CA2633800C - A method for manufacturing mechanical pulp - Google Patents
A method for manufacturing mechanical pulp Download PDFInfo
- Publication number
- CA2633800C CA2633800C CA2633800A CA2633800A CA2633800C CA 2633800 C CA2633800 C CA 2633800C CA 2633800 A CA2633800 A CA 2633800A CA 2633800 A CA2633800 A CA 2633800A CA 2633800 C CA2633800 C CA 2633800C
- Authority
- CA
- Canada
- Prior art keywords
- stock
- accepted
- rejected
- pulp
- mechanical pulp
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/14—Disintegrating in mills
- D21B1/16—Disintegrating in mills in the presence of chemical agents
-
- 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
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20065860A FI119062B (fi) | 2006-12-28 | 2006-12-28 | Menetelmä mekaanisen massan valmistamiseksi |
FI20065860 | 2006-12-28 | ||
PCT/FI2007/050721 WO2008081078A1 (en) | 2006-12-28 | 2007-12-27 | A method for manufacturing mechanical pulp |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2633800A1 CA2633800A1 (en) | 2008-06-28 |
CA2633800C true CA2633800C (en) | 2011-08-02 |
Family
ID=37623877
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA2633800A Expired - Fee Related CA2633800C (en) | 2006-12-28 | 2007-12-27 | A method for manufacturing mechanical pulp |
Country Status (9)
Country | Link |
---|---|
US (1) | US20110036523A1 (ja) |
EP (1) | EP2097582A4 (ja) |
JP (1) | JP4882090B2 (ja) |
CN (1) | CN101389808B (ja) |
BR (1) | BRPI0707368A2 (ja) |
CA (1) | CA2633800C (ja) |
FI (1) | FI119062B (ja) |
RU (1) | RU2373313C1 (ja) |
WO (1) | WO2008081078A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI123113B (fi) * | 2008-09-10 | 2012-11-15 | Upm Kymmene Corp | Menetelmä mekaanisen massan valmistamiseksi ja mekaanisen massan käyttö |
FR2937656B1 (fr) * | 2008-10-24 | 2010-11-19 | Arkema France | Procede de fabrication de pate a papier |
JP5729095B2 (ja) * | 2011-03-31 | 2015-06-03 | 日本製紙株式会社 | 広葉樹機械パルプの製造方法 |
FR2980805B1 (fr) | 2011-09-30 | 2013-09-20 | Arkema France | Pretraitement enzymatique de bois dans un procede de fabrication de pate a papier mecanique |
JP5783253B2 (ja) * | 2012-05-21 | 2015-09-24 | 王子ホールディングス株式会社 | 微細繊維および微細繊維含有シートの製造方法 |
CA2824076A1 (en) | 2012-08-21 | 2014-02-21 | University Of New Brunswick | System and method for reclaiming rejects in sulfite pulping |
SE538752C2 (en) * | 2014-11-21 | 2016-11-08 | Innventia Ab | Process for the production of a treated pulp, treated pulp, and textile fibers produced from the treated pulp |
EP3502348B1 (en) * | 2017-12-21 | 2020-06-24 | BillerudKorsnäs AB | Fibre fractionation |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3013932A (en) * | 1958-01-14 | 1961-12-19 | Hawaiian Dev Company Ltd | Printing paper and process of making the same |
NO131996C (ja) | 1973-10-04 | 1975-09-03 | Papirind Forskningsinst | |
FI67412C (fi) | 1977-04-27 | 1985-03-11 | Myrens Verksted As | Foerfarande foer behandling av cellulosahaltig massa |
NO142091C (no) * | 1977-10-17 | 1980-06-25 | Myrens Verksted As | Fremgangsmaate ved ozonbehandling av raffinoermekanisk og termomekanisk masse. |
US4718980A (en) * | 1985-12-30 | 1988-01-12 | Weyerhaeuser Company | Interstage treatment of mechanical pulp |
BR9007533A (pt) * | 1990-05-17 | 1992-04-28 | Union Camp Corp | Processo para fabricacao de polpa alvejada e para deslignificar e alvejar um material lignoscelulosico |
US5503709A (en) * | 1994-07-27 | 1996-04-02 | Burton; Steven W. | Environmentally improved process for preparing recycled lignocellulosic materials for bleaching |
SE520707C2 (sv) * | 2001-12-05 | 2003-08-12 | Metso Paper Inc | Metod och system för behandling av massa vid ozonblekning |
FI121792B (fi) * | 2003-06-30 | 2011-04-15 | Andritz Oy | Menetelmä massan käsittelemiseksi kemiallisen massan valkaisun yhteydessä |
CN1263923C (zh) * | 2004-09-15 | 2006-07-12 | 中国科学院广州化学研究所 | 木塑复合材料用甘蔗渣的超声化学前处理方法 |
-
2006
- 2006-12-28 FI FI20065860A patent/FI119062B/fi not_active IP Right Cessation
-
2007
- 2007-12-27 US US12/158,222 patent/US20110036523A1/en not_active Abandoned
- 2007-12-27 CN CN2007800069607A patent/CN101389808B/zh not_active Expired - Fee Related
- 2007-12-27 EP EP07858372.1A patent/EP2097582A4/en not_active Withdrawn
- 2007-12-27 BR BRPI0707368-2A patent/BRPI0707368A2/pt not_active IP Right Cessation
- 2007-12-27 WO PCT/FI2007/050721 patent/WO2008081078A1/en active Application Filing
- 2007-12-27 CA CA2633800A patent/CA2633800C/en not_active Expired - Fee Related
- 2007-12-27 JP JP2009500882A patent/JP4882090B2/ja not_active Expired - Fee Related
- 2007-12-27 RU RU2008126954/12A patent/RU2373313C1/ru not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
BRPI0707368A2 (pt) | 2011-05-03 |
JP4882090B2 (ja) | 2012-02-22 |
RU2373313C1 (ru) | 2009-11-20 |
CN101389808A (zh) | 2009-03-18 |
FI20065860A0 (fi) | 2006-12-28 |
CA2633800A1 (en) | 2008-06-28 |
US20110036523A1 (en) | 2011-02-17 |
JP2009530508A (ja) | 2009-08-27 |
EP2097582A4 (en) | 2013-12-25 |
EP2097582A1 (en) | 2009-09-09 |
CN101389808B (zh) | 2011-05-11 |
FI119062B (fi) | 2008-07-15 |
WO2008081078A1 (en) | 2008-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20171227 |