SE505141C2 - Syrgasdelignifiering av massa i två steg med hög satsning av alkali och syrgas och temperatur under 90 C i första steget - Google Patents

Syrgasdelignifiering av massa i två steg med hög satsning av alkali och syrgas och temperatur under 90 C i första steget

Info

Publication number
SE505141C2
SE505141C2 SE9503720A SE9503720A SE505141C2 SE 505141 C2 SE505141 C2 SE 505141C2 SE 9503720 A SE9503720 A SE 9503720A SE 9503720 A SE9503720 A SE 9503720A SE 505141 C2 SE505141 C2 SE 505141C2
Authority
SE
Sweden
Prior art keywords
pulp
oxygen
delignification
temperature
alkali
Prior art date
Application number
SE9503720A
Other languages
English (en)
Swedish (sv)
Other versions
SE9503720D0 (sv
SE9503720L (sv
Inventor
Monica Bokstroem
Pia Mellander
Solveig Norden
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=SE505141(C2) "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
Priority to SE9503720A priority Critical patent/SE505141C2/sv
Publication of SE9503720D0 publication Critical patent/SE9503720D0/xx
Priority to CA002231048A priority patent/CA2231048C/en
Priority to RU98109942A priority patent/RU2148118C1/ru
Priority to PT96935649T priority patent/PT857231E/pt
Priority to EP96935649A priority patent/EP0857231B1/de
Priority to ES96935649T priority patent/ES2206598T3/es
Priority to JP51652197A priority patent/JP3459072B2/ja
Priority to CN96197756A priority patent/CN1072743C/zh
Priority to AU73483/96A priority patent/AU691132B2/en
Priority to NZ320687A priority patent/NZ320687A/en
Priority to AT96935649T priority patent/ATE254687T1/de
Priority to BR9611243A priority patent/BR9611243A/pt
Priority to PCT/SE1996/001154 priority patent/WO1997015715A1/en
Priority to DE69630803T priority patent/DE69630803T2/de
Priority to ZA967932A priority patent/ZA967932B/xx
Priority to MYPI96003947A priority patent/MY117900A/en
Publication of SE9503720L publication Critical patent/SE9503720L/
Publication of SE505141C2 publication Critical patent/SE505141C2/sv
Priority to US08/927,925 priority patent/US6221206B1/en
Priority to NO19981794A priority patent/NO324111B1/no
Priority to US09/759,032 priority patent/US6319357B1/en
Priority to US09/886,913 priority patent/US6454900B2/en

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)
SE9503720A 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 SE505141C2 (sv)

Priority Applications (20)

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
DE69630803T DE69630803T2 (de) 1995-10-23 1996-09-18 Sauerstoffdelignifizierung von lignocelluloschischem zellstoff in zwei stufen
RU98109942A RU2148118C1 (ru) 1995-10-23 1996-09-18 Двустадийная делигнификация лигноцеллюлозной массы кислородом
NZ320687A NZ320687A (en) 1995-10-23 1996-09-18 Two-step oxygen delignification of lignocellulosic pulp
PCT/SE1996/001154 WO1997015715A1 (en) 1995-10-23 1996-09-18 Oxygen delignification of lignocellulosic pulp in two steps
PT96935649T PT857231E (pt) 1995-10-23 1996-09-18 Deslenhificacao de pasta lenhocelulosica por meio de oxigenio em dois passos
EP96935649A EP0857231B1 (de) 1995-10-23 1996-09-18 Sauerstoffdelignifizierung von lignocelluloschischem zellstoff in zwei stufen
ES96935649T ES2206598T3 (es) 1995-10-23 1996-09-18 Deslignificacion de pasta celulosica en dos etapas utilizando oxigeno.
JP51652197A JP3459072B2 (ja) 1995-10-23 1996-09-18 二段階によるリグノセルロース系パルプの酸素脱リグニン法
CN96197756A CN1072743C (zh) 1995-10-23 1996-09-18 木素纤维素浆两步氧气脱木素方法
AU73483/96A AU691132B2 (en) 1995-10-23 1996-09-18 Oxygen delignification of lignocellulosic pulp in two steps
CA002231048A CA2231048C (en) 1995-10-23 1996-09-18 Oxygen delignification of lignocellulosic pulp in two steps
AT96935649T ATE254687T1 (de) 1995-10-23 1996-09-18 Sauerstoffdelignifizierung von lignocelluloschischem zellstoff in zwei stufen
BR9611243A BR9611243A (pt) 1995-10-23 1996-09-18 Processo de deslignificação a oxigênio de polpa proveniente de material lignocelulósico em concentração média em dois estágios
ZA967932A ZA967932B (en) 1995-10-23 1996-09-19 Bleaching of pulp
MYPI96003947A MY117900A (en) 1995-10-23 1996-09-24 Bleaching of pulp.
US08/927,925 US6221206B1 (en) 1995-10-23 1997-09-11 Method for oxygen delignification of a digested pulp
NO19981794A NO324111B1 (no) 1995-10-23 1998-04-22 Fremgangsmate for forlenget oksygendelignifisering av lignocelluloseholdig masse i to trinn
US09/759,032 US6319357B1 (en) 1995-10-23 2001-01-12 Method for two-stage oxygen bleaching and delignification of chemical pulp
US09/886,913 US6454900B2 (en) 1995-10-23 2001-06-21 Method for two-stage oxygen delignification of chemical pulp

