NO990309L - FremgangsmÕte og apparat for bleking av tremasse, sµrlig inneholdende returpapir - Google Patents
FremgangsmÕte og apparat for bleking av tremasse, sµrlig inneholdende returpapirInfo
- Publication number
- NO990309L NO990309L NO990309A NO990309A NO990309L NO 990309 L NO990309 L NO 990309L NO 990309 A NO990309 A NO 990309A NO 990309 A NO990309 A NO 990309A NO 990309 L NO990309 L NO 990309L
- Authority
- NO
- Norway
- Prior art keywords
- pulp
- wood pulp
- mass
- steam
- recycled paper
- 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
- 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
-
- 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
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
-
- 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9602858A SE506803C2 (sv) | 1996-07-25 | 1996-07-25 | Sätt och anläggning för blekning av returpappersmassa |
PCT/SE1997/001305 WO1998004774A1 (en) | 1996-07-25 | 1997-07-22 | Method and apparatus for bleaching wood pulp, especially containing waste paper |
Publications (2)
Publication Number | Publication Date |
---|---|
NO990309D0 NO990309D0 (no) | 1999-01-22 |
NO990309L true NO990309L (no) | 1999-03-24 |
Family
ID=20403466
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO990309A NO990309L (no) | 1996-07-25 | 1999-01-22 | FremgangsmÕte og apparat for bleking av tremasse, sµrlig inneholdende returpapir |
Country Status (7)
Country | Link |
---|---|
US (1) | US6419786B1 (sv) |
EP (1) | EP0914517A1 (sv) |
JP (1) | JP2000515205A (sv) |
CA (1) | CA2260935A1 (sv) |
NO (1) | NO990309L (sv) |
SE (1) | SE506803C2 (sv) |
WO (1) | WO1998004774A1 (sv) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1031657A1 (en) * | 1999-02-25 | 2000-08-30 | Degussa-Hüls Aktiengesellschaft | A method for bleaching secondary fibres |
FI109135B (sv) * | 1999-09-21 | 2002-05-31 | Metso Paper Inc | Förfarande och anordning för behandling av träfibermassa |
ATE259442T1 (de) * | 1999-10-29 | 2004-02-15 | Voith Paper Patent Gmbh | Verfahren zur erhöhung der homogenität und des weissgrades von papierfaserstoff |
DE19954246A1 (de) * | 1999-10-29 | 2001-07-26 | Voith Paper Patent Gmbh | Verfahren zur Erhöhung der Homogenität und des Weißgrades von Papierfaserstoff |
DE10018262A1 (de) * | 2000-04-13 | 2001-10-18 | Voith Paper Patent Gmbh | Verfahren zur Dispergierung eines Papierfaserstoffes sowie Anlage zur Durchführung des Verfahrens |
JP2003119679A (ja) * | 2001-10-17 | 2003-04-23 | Aikawa Iron Works Co Ltd | パルプ加熱装置 |
AT411604B (de) * | 2002-03-27 | 2004-03-25 | Andritz Ag Maschf | Verfahren und vorrichtung zur dispergierung eines papierfaserstoffes |
JP2006144148A (ja) * | 2004-11-17 | 2006-06-08 | Fukoku Kogyo Kk | 古紙パルプの不純物分離促進方法 |
CN103906876A (zh) * | 2011-09-20 | 2014-07-02 | 艾欧基能源公司 | 用于加热原料的方法 |
CN102704301B (zh) * | 2012-06-19 | 2017-10-20 | 连城县东方经济开发有限公司 | 一种涂布牛卡废纸再生隔层纸工艺 |
FI125635B (sv) * | 2015-02-05 | 2015-12-31 | Valmet Technologies Oy | Anordning för förvärmning av returfibermassa som skall dispergeras |
CN109173963A (zh) * | 2018-09-30 | 2019-01-11 | 山东世纪阳光纸业集团有限公司 | 一种生物反应横管 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3610940A1 (de) * | 1986-03-04 | 1987-09-10 | Escher Wyss Gmbh | Hochtemperatur-hochkonsistenz-schnellbleiche |
SE461919B (sv) * | 1988-08-30 | 1990-04-09 | Cellwood Machinery Ab | Saett vid behandling av traefibermassa, saerskilt innehaallande returpapper, samt disperger foer genomfoerande av foerfarandet |
SE9403494L (sv) | 1994-10-13 | 1996-04-14 | Aga Ab | Sätt och anordning vid blekning av returfiber |
-
1996
- 1996-07-25 SE SE9602858A patent/SE506803C2/sv unknown
-
1997
- 1997-07-22 WO PCT/SE1997/001305 patent/WO1998004774A1/en not_active Application Discontinuation
- 1997-07-22 CA CA 2260935 patent/CA2260935A1/en not_active Abandoned
- 1997-07-22 US US09/230,059 patent/US6419786B1/en not_active Expired - Fee Related
- 1997-07-22 JP JP50830998A patent/JP2000515205A/ja active Pending
- 1997-07-22 EP EP19970933977 patent/EP0914517A1/en not_active Withdrawn
-
1999
- 1999-01-22 NO NO990309A patent/NO990309L/no unknown
Also Published As
Publication number | Publication date |
---|---|
US6419786B1 (en) | 2002-07-16 |
JP2000515205A (ja) | 2000-11-14 |
NO990309D0 (no) | 1999-01-22 |
SE9602858D0 (sv) | 1996-07-25 |
SE9602858L (sv) | 1998-01-26 |
CA2260935A1 (en) | 1998-02-05 |
SE506803C2 (sv) | 1998-02-16 |
EP0914517A1 (en) | 1999-05-12 |
WO1998004774A1 (en) | 1998-02-05 |
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