NO981794D0 - Oksygendelignifisering av lignocelluloseholdig masse i to trinn - Google Patents

Oksygendelignifisering av lignocelluloseholdig masse i to trinn

Info

Publication number
NO981794D0
NO981794D0 NO981794A NO981794A NO981794D0 NO 981794 D0 NO981794 D0 NO 981794D0 NO 981794 A NO981794 A NO 981794A NO 981794 A NO981794 A NO 981794A NO 981794 D0 NO981794 D0 NO 981794D0
Authority
NO
Norway
Prior art keywords
oxygen
delignification
pulp
ligation
steps
Prior art date
Application number
NO981794A
Other languages
English (en)
Other versions
NO324111B1 (no
NO981794L (no
Inventor
Monica Bokstraem
Solveig Nordun
Pia Mellander
Original Assignee
Sunds Defibrator Ind Ab
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=20399927&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO981794(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sunds Defibrator Ind Ab filed Critical Sunds Defibrator Ind Ab
Publication of NO981794L publication Critical patent/NO981794L/no
Publication of NO981794D0 publication Critical patent/NO981794D0/no
Publication of NO324111B1 publication Critical patent/NO324111B1/no

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Detergent Compositions (AREA)
NO19981794A 1995-10-23 1998-04-22 Fremgangsmate for forlenget oksygendelignifisering av lignocelluloseholdig masse i to trinn NO324111B1 (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9503720A SE505141C2 (sv) 1995-10-23 1995-10-23 Syrgasdelignifiering av massa i två steg med hög satsning av alkali och syrgas och temperatur under 90 C i första steget
PCT/SE1996/001154 WO1997015715A1 (en) 1995-10-23 1996-09-18 Oxygen delignification of lignocellulosic pulp in two steps

Publications (3)

Publication Number Publication Date
NO981794L NO981794L (no) 1998-04-22
NO981794D0 true NO981794D0 (no) 1998-04-22
NO324111B1 NO324111B1 (no) 2007-08-27

Family

ID=20399927

Family Applications (1)

Application Number Title Priority Date Filing Date
NO19981794A NO324111B1 (no) 1995-10-23 1998-04-22 Fremgangsmate for forlenget oksygendelignifisering av lignocelluloseholdig masse i to trinn

Country Status (18)

Country Link
US (1) US6221206B1 (no)
EP (1) EP0857231B1 (no)
JP (1) JP3459072B2 (no)
CN (1) CN1072743C (no)
AT (1) ATE254687T1 (no)
AU (1) AU691132B2 (no)
BR (1) BR9611243A (no)
CA (1) CA2231048C (no)
DE (1) DE69630803T2 (no)
ES (1) ES2206598T3 (no)
MY (1) MY117900A (no)
NO (1) NO324111B1 (no)
NZ (1) NZ320687A (no)
PT (1) PT857231E (no)
RU (1) RU2148118C1 (no)
SE (1) SE505141C2 (no)
WO (1) WO1997015715A1 (no)
ZA (1) ZA967932B (no)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE510740C2 (sv) 1996-11-26 1999-06-21 Sunds Defibrator Ind Ab Styrning av syrgasdelignifiering
SE9803474L (sv) * 1998-10-08 2000-04-09 Valmet Fibertech Ab Syrgasblekning av massa
FI113187B (fi) 1999-05-28 2007-09-25 Metso Paper Pori Oy Menetelmä massan käsittelemiseksi
SE522593C2 (sv) 1999-07-06 2004-02-24 Kvaerner Pulping Tech System och förfarande för syragasdelignifiering av massa av lignocellulosahaltigt material
FI117391B (fi) 2000-05-16 2006-09-29 Andritz Oy Menetelmä ja laitteisto massan käsittelemiseksi
US20050087315A1 (en) * 2003-10-28 2005-04-28 Donovan Joseph R. Low consistency oxygen delignification process
SE0403222L (sv) * 2004-12-30 2005-11-08 Kvaerner Pulping Tech Metod för syrgasdelignifiering av cellulosamassa vid högt tryck i flera steg
SE0403202L (sv) * 2004-12-30 2005-10-25 Kvaerner Pulping Tech Metod för syrgasdelignifiering av cellulosamassa med inmixning av kemikalier vid högt tryck
CN100400744C (zh) * 2006-05-26 2008-07-09 华南理工大学 中浓纸浆稳压双升流塔氧气漂白方法
US9469548B2 (en) 2015-02-20 2016-10-18 Hydro Dynamics, Inc. Continuous hydrodynamic cavitation crystallization
US10220365B2 (en) 2015-03-31 2019-03-05 Hydro Dynamics, Inc. Method and apparatus for hydrogenating substances using controlled mechanically induced cavitation
MX2017012913A (es) * 2015-04-10 2018-06-06 Comet Biorefining Inc Metodos y composiciones para el tratamiento de biomasa celulosica y productos producidos por estos.
US10011804B2 (en) 2015-08-21 2018-07-03 Ecoxtraction, Llc Method of extracting CBD, THC, and other compounds from cannabis using controlled cavitation
CN111344455B (zh) * 2017-09-11 2022-10-28 索理思科技公司 用于增强化学木浆的氧脱木质素的方法
MX2022013533A (es) 2020-04-30 2022-11-16 Hydro Dynamics Inc Sistema y metodo para el tratamiento de plantas para la sintesis de compuestos de las mismas.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5217575A (en) * 1988-10-18 1993-06-08 Kamyr Ab Process for oxygen bleaching using two vertical reactors
US4946556A (en) * 1989-04-25 1990-08-07 Kamyr, Inc. Method of oxygen delignifying wood pulp with between stage washing
US5034095A (en) * 1989-06-01 1991-07-23 Oji Paper Co., Ltd. Apparatus and process for the delignification of cellulose pulp

Also Published As

Publication number Publication date
ZA967932B (en) 1997-04-07
BR9611243A (pt) 1999-03-30
CA2231048C (en) 2007-11-20
NO324111B1 (no) 2007-08-27
EP0857231B1 (en) 2003-11-19
RU2148118C1 (ru) 2000-04-27
PT857231E (pt) 2004-04-30
ES2206598T3 (es) 2004-05-16
SE505141C2 (sv) 1997-06-30
NO981794L (no) 1998-04-22
CN1072743C (zh) 2001-10-10
MY117900A (en) 2004-08-30
AU691132B2 (en) 1998-05-07
SE9503720D0 (sv) 1995-10-23
JPH11514410A (ja) 1999-12-07
JP3459072B2 (ja) 2003-10-20
AU7348396A (en) 1997-05-15
DE69630803D1 (de) 2003-12-24
ATE254687T1 (de) 2003-12-15
US6221206B1 (en) 2001-04-24
WO1997015715A1 (en) 1997-05-01
CA2231048A1 (en) 1997-05-01
DE69630803T2 (de) 2004-09-30
CN1200154A (zh) 1998-11-25
EP0857231A1 (en) 1998-08-12
NZ320687A (en) 1998-11-25
SE9503720L (sv) 1997-04-24

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