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 stegetInfo
- 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
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)
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 |
ES96935649T ES2206598T3 (es) | 1995-10-23 | 1996-09-18 | Deslignificacion de pasta celulosica en dos etapas utilizando oxigeno. |
AT96935649T ATE254687T1 (de) | 1995-10-23 | 1996-09-18 | Sauerstoffdelignifizierung von lignocelluloschischem zellstoff in zwei stufen |
NZ320687A NZ320687A (en) | 1995-10-23 | 1996-09-18 | Two-step oxygen delignification of lignocellulosic pulp |
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 |
AU73483/96A AU691132B2 (en) | 1995-10-23 | 1996-09-18 | Oxygen delignification of lignocellulosic pulp in two steps |
RU98109942A RU2148118C1 (ru) | 1995-10-23 | 1996-09-18 | Двустадийная делигнификация лигноцеллюлозной массы кислородом |
EP96935649A EP0857231B1 (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 |
DE69630803T DE69630803T2 (de) | 1995-10-23 | 1996-09-18 | Sauerstoffdelignifizierung von lignocelluloschischem zellstoff in zwei stufen |
PT96935649T PT857231E (pt) | 1995-10-23 | 1996-09-18 | Deslenhificacao de pasta lenhocelulosica por meio de oxigenio em dois passos |
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 |
PCT/SE1996/001154 WO1997015715A1 (en) | 1995-10-23 | 1996-09-18 | Oxygen delignification of lignocellulosic pulp in two steps |
CN96197756A CN1072743C (zh) | 1995-10-23 | 1996-09-18 | 木素纤维素浆两步氧气脱木素方法 |
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 (zh) |
EP (1) | EP0857231B1 (zh) |
JP (1) | JP3459072B2 (zh) |
CN (1) | CN1072743C (zh) |
AT (1) | ATE254687T1 (zh) |
AU (1) | AU691132B2 (zh) |
BR (1) | BR9611243A (zh) |
CA (1) | CA2231048C (zh) |
DE (1) | DE69630803T2 (zh) |
ES (1) | ES2206598T3 (zh) |
MY (1) | MY117900A (zh) |
NO (1) | NO324111B1 (zh) |
NZ (1) | NZ320687A (zh) |
PT (1) | PT857231E (zh) |
RU (1) | RU2148118C1 (zh) |
SE (1) | SE505141C2 (zh) |
WO (1) | WO1997015715A1 (zh) |
ZA (1) | ZA967932B (zh) |
Cited By (1)
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)
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 |
SE0403202L (sv) * | 2004-12-30 | 2005-10-25 | Kvaerner Pulping Tech | Metod för syrgasdelignifiering av cellulosamassa med inmixning av kemikalier vid högt tryck |
SE0403222L (sv) * | 2004-12-30 | 2005-11-08 | Kvaerner Pulping Tech | Metod för syrgasdelignifiering av cellulosamassa vid högt tryck i flera steg |
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 |
JP6933640B2 (ja) * | 2015-04-10 | 2021-09-08 | コメット バイオリファイニング インコーポレイテッド | セルロース系バイオマスの処理のための方法および組成物ならびにそれによって生成される生成物 |
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 |
EP4142475A4 (en) | 2020-04-30 | 2024-05-08 | Hydro Dynamics Inc | SYSTEM AND METHOD FOR TREATING PLANTS TO SYNTHESIS COMPOUNDS THEREOF |
Family Cites Families (3)
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 |
-
1995
- 1995-10-23 SE SE9503720A patent/SE505141C2/sv not_active IP Right Cessation
-
1996
- 1996-09-18 AU AU73483/96A patent/AU691132B2/en not_active Ceased
- 1996-09-18 BR BR9611243A patent/BR9611243A/pt not_active IP Right Cessation
- 1996-09-18 EP EP96935649A patent/EP0857231B1/en not_active Revoked
- 1996-09-18 WO PCT/SE1996/001154 patent/WO1997015715A1/en active IP Right Grant
- 1996-09-18 JP JP51652197A patent/JP3459072B2/ja not_active Expired - Fee Related
- 1996-09-18 PT PT96935649T patent/PT857231E/pt unknown
- 1996-09-18 RU RU98109942A patent/RU2148118C1/ru active
- 1996-09-18 NZ NZ320687A patent/NZ320687A/en unknown
- 1996-09-18 ES ES96935649T patent/ES2206598T3/es not_active Expired - Lifetime
- 1996-09-18 CA CA002231048A patent/CA2231048C/en not_active Expired - Fee Related
- 1996-09-18 DE DE69630803T patent/DE69630803T2/de not_active Revoked
- 1996-09-18 CN CN96197756A patent/CN1072743C/zh not_active Expired - Lifetime
- 1996-09-18 AT AT96935649T patent/ATE254687T1/de not_active IP Right Cessation
- 1996-09-19 ZA ZA967932A patent/ZA967932B/xx unknown
- 1996-09-24 MY MYPI96003947A patent/MY117900A/en unknown
-
1997
- 1997-09-11 US US08/927,925 patent/US6221206B1/en not_active Expired - Fee Related
-
1998
- 1998-04-22 NO NO19981794A patent/NO324111B1/no not_active IP Right Cessation
Cited By (2)
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 |
---|---|
CA2231048A1 (en) | 1997-05-01 |
WO1997015715A1 (en) | 1997-05-01 |
SE9503720L (sv) | 1997-04-24 |
EP0857231B1 (en) | 2003-11-19 |
DE69630803T2 (de) | 2004-09-30 |
JP3459072B2 (ja) | 2003-10-20 |
RU2148118C1 (ru) | 2000-04-27 |
BR9611243A (pt) | 1999-03-30 |
ZA967932B (en) | 1997-04-07 |
US6221206B1 (en) | 2001-04-24 |
EP0857231A1 (en) | 1998-08-12 |
CN1072743C (zh) | 2001-10-10 |
MY117900A (en) | 2004-08-30 |
AU691132B2 (en) | 1998-05-07 |
CN1200154A (zh) | 1998-11-25 |
PT857231E (pt) | 2004-04-30 |
CA2231048C (en) | 2007-11-20 |
DE69630803D1 (de) | 2003-12-24 |
NO981794D0 (no) | 1998-04-22 |
NO981794L (no) | 1998-04-22 |
JPH11514410A (ja) | 1999-12-07 |
NZ320687A (en) | 1998-11-25 |
NO324111B1 (no) | 2007-08-27 |
SE9503720D0 (sv) | 1995-10-23 |
ES2206598T3 (es) | 2004-05-16 |
AU7348396A (en) | 1997-05-15 |
ATE254687T1 (de) | 2003-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
SE505141C2 (sv) | Syrgasdelignifiering av massa i två steg med hög satsning av alkali och syrgas och temperatur under 90 C i första steget | |
HU205175B (en) | Method for chlorie-free bleaching celluloses | |
US6010594A (en) | Method of bleaching pulp with chlorine-free chemicals wherein a complexing agent is added immediately after an ozone bleach stage | |
SE514789C2 (sv) | Delignifiering och blekning av cellulosamassor med perättiksyra, ozon och syre | |
EP0884415B1 (en) | Method of washing pulp in connection with bleaching | |
WO1999009243A1 (en) | Cooking of pulp with high effective alkali concentration in the residual phase | |
US6454900B2 (en) | Method for two-stage oxygen delignification of chemical pulp | |
US2789051A (en) | Method for continuous cooking of chips in the manufacture of pulp | |
SE514825C2 (sv) | Oxygendelignifiering av cellulosamassa med oxiderad vitlut som alkalikälla | |
SE510740C2 (sv) | Styrning av syrgasdelignifiering | |
EP2118296B1 (de) | Verfahren zur kontinuierlichen herstellung von abgebautem stärkekleister und anlage zur durchführung eines solchen verfahrens | |
JPH04263687A (ja) | セルロース質繊維材料のパルプの漂白方法 | |
CN106164371A (zh) | 用于处理木质素回收工艺的废洗涤液的方法 | |
JP4973832B2 (ja) | ポリメチレンポリフェニルポリアミンの連続式生産方法 | |
FI91896B (fi) | Menetelmä happivalkaisun yhteydessä | |
SE505147C2 (sv) | Syrgasdelignifiering av massa i ett första HC-steg och ett andra MC-steg | |
US6375797B1 (en) | Bleaching chemical pulp in a PkDQ-Po Sequence | |
SE526162C2 (sv) | Tillverkning av färdigblekt lövvedsmassa i ett klordioxidsteg följt av ett trycksatt peroxidsteg | |
SE452896B (sv) | Forfarande for behandling av cellulosamassor | |
SE516688E (sv) | Behandling av massa före peroxidblekning med syra och komplexbildare | |
JPH04240282A (ja) | 亜硫酸パルプ化によるセルロースパルプ製造方法及び装置 | |
SE519574C2 (sv) | Förfarande för avkylning av massa med en värmeväxlare i samband med kokning |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |