CA1309562C - Procede chimio-mecanique de fabrication de pate a papier utilisant du carbonate de sodium et du sulfite de sodium - Google Patents
Procede chimio-mecanique de fabrication de pate a papier utilisant du carbonate de sodium et du sulfite de sodiumInfo
- Publication number
- CA1309562C CA1309562C CA 608736 CA608736A CA1309562C CA 1309562 C CA1309562 C CA 1309562C CA 608736 CA608736 CA 608736 CA 608736 A CA608736 A CA 608736A CA 1309562 C CA1309562 C CA 1309562C
- Authority
- CA
- Canada
- Prior art keywords
- sulphite
- sodium
- high yield
- wood
- sodium carbonate
- 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.)
- Expired
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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
Landscapes
- Paper (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 608736 CA1309562C (fr) | 1989-08-18 | 1989-08-18 | Procede chimio-mecanique de fabrication de pate a papier utilisant du carbonate de sodium et du sulfite de sodium |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA 608736 CA1309562C (fr) | 1989-08-18 | 1989-08-18 | Procede chimio-mecanique de fabrication de pate a papier utilisant du carbonate de sodium et du sulfite de sodium |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1309562C true CA1309562C (fr) | 1992-11-03 |
Family
ID=4140468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 608736 Expired CA1309562C (fr) | 1989-08-18 | 1989-08-18 | Procede chimio-mecanique de fabrication de pate a papier utilisant du carbonate de sodium et du sulfite de sodium |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