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE9503720D0 SE9503720D0 (sv) 1995-10-23
SE9503720L SE9503720L (sv) 1997-04-24
SE505141C2 true SE505141C2 (sv) 1997-06-30

Family

ID=20399927

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (18)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6391152B1 (en) 1999-07-06 2002-05-21 Kvaerner Pulping Ab Process for the oxygen delignification of pulp in two stages with higher pressure in the second stage

Families Citing this family (14)

* 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
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
KR20180012254A (ko) * 2015-04-10 2018-02-05 코멧 바이오리파이닝 인코포레이티드 셀룰로스 바이오매스의 처리를 위한 방법 및 조성물 및 이에 의해 생성된 생성물
US10011804B2 (en) 2015-08-21 2018-07-03 Ecoxtraction, Llc Method of extracting CBD, THC, and other compounds from cannabis using controlled cavitation
CA3075029A1 (en) * 2017-09-11 2019-03-14 Solenis Technologies, L.P. Method for enhanced oxygen delignification of chemical wood pulps
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 (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI71178C (fi) * 1984-11-08 1988-05-18 Rauma Repola Oy Foerfarande foer reglering av syreblekningsprocess.
AU595842B2 (en) * 1985-11-15 1990-04-12 Canadian Liquid Air Ltd. Pulp bleaching
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6391152B1 (en) 1999-07-06 2002-05-21 Kvaerner Pulping Ab Process for the oxygen delignification of pulp in two stages with higher pressure in the second stage
US6841036B2 (en) 1999-07-06 2005-01-11 Kvaerner Pulping Ab Process for the oxygen delignification of pulp in two stages with higher pressure in the second stage

Also Published As

Publication number Publication date
BR9611243A (pt) 1999-03-30
SE9503720D0 (sv) 1995-10-23
JP3459072B2 (ja) 2003-10-20
CA2231048C (en) 2007-11-20
NZ320687A (en) 1998-11-25
EP0857231A1 (de) 1998-08-12
PT857231E (pt) 2004-04-30
DE69630803T2 (de) 2004-09-30
US6221206B1 (en) 2001-04-24
ATE254687T1 (de) 2003-12-15
NO324111B1 (no) 2007-08-27
AU7348396A (en) 1997-05-15
ES2206598T3 (es) 2004-05-16
CN1072743C (zh) 2001-10-10
SE9503720L (sv) 1997-04-24
DE69630803D1 (de) 2003-12-24
MY117900A (en) 2004-08-30
ZA967932B (en) 1997-04-07
NO981794D0 (no) 1998-04-22
JPH11514410A (ja) 1999-12-07
EP0857231B1 (de) 2003-11-19
CA2231048A1 (en) 1997-05-01
RU2148118C1 (ru) 2000-04-27
AU691132B2 (en) 1998-05-07
CN1200154A (zh) 1998-11-25
WO1997015715A1 (en) 1997-05-01
NO981794L (no) 1998-04-22

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