RU98109942A - TWO-STAGE DELIGNIFICATION OF LIGNOCELLULOSE MASS OXYGEN - Google Patents
TWO-STAGE DELIGNIFICATION OF LIGNOCELLULOSE MASS OXYGENInfo
- Publication number
- RU98109942A RU98109942A RU98109942/12A RU98109942A RU98109942A RU 98109942 A RU98109942 A RU 98109942A RU 98109942/12 A RU98109942/12 A RU 98109942/12A RU 98109942 A RU98109942 A RU 98109942A RU 98109942 A RU98109942 A RU 98109942A
- Authority
- RU
- Russia
- Prior art keywords
- stage
- oxygen
- delignification
- pulp
- mass oxygen
- Prior art date
Links
- 229910052760 oxygen Inorganic materials 0.000 title claims 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 title claims 5
- 239000001301 oxygen Substances 0.000 title claims 5
- 239000003513 alkali Substances 0.000 claims 2
- 229920002678 cellulose Polymers 0.000 claims 2
- 239000001913 cellulose Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
Claims (4)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9503720A SE505141C2 (en) | 1995-10-23 | 1995-10-23 | Oxygen delignification of pulp in two stages with high loading of alkali and oxygen and temperature below 90 C in the first step |
SE9503720-6 | 1995-10-23 | ||
PCT/SE1996/001154 WO1997015715A1 (en) | 1995-10-23 | 1996-09-18 | Oxygen delignification of lignocellulosic pulp in two steps |
Publications (2)
Publication Number | Publication Date |
---|---|
RU98109942A true RU98109942A (en) | 2000-02-27 |
RU2148118C1 RU2148118C1 (en) | 2000-04-27 |
Family
ID=20399927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
RU98109942A RU2148118C1 (en) | 1995-10-23 | 1996-09-18 | Two-stage delignification of lignocellulose mass with oxygen |
Country Status (18)
Country | Link |
---|---|
US (1) | US6221206B1 (en) |
EP (1) | EP0857231B1 (en) |
JP (1) | JP3459072B2 (en) |
CN (1) | CN1072743C (en) |
AT (1) | ATE254687T1 (en) |
AU (1) | AU691132B2 (en) |
BR (1) | BR9611243A (en) |
CA (1) | CA2231048C (en) |
DE (1) | DE69630803T2 (en) |
ES (1) | ES2206598T3 (en) |
MY (1) | MY117900A (en) |
NO (1) | NO324111B1 (en) |
NZ (1) | NZ320687A (en) |
PT (1) | PT857231E (en) |
RU (1) | RU2148118C1 (en) |
SE (1) | SE505141C2 (en) |
WO (1) | WO1997015715A1 (en) |
ZA (1) | ZA967932B (en) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE510740C2 (en) * | 1996-11-26 | 1999-06-21 | Sunds Defibrator Ind Ab | Oxygen delignification control |
SE9803474L (en) * | 1998-10-08 | 2000-04-09 | Valmet Fibertech Ab | Oxygen bleaching of pulp |
FI113187B (en) | 1999-05-28 | 2007-09-25 | Metso Paper Pori Oy | Procedure for treating pulp |
SE522593C2 (en) | 1999-07-06 | 2004-02-24 | Kvaerner Pulping Tech | Oxygen gas delignification system and method of pulp of lignocellulosic material |
FI117391B (en) | 2000-05-16 | 2006-09-29 | Andritz Oy | Method and apparatus for pulping |
US20050087315A1 (en) * | 2003-10-28 | 2005-04-28 | Donovan Joseph R. | Low consistency oxygen delignification process |
SE0403202L (en) * | 2004-12-30 | 2005-10-25 | Kvaerner Pulping Tech | Method for oxygen delignification of cellulose pulp with high-pressure mixing of chemicals |
SE0403222L (en) * | 2004-12-30 | 2005-11-08 | Kvaerner Pulping Tech | Method for oxygen delignification of cellulose pulp at high pressure in several steps |
CN100400744C (en) * | 2006-05-26 | 2008-07-09 | 华南理工大学 | Moderate-thick paper pulp pressure stabilizing dual flow-lift tower oxygen bleaching method |
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 (en) * | 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 | Methods and compositions for the treatment of cellulosic biomass and the products produced thereby |
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 treatment of plants for synthesis of compounds therefrom |
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/en 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/en 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/en not_active Expired - Fee Related
- 1996-09-18 PT PT96935649T patent/PT857231E/en unknown
- 1996-09-18 RU RU98109942A patent/RU2148118C1/en active
- 1996-09-18 NZ NZ320687A patent/NZ320687A/en unknown
- 1996-09-18 ES ES96935649T patent/ES2206598T3/en not_active Expired - Lifetime
- 1996-09-18 CA CA002231048A patent/CA2231048C/en not_active Expired - Fee Related
- 1996-09-18 DE DE69630803T patent/DE69630803T2/en not_active Revoked
- 1996-09-18 CN CN96197756A patent/CN1072743C/en not_active Expired - Lifetime
- 1996-09-18 AT AT96935649T patent/ATE254687T1/en not_active IP Right Cessation
- 1996-09-19 ZA ZA967932A patent/ZA967932B/en 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/en not_active IP Right Cessation
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