NO324111B1 - Fremgangsmate for forlenget oksygendelignifisering av lignocelluloseholdig masse i to trinn - Google Patents
Fremgangsmate for forlenget oksygendelignifisering av lignocelluloseholdig masse i to trinn Download PDFInfo
- Publication number
- NO324111B1 NO324111B1 NO19981794A NO981794A NO324111B1 NO 324111 B1 NO324111 B1 NO 324111B1 NO 19981794 A NO19981794 A NO 19981794A NO 981794 A NO981794 A NO 981794A NO 324111 B1 NO324111 B1 NO 324111B1
- Authority
- NO
- Norway
- Prior art keywords
- stage
- oxygen
- delignification
- pulp
- stages
- Prior art date
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 28
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 28
- 239000001301 oxygen Substances 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000002035 prolonged effect Effects 0.000 title claims description 5
- 239000003513 alkali Substances 0.000 claims abstract description 13
- 238000007792 addition Methods 0.000 claims description 6
- 239000012978 lignocellulosic material Substances 0.000 claims description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 238000004061 bleaching Methods 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 229920002678 cellulose Polymers 0.000 description 3
- 239000001913 cellulose Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 238000009835 boiling Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
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)
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 |
|---|---|
| NO981794D0 NO981794D0 (no) | 1998-04-22 |
| NO981794L NO981794L (no) | 1998-04-22 |
| NO324111B1 true 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 (es) |
| EP (1) | EP0857231B1 (es) |
| JP (1) | JP3459072B2 (es) |
| CN (1) | CN1072743C (es) |
| AT (1) | ATE254687T1 (es) |
| AU (1) | AU691132B2 (es) |
| BR (1) | BR9611243A (es) |
| CA (1) | CA2231048C (es) |
| DE (1) | DE69630803T2 (es) |
| ES (1) | ES2206598T3 (es) |
| MY (1) | MY117900A (es) |
| NO (1) | NO324111B1 (es) |
| NZ (1) | NZ320687A (es) |
| PT (1) | PT857231E (es) |
| RU (1) | RU2148118C1 (es) |
| SE (1) | SE505141C2 (es) |
| WO (1) | WO1997015715A1 (es) |
| ZA (1) | ZA967932B (es) |
Families Citing this family (15)
| 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 |
| 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
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 |
| SE505141C2 (sv) | 1997-06-30 |
| JPH11514410A (ja) | 1999-12-07 |
| NZ320687A (en) | 1998-11-25 |
| SE9503720D0 (sv) | 1995-10-23 |
| ES2206598T3 (es) | 2004-05-16 |
| AU7348396A (en) | 1997-05-15 |
| ATE254687T1 (de) | 2003-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM1K | Lapsed by not paying the annual fees |