CA2139246A1 - Procede de blanchiment de pate renfermant de la lignocellulose - Google Patents
Procede de blanchiment de pate renfermant de la lignocelluloseInfo
- Publication number
- CA2139246A1 CA2139246A1 CA002139246A CA2139246A CA2139246A1 CA 2139246 A1 CA2139246 A1 CA 2139246A1 CA 002139246 A CA002139246 A CA 002139246A CA 2139246 A CA2139246 A CA 2139246A CA 2139246 A1 CA2139246 A1 CA 2139246A1
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- hydrogen peroxide
- magnesium
- compound
- chlorine
- Prior art date
- 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.)
- Abandoned
Links
Landscapes
- Paper (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9101301A SE470065C (sv) | 1991-04-30 | 1991-04-30 | Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning |
SE9101301-1 | 1991-04-30 | ||
CA002067296A CA2067296C (fr) | 1991-04-30 | 1992-04-27 | Procede de blanchiment de pate contenant de la lignocellulose |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002067296A Division CA2067296C (fr) | 1991-04-30 | 1992-04-27 | Procede de blanchiment de pate contenant de la lignocellulose |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2139246A1 true CA2139246A1 (fr) | 1992-10-31 |
Family
ID=25675106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002139246A Abandoned CA2139246A1 (fr) | 1991-04-30 | 1992-04-27 | Procede de blanchiment de pate renfermant de la lignocellulose |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2139246A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6776876B1 (en) | 1994-10-13 | 2004-08-17 | Andritz Oy | Method of treating cellulosic pulp to remove hexenuronic acid |
-
1992
- 1992-04-27 CA CA002139246A patent/CA2139246A1/fr not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6776876B1 (en) | 1994-10-13 | 2004-08-17 | Andritz Oy | Method of treating cellulosic pulp to remove hexenuronic acid |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
FZDE | Dead |