ATE476546T1 - Vorbehandlung von schnitzeln mit weisslauge vor einer behandlung mit schwarzlauge - Google Patents
Vorbehandlung von schnitzeln mit weisslauge vor einer behandlung mit schwarzlaugeInfo
- Publication number
- ATE476546T1 ATE476546T1 AT02792143T AT02792143T ATE476546T1 AT E476546 T1 ATE476546 T1 AT E476546T1 AT 02792143 T AT02792143 T AT 02792143T AT 02792143 T AT02792143 T AT 02792143T AT E476546 T1 ATE476546 T1 AT E476546T1
- Authority
- AT
- Austria
- Prior art keywords
- treatment
- lye
- rich
- temperature
- white liquor
- Prior art date
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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
Landscapes
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Rigid Pipes And Flexible Pipes (AREA)
- Tires In General (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE0104247A SE0104247L (sv) | 2001-12-14 | 2001-12-14 | Förbehandling av flis med färsk vitlut före behandling med svartlut |
PCT/SE2002/002317 WO2003057979A1 (en) | 2001-12-14 | 2002-12-13 | Pretreatment of chips with white liquor prior to a treatment with black liquor |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE476546T1 true ATE476546T1 (de) | 2010-08-15 |
Family
ID=20286349
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT02792143T ATE476546T1 (de) | 2001-12-14 | 2002-12-13 | Vorbehandlung von schnitzeln mit weisslauge vor einer behandlung mit schwarzlauge |
Country Status (9)
Country | Link |
---|---|
US (1) | US7270725B2 (de) |
EP (1) | EP1458927B1 (de) |
JP (1) | JP4280636B2 (de) |
AT (1) | ATE476546T1 (de) |
AU (1) | AU2002362176A1 (de) |
BR (1) | BR0214922B1 (de) |
DE (1) | DE60237231D1 (de) |
SE (1) | SE0104247L (de) |
WO (1) | WO2003057979A1 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE0104247L (sv) * | 2001-12-14 | 2002-10-22 | Kvaerner Pulping Tech | Förbehandling av flis med färsk vitlut före behandling med svartlut |
SE518993E (sv) * | 2002-01-24 | 2009-08-28 | Metso Paper Sweden Ab | Framställning av cellulosamassa genom kokning med en kokvätska innehållande förindunstad svartlut |
SE526704C2 (sv) * | 2003-12-30 | 2005-10-25 | Kvaerner Pulping Tech | Matning av cellulosaflis från en lågtrycksdel till en högtrycksdel med en slussmatare |
SE0401870D0 (sv) * | 2004-07-15 | 2004-07-15 | Kvaerner Pulping Tech | Förfarande för impregnering av flis |
AU2010202496B2 (en) * | 2010-05-04 | 2015-04-16 | Bahia Specialty Cellulose Sa | Method and system for high alpha dissolving pulp production |
KR20110123184A (ko) | 2010-05-06 | 2011-11-14 | 바히아 스페셜티 셀룰로스 에스에이 | 높은 알파 용해 펄프 제조를 위한 방법 및 시스템 |
PT2567022E (pt) * | 2010-05-04 | 2014-12-23 | Bahia Specialty Cellulose Sa | Método e sistema para processamento de pasta utilizando extracção cáustica a frio com reutilização de filtrado alcalino |
FI127420B (fi) | 2011-06-23 | 2018-05-31 | Andritz Oy | Menetelmä selluloosamassan valmistamiseksi |
JP5989777B2 (ja) | 2011-08-30 | 2016-09-07 | ヴァルメト アクチボラグ | ポリスルフィド蒸煮液を用いたクラフト蒸煮法 |
US9580864B2 (en) | 2011-08-30 | 2017-02-28 | Valmet Ab | Kraft cooking method using polysulfide cooking liquor |
