PT940498E - METHOD FOR TREATING PAPER PASTE - Google Patents
METHOD FOR TREATING PAPER PASTEInfo
- Publication number
- PT940498E PT940498E PT99103920T PT99103920T PT940498E PT 940498 E PT940498 E PT 940498E PT 99103920 T PT99103920 T PT 99103920T PT 99103920 T PT99103920 T PT 99103920T PT 940498 E PT940498 E PT 940498E
- Authority
- PT
- Portugal
- Prior art keywords
- treating paper
- paper paste
- paste
- treating
- paper
- 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
- D21C9/1026—Other features in bleaching processes
-
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI980519A FI119383B (en) | 1998-03-06 | 1998-03-06 | Procedure for treating pulp |
Publications (1)
Publication Number | Publication Date |
---|---|
PT940498E true PT940498E (en) | 2006-09-29 |
Family
ID=8551173
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT99103920T PT940498E (en) | 1998-03-06 | 1999-03-05 | METHOD FOR TREATING PAPER PASTE |
Country Status (7)
Country | Link |
---|---|
US (1) | US20020056533A1 (en) |
EP (1) | EP0940498B1 (en) |
CA (1) | CA2264423C (en) |
DE (1) | DE69931295D1 (en) |
ES (1) | ES2263236T3 (en) |
FI (1) | FI119383B (en) |
PT (1) | PT940498E (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE524896C2 (en) * | 2003-03-07 | 2004-10-19 | Kvaerner Pulping Tech | Bleaching of cellulose pulp with chlorine dioxide in two phases with heating between the phases |
US20060201642A1 (en) * | 2005-03-08 | 2006-09-14 | Andritz Inc. | Methods of treating chemical cellulose pulp |
US8920603B2 (en) | 2006-10-11 | 2014-12-30 | Akzo Nobel N.V. | Bleaching of pulp |
CA2665969C (en) * | 2006-10-11 | 2016-04-12 | Magnus Bjoerklund | Bleaching of pulp |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5268075A (en) * | 1989-10-19 | 1993-12-07 | North Carolina State University | High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process |
US6776876B1 (en) * | 1994-10-13 | 2004-08-17 | Andritz Oy | Method of treating cellulosic pulp to remove hexenuronic acid |
FI102301B1 (en) * | 1994-10-13 | 1998-11-13 | Ahlstrom Machinery Oy | Process for treating cellulose pulp |
FI105701B (en) * | 1995-10-20 | 2000-09-29 | Ahlstrom Machinery Oy | Method and arrangement for treatment of pulp |
-
1998
- 1998-03-06 FI FI980519A patent/FI119383B/en active IP Right Grant
-
1999
- 1999-03-05 US US09/262,912 patent/US20020056533A1/en not_active Abandoned
- 1999-03-05 ES ES99103920T patent/ES2263236T3/en not_active Expired - Lifetime
- 1999-03-05 DE DE69931295T patent/DE69931295D1/en not_active Expired - Lifetime
- 1999-03-05 PT PT99103920T patent/PT940498E/en unknown
- 1999-03-05 EP EP99103920A patent/EP0940498B1/en not_active Expired - Lifetime
- 1999-03-05 CA CA002264423A patent/CA2264423C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69931295D1 (en) | 2006-06-22 |
EP0940498A1 (en) | 1999-09-08 |
EP0940498B1 (en) | 2006-05-17 |
ES2263236T3 (en) | 2006-12-01 |
US20020056533A1 (en) | 2002-05-16 |
CA2264423A1 (en) | 1999-09-06 |
FI119383B (en) | 2008-10-31 |
CA2264423C (en) | 2003-01-28 |
FI980519A0 (en) | 1998-03-06 |
FI980519A (en) | 1999-09-07 |
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