemperatur-säurebehandlung von zellstoff beim bleichen |
BR9611258A BR9611258A (pt) | 1995-10-20 | 1996-10-18 | Tratamento ácido de polpa a alta temperatura em conexão com alvejamento |
US09/051,678 US6306253B2 (en) | 1995-10-20 | 1996-10-18 | Acid treatment of pulp at high temperature prior to chlorine dioxide bleaching |
CA002235325A CA2235325C (en) | 1995-10-20 | 1996-10-18 | Acid treatment of pulp at high temperature in connection with bleaching |
US09/793,652 US20010020521A1 (en) | 1995-10-20 | 2001-02-27 | Acid treatment of pulp at high temperature in connection with bleaching |
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI955007A FI102193B (fi) | 1995-10-20 | 1995-10-20 | Menetelmä ja laitteisto massan käsittelemiseksi |
FI955007 | 1995-10-20 | ||
SE9504147A SE516693C2 (sv) | 1995-10-20 | 1995-11-21 | Förfarande och apparatsystem för behandling av cellulosamassa med syra för sänkande av dess kappatal |
SE9504147 | 1995-11-21 | ||
FI955878A FI105701B (fi) | 1995-10-20 | 1995-12-07 | Menetelmä ja laitteisto massan käsittelemiseksi |
FI955878 | 1995-12-07 | ||
FI960214A FI104574B (fi) | 1995-10-20 | 1996-01-07 | Menetelmä ja laitteisto massan käsittelemiseksi |
FI960214 | 1996-01-07 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI960214A0 FI960214A0 (fi) | 1996-01-17 |
FI960214A true FI960214A (fi) | 1997-04-21 |
FI104574B FI104574B (fi) | 2000-02-29 |
Family
ID=27444250
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI955878A FI105701B (fi) | 1995-10-20 | 1995-12-07 | Menetelmä ja laitteisto massan käsittelemiseksi |
FI960214A FI104574B (fi) | 1995-10-20 | 1996-01-07 | Menetelmä ja laitteisto massan käsittelemiseksi |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI955878A FI105701B (fi) | 1995-10-20 | 1995-12-07 | Menetelmä ja laitteisto massan käsittelemiseksi |
Country Status (11)
Country | Link |
---|---|
US (2) | US6306253B2 (fi) |
EP (1) | EP0856080B1 (fi) |
AT (1) | ATE203291T1 (fi) |
AU (1) | AU7301696A (fi) |
BR (1) | BR9611258A (fi) |
CA (1) | CA2235325C (fi) |
DE (1) | DE69613989D1 (fi) |
ES (1) | ES2158355T3 (fi) |
FI (2) | FI105701B (fi) |
PT (1) | PT856080E (fi) |
WO (1) | WO1997015713A1 (fi) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
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 |
FI119383B (fi) * | 1998-03-06 | 2008-10-31 | Andritz Oy | Menetelmä massan käsittelemiseksi |
BE1012675A6 (fr) * | 1999-05-11 | 2001-02-06 | Solvay | Procede de blanchiment de pate a papier. |
US6797113B2 (en) | 1999-02-24 | 2004-09-28 | Weyerhaeuser Company | Use of thinnings and other low specific gravity wood for lyocell pulps method |
US6686039B2 (en) | 1999-02-24 | 2004-02-03 | Weyerhaeuser Company | Use of thinnings and other low specific gravity wood for lyocell pulps |
US6686040B2 (en) | 1999-02-24 | 2004-02-03 | Weyerhaeuser Company | Use of thinnings and other low specific gravity wood for lyocell products |
US6685856B2 (en) | 1999-02-24 | 2004-02-03 | Weyerhaeuser Company | Use of thinnings and other low specific gravity wood for lyocell products method |
US20030131958A1 (en) * | 2001-11-30 | 2003-07-17 | Thomas Jaschinski | Use of ozone for increasing the wet strength of paper and nonwoven |
GB2382592A (en) * | 2001-11-30 | 2003-06-04 | Sca Hygiene Prod Gmbh | Use of ozone to enhance the wet strength of fibrous cellulosic material |
US20050051288A1 (en) * | 2003-09-09 | 2005-03-10 | Caifang Yin | Extended retention and medium consistency pulp treatment |
US8262850B2 (en) * | 2003-09-23 | 2012-09-11 | International Paper Company | Chemical activation and refining of southern pine kraft fibers |
SE526241C2 (sv) * | 2003-12-18 | 2005-08-02 | Metso Paper Inc | Förfarande för att surgöra lignocellulosahaltig massa före ozonblekning |
EP1790771A4 (en) * | 2004-06-08 | 2012-10-03 | Jujo Paper Co Ltd | METHOD FOR WHITENING PULP |
PL2527531T3 (pl) | 2005-05-02 | 2015-01-30 | Int Paper Co | Materiały lignocelulozowe i uzyskiwane z nich produkty |
US7914776B2 (en) * | 2005-10-07 | 2011-03-29 | Adolor Corporation | Solid dispersions of opioid antagonists |
EP1811080A1 (en) * | 2006-01-24 | 2007-07-25 | Solvay SA | Process for the bleaching of mechanical paper pulp |
FI122626B (fi) * | 2006-03-31 | 2012-04-30 | Laennen Tutkimus Western Res Inc Oy | Kemiallisen massan valkaisumenetelmä |
FI123102B (fi) | 2006-03-31 | 2012-11-15 | Laennen Tutkimus Western Res Inc Oy | Kemiallisen massan valkaisumenetelmä |
FR2910027B1 (fr) | 2006-12-13 | 2009-11-06 | Itt Mfg Enterprises Inc | Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature |
CA2678466A1 (en) * | 2007-02-21 | 2008-08-28 | Solvay (Societe Anonyme) | Process for the bleaching of paper pulp |
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 |
US9512237B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Method for inhibiting the growth of microbes with a modified cellulose fiber |
RU2683654C2 (ru) | 2009-05-28 | 2019-04-01 | ДжиПи СЕЛЛЬЮЛОУС ГМБХ | Модифицированная целлюлоза из химического крафт-волокна и способы его изготовления и использования |
US9512563B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Surface treated modified cellulose from chemical kraft fiber and methods of making and using same |
US9511167B2 (en) | 2009-05-28 | 2016-12-06 | Gp Cellulose Gmbh | Modified cellulose from chemical kraft fiber and methods of making and using the same |
RU2671653C2 (ru) | 2013-03-14 | 2018-11-06 | ДжиПи СЕЛЛЬЮЛОУС ГМБХ | Способ изготовления высокофункционального маловязкого крафтволокна с использованием последовательности кислотного отбеливания и волокно, изготовленное с помощью этого процесса |
JP6521873B2 (ja) | 2013-03-15 | 2019-05-29 | ゲーペー ツェルローゼ ゲーエムベーハー | 増強されたカルボキシル含量を有する低粘度クラフト繊維ならびにその製造方法および使用方法 |
EP3541849B1 (en) | 2016-11-16 | 2023-11-15 | GP Cellulose GmbH | Modified cellulose from chemical fiber and methods of making and using the same |
WO2018175135A1 (en) | 2017-03-21 | 2018-09-27 | International Paper Company | Odor control pulp composition |
JP7229904B2 (ja) * | 2019-11-29 | 2023-02-28 | 東京エレクトロン株式会社 | プラズマ処理装置における載置台のクリーニング方法およびプラズマ処理装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE225253C1 (fi) | 1969-02-25 | |||
GB1062734A (en) | 1963-03-21 | 1967-03-22 | Mo Och Domsjoe Ab | Improvements in or relating to bleaching cellulose pulp |
US3507743A (en) | 1965-02-23 | 1970-04-21 | Fmc Corp | Bleaching of wood pulps with reductive bleaching agents and thiourea |
US3992248A (en) | 1969-05-19 | 1976-11-16 | Stadler Hurter Limited | Continuous feeding system for treatment towers |
NO152907C (no) * | 1983-06-29 | 1985-12-11 | Peterson & Son As M | Fremgangsmaate til delignifisering av kjemisk masse. |
SE452345B (sv) | 1984-04-02 | 1987-11-23 | Kamyr Ab | Anordning for fordelning av suspension vid dess inforande i behandlingskerl |
US5089089A (en) * | 1984-12-31 | 1992-02-18 | Bear Island Paper Company | System for sulfonating mechanical pulp fibers |
US5034095A (en) | 1989-06-01 | 1991-07-23 | Oji Paper Co., Ltd. | Apparatus and process for the delignification of cellulose pulp |
FR2655668B1 (fr) * | 1989-12-11 | 1995-06-09 | Du Pin Cellulose | Procede de blanchiment de pates cellulosiques chimiques. |
SE470065C (sv) * | 1991-04-30 | 1995-10-12 | Eka Nobel Ab | Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning |
US5372679A (en) | 1992-06-08 | 1994-12-13 | Air Products And Chemicals, Inc. | Reactor system for treating cellulosic pulp at a constant upward flow velocity |
US5785812A (en) | 1992-11-27 | 1998-07-28 | Eka Nobel Ab | Process for treating oxygen delignified pulp using an organic peracid or salt, complexing agent and peroxide bleach sequence |
DE69420306T2 (de) * | 1993-04-20 | 2000-04-20 | Eka Chemicals Ab Bohus | Verfahren zum Bleichen von Lignozellulose-enthaltendem Zellstoff |
BE1007700A3 (fr) * | 1993-11-04 | 1995-10-03 | Solvay Interox | Procede pour le blanchiment d'une pate a papier chimique. |
FI98839B (fi) | 1994-03-16 | 1997-05-15 | Ahlstrom Machinery Oy | Menetelmä massan valkaisemiseksi |
US5438737A (en) * | 1994-04-14 | 1995-08-08 | National Molding Corporation | Snap closure type buckle with quick release |
SE502135C2 (sv) | 1994-08-16 | 1995-08-28 | Kvaerner Pulping Tech | Bleksekvens för kemisk massa innefattande ett sulfonerande bleksteg |
FI102301B1 (fi) | 1994-10-13 | 1998-11-13 | Ahlstrom Machinery Oy | Menetelmä selluloosamassojen käsittelemiseksi |
US6736934B1 (en) * | 1995-02-17 | 2004-05-18 | Andritz Oy | Method of pretreating pulp in an acid tower prior to bleaching with peroxide |
-
1995
- 1995-12-07 FI FI955878A patent/FI105701B/fi active
-
1996
- 1996-01-07 FI FI960214A patent/FI104574B/fi active
- 1996-10-18 CA CA002235325A patent/CA2235325C/en not_active Expired - Fee Related
- 1996-10-18 US US09/051,678 patent/US6306253B2/en not_active Expired - Lifetime
- 1996-10-18 EP EP96934841A patent/EP0856080B1/en not_active Expired - Lifetime
- 1996-10-18 ES ES96934841T patent/ES2158355T3/es not_active Expired - Lifetime
- 1996-10-18 AU AU73016/96A patent/AU7301696A/en not_active Abandoned
- 1996-10-18 DE DE69613989T patent/DE69613989D1/de not_active Expired - Lifetime
- 1996-10-18 PT PT96934841T patent/PT856080E/pt unknown
- 1996-10-18 BR BR9611258A patent/BR9611258A/pt not_active IP Right Cessation
- 1996-10-18 AT AT96934841T patent/ATE203291T1/de active
- 1996-10-18 WO PCT/FI1996/000552 patent/WO1997015713A1/en active IP Right Grant
-
2001
- 2001-02-27 US US09/793,652 patent/US20010020521A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CA2235325A1 (en) | 1997-05-01 |
FI105701B (fi) | 2000-09-29 |
WO1997015713A1 (en) | 1997-05-01 |
ES2158355T3 (es) | 2001-09-01 |
FI104574B (fi) | 2000-02-29 |
FI955878A (fi) | 1997-04-21 |
DE69613989D1 (de) | 2001-08-23 |
CA2235325C (en) | 2006-02-14 |
EP0856080A1 (en) | 1998-08-05 |
US20010004005A1 (en) | 2001-06-21 |
PT856080E (pt) | 2001-11-30 |
FI955878A0 (fi) | 1995-12-07 |
FI960214A0 (fi) | 1996-01-17 |
BR9611258A (pt) | 1999-07-13 |
US6306253B2 (en) | 2001-10-23 |
US20010020521A1 (en) | 2001-09-13 |
EP0856080B1 (en) | 2001-07-18 |
AU7301696A (en) | 1997-05-15 |
ATE203291T1 (de) | 2001-08-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GB | Transfer or assigment of application |
Owner name: AHLSTROM MACHINERY OY |
|
RF | Appeal filed | ||
FCK | Appeal rejected |