DE3773204D1 - - Google Patents
Info
- Publication number
- DE3773204D1 DE3773204D1 DE88900488T DE3773204T DE3773204D1 DE 3773204 D1 DE3773204 D1 DE 3773204D1 DE 88900488 T DE88900488 T DE 88900488T DE 3773204 T DE3773204 T DE 3773204T DE 3773204 D1 DE3773204 D1 DE 3773204D1
- Authority
- DE
- Germany
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8605510A SE8605510L (en) | 1986-12-22 | 1986-12-22 | KEEP WASHING THE PASS |
PCT/SE1987/000198 WO1988004705A1 (en) | 1986-12-22 | 1987-04-16 | Method for washing of alcaline pulp |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3773204D1 true DE3773204D1 (en) | 1991-10-24 |
Family
ID=26659637
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE88900488T Expired - Lifetime DE3773204D1 (en) | 1986-12-22 | 1987-12-21 |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0296198B1 (en) |
DE (1) | DE3773204D1 (en) |
WO (1) | WO1988004706A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5401362A (en) * | 1993-03-24 | 1995-03-28 | Kamyr, Inc. | Control of metals and dissolved organics in the bleach plant |
US5509999A (en) * | 1993-03-24 | 1996-04-23 | Kamyr, Inc. | Treatment of bleach plant effluents |
SE502172C2 (en) * | 1993-12-15 | 1995-09-04 | Mo Och Domsjoe Ab | Process for the preparation of bleached cellulose pulp with a chlorine-free bleaching sequence in the presence of carbonate |
SE502706E (en) | 1994-04-05 | 1999-09-27 | Mo Och Domsjoe Ab | Preparation of bleached cellulose pulp by bleaching with chlorine dioxide and treatment of complexing agents in the same step |
SE516030C2 (en) * | 1994-11-14 | 2001-11-12 | Aga Ab | Regeneration of a gas mixture from an ozone bleaching stage |
FI103520B1 (en) | 1998-03-03 | 1999-07-15 | Aga Ab | Improved papermaking methods |
FI991241L (en) | 1999-06-01 | 2000-12-02 | Aga Ab | Lignin bleaching and method for making paper |
FI110533B (en) * | 2000-05-04 | 2003-02-14 | Aga Ab | Procedure for preventing the proliferation of microbes |
US7056419B2 (en) | 2002-09-30 | 2006-06-06 | American Air Liquide, Inc. | Methods for modifying electrical properties of papermaking compositions using carbon dioxide |
FI20070126A0 (en) | 2006-09-08 | 2007-02-13 | Linde Ag | Process for de-pulping and using carbon dioxide or (bi) carbonate for this |
FI20075503L (en) * | 2007-07-03 | 2008-06-19 | Stora Enso Oyj | Method for making paper and use of acid/base treatment in paper making |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI52876C (en) * | 1974-09-03 | 1978-10-17 | Ahlstroem Oy | OVERFLOWER FOR CELLULOSE FRAON ALKALIKOK |
-
1987
- 1987-12-21 DE DE88900488T patent/DE3773204D1/de not_active Expired - Lifetime
- 1987-12-21 EP EP19880900488 patent/EP0296198B1/en not_active Expired
- 1987-12-21 WO PCT/SE1987/000623 patent/WO1988004706A1/en active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
EP0296198B1 (en) | 1991-09-18 |
WO1988004706A1 (en) | 1988-06-30 |
EP0296198A1 (en) | 1988-12-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |