SE0101676L - - Google Patents

Info

Publication number
SE0101676L
SE0101676L SE0101676A SE0101676A SE0101676L SE 0101676 L SE0101676 L SE 0101676L SE 0101676 A SE0101676 A SE 0101676A SE 0101676 A SE0101676 A SE 0101676A SE 0101676 L SE0101676 L SE 0101676L
Authority
SE
Sweden
Application number
SE0101676A
Other versions
SE521379C2 (sv
SE0101676D0 (sv
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=8558403&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE0101676(L) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of SE0101676D0 publication Critical patent/SE0101676D0/xx
Publication of SE0101676L publication Critical patent/SE0101676L/xx
Publication of SE521379C2 publication Critical patent/SE521379C2/sv

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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028—Effluents derived from the washing or bleaching plants
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE0101676A 2000-05-16 2001-05-14 Behandling av massa för att förhindra skadliga reaktioner SE521379C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20001169A FI117391B (fi) 2000-05-16 2000-05-16 Menetelmä ja laitteisto massan käsittelemiseksi

Publications (3)

Publication Number Publication Date
SE0101676D0 SE0101676D0 (sv) 2001-05-14
SE0101676L true SE0101676L (cg-RX-API-DMAC7.html) 2001-11-17
SE521379C2 SE521379C2 (sv) 2003-10-28

Family

ID=8558403

Family Applications (2)

Application Number Title Priority Date Filing Date
SE0101676A SE521379C2 (sv) 2000-05-16 2001-05-14 Behandling av massa för att förhindra skadliga reaktioner
SE0301389A SE0301389D0 (sv) 2000-05-16 2003-05-14 Förfarande och anordning för behandlnig av massa

Family Applications After (1)

Application Number Title Priority Date Filing Date
SE0301389A SE0301389D0 (sv) 2000-05-16 2003-05-14 Förfarande och anordning för behandlnig av massa

Country Status (4)

Country Link
US (1) US6733625B2 (cg-RX-API-DMAC7.html)
CA (1) CA2347454C (cg-RX-API-DMAC7.html)
FI (1) FI117391B (cg-RX-API-DMAC7.html)
SE (2) SE521379C2 (cg-RX-API-DMAC7.html)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6752903B2 (en) * 2001-07-27 2004-06-22 Craig A. Bianchini Method for mitigating the interference caused by high-molecular weight by-products in pulping processes
US8138106B2 (en) 2005-09-30 2012-03-20 Rayonier Trs Holdings Inc. Cellulosic fibers with odor control characteristics
US7854847B2 (en) * 2006-11-09 2010-12-21 Rayonier Trs Holdings Inc. Process of purifying wood pulp with caustic-borate solution and recovering the purifying chemical
US20080202714A1 (en) * 2007-02-26 2008-08-28 Andritz Inc. Methods and systems for the use of recycled filtrate in bleaching pulp
FI123023B (fi) * 2009-09-01 2012-10-15 Andritz Oy Menetelmä ja laitteisto suovan erottamiseksi
WO2012015452A1 (en) * 2009-11-11 2012-02-02 International Paper Company Effect of low dose xylanase on pulp in prebleach treatment process
FI126551B (fi) * 2009-11-25 2017-02-15 Andritz Oy Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla
CA2793941C (en) 2010-03-23 2015-08-18 International Paper Company Improved bctmp filtrate recycling system and method
WO2015197917A1 (en) * 2014-06-23 2015-12-30 Metsä Fibre Oy Method of delignifying fibrous suspensions of alkaline cooking
SE545759C2 (en) * 2022-06-20 2024-01-02 Valmet Oy Method for bleaching pulp from recycled textile material

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI52876C (fi) * 1974-09-03 1978-10-17 Ahlstroem Oy Foerfarande foer tvaettning av en cellulosamassa fraon alkalikok
US4297164A (en) * 1980-03-10 1981-10-27 Weyerhaeuser Company Process for displacement washing of porous media
US4810328A (en) * 1984-07-13 1989-03-07 Diamond Shamrock Chemicals Company Method of brown stock washing
US5429717A (en) * 1986-12-22 1995-07-04 Aga Aktiebolag Method of washing of alkaline pulp by adding carbon dioxide to the pulp
US5217575A (en) 1988-10-18 1993-06-08 Kamyr Ab Process for oxygen bleaching using two vertical reactors
US4956048A (en) * 1989-04-17 1990-09-11 Westvaco Corporation Method of alcohol washing brownstock pulp prior to a chlorination bleaching stage
US5246543A (en) * 1989-08-18 1993-09-21 Degussa Corporation Process for bleaching and delignification of lignocellulosic materials
GB9021126D0 (en) * 1990-09-28 1990-11-14 Dorset Ind Chemicals Ltd Improved washing process
US5853535A (en) * 1991-01-28 1998-12-29 Champion International Corporation Process for manufacturing bleached pulp including recycling
US5360514A (en) 1992-02-21 1994-11-01 Kamyr, Inc. Treatment of bleach plant filtrations using a magnesium filter
US6106667A (en) 1992-02-21 2000-08-22 Ahlstrom Machinery Inc. Treatment of recycled bleach plant filtrates
EP0564443A1 (en) 1992-03-15 1993-10-06 Kamyr, Inc. Treatment of bleach plant filtrates
FI98224B (fi) 1993-09-15 1997-01-31 Ahlstrom Machinery Oy Menetelmä massan valkaisemiseksi
CA2170553A1 (en) 1995-05-05 1996-11-06 C. Bertil Stromberg Treatment of filtrates in peroxide bleaching of pulp
SE505141C2 (sv) 1995-10-23 1997-06-30 Sunds Defibrator Ind Ab Syrgasdelignifiering av massa i två steg med hög satsning av alkali och syrgas och temperatur under 90 C i första steget
US5783037A (en) * 1996-08-22 1998-07-21 Mg Industries System and method for operating a pulp mill
SE9604802L (sv) 1996-12-27 1998-06-28 Aga Ab Förfarande för behandling av cellulosafibrer

Also Published As

Publication number Publication date
SE521379C2 (sv) 2003-10-28
US6733625B2 (en) 2004-05-11
SE0301389L (sv) 2003-05-14
FI117391B (fi) 2006-09-29
US20020088567A1 (en) 2002-07-11
CA2347454C (en) 2006-02-07
SE0301389D0 (sv) 2003-05-14
SE0101676D0 (sv) 2001-05-14
CA2347454A1 (en) 2001-11-16

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