US8709204B1 (en) * | 2013-03-14 | 2014-04-29 | Veolia Water Solutions & Technologies North America Inc. | System and process for recovering heat from weak black liquor in a wood pulping process |
JP6329705B2 (ja) * | 2014-08-26 | 2018-05-23 | ヴァルメト アクチボラグ | ポリスルフィド蒸煮液を用いたコスト効率の良いクラフト蒸煮法 |
CN113106769A (zh) * | 2021-04-30 | 2021-07-13 | 沁阳市中澳生物科技有限公司 | 一种新型清洁造纸制浆方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2175154A (en) * | 1935-06-26 | 1939-10-03 | Chemipulp Process Inc | Method for treating cellulosic material |
US3303088A (en) * | 1963-04-19 | 1967-02-07 | Lummus Co | Continuous liquid-phase rapid pulping |
SE468053B (sv) * | 1988-12-20 | 1992-10-26 | Kamyr Ab | Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial |
FI82079C (fi) * | 1989-04-27 | 1993-05-11 | Poeyry Jaakko & Co Oy | Foerfarande och anordning foer kontinuerlig kokning av cellulosa |
SE9403978L (sv) * | 1994-11-15 | 1995-11-06 | Kvaerner Pulping Tech | Svartlutsimpregnering i enkärlshydraulkokare |
US5635026A (en) * | 1995-11-13 | 1997-06-03 | Ahlstrom Machinery Inc. | Cooking cellulose material with high alkali concentrations and/or high pH |
US5736006A (en) * | 1996-10-10 | 1998-04-07 | Ahlstrom Machinery Inc. | Method and apparatus for pulping with controlled heating to improve delignification and pulp strength |
SE510706C2 (sv) * | 1997-10-16 | 1999-06-14 | Kvaerner Pulping Tech | Processystem och förfarande för impregnering och basning av flis innan massakokning |
FI122654B (fi) * | 1997-12-08 | 2012-05-15 | Ovivo Luxembourg Sarl | Menetelmä paperisellumassan valmistamiseksi |
FI20002587A (fi) * | 2000-11-24 | 2002-05-25 | Metso Paper Inc | Alkalinen keittomenetelmä kuitumateriaalille |
SE0104247L (sv) * | 2001-12-14 | 2002-10-22 | Kvaerner Pulping Tech | Förbehandling av flis med färsk vitlut före behandling med svartlut |
-
2001
- 2001-12-14 SE SE0104247A patent/SE0104247L/ not_active IP Right Cessation
-
2002
- 2002-12-13 EP EP02792143A patent/EP1458927B1/de not_active Expired - Lifetime
- 2002-12-13 AU AU2002362176A patent/AU2002362176A1/en not_active Abandoned
- 2002-12-13 BR BRPI0214922-2A patent/BR0214922B1/pt not_active IP Right Cessation
- 2002-12-13 DE DE60237231T patent/DE60237231D1/de not_active Expired - Lifetime
- 2002-12-13 US US10/497,346 patent/US7270725B2/en not_active Expired - Fee Related
- 2002-12-13 AT AT02792143T patent/ATE476546T1/de not_active IP Right Cessation
- 2002-12-13 JP JP2003558264A patent/JP4280636B2/ja not_active Expired - Fee Related
- 2002-12-13 WO PCT/SE2002/002317 patent/WO2003057979A1/en active Application Filing
Also Published As
Publication number | Publication date |
---|---|
SE518538C2 (sv) | 2002-10-22 |
WO2003057979A1 (en) | 2003-07-17 |
JP4280636B2 (ja) | 2009-06-17 |
DE60237231D1 (de) | 2010-09-16 |
JP2005514535A (ja) | 2005-05-19 |
BR0214922B1 (pt) | 2012-12-11 |
AU2002362176A1 (en) | 2003-07-24 |
SE0104247D0 (sv) | 2001-12-14 |
EP1458927B1 (de) | 2010-08-04 |
EP1458927A1 (de) | 2004-09-22 |
SE0104247L (sv) | 2002-10-22 |
BR0214922A (pt) | 2004-11-30 |
US20050103454A1 (en) | 2005-05-19 |
US7270725B2 (en) | 2007-09-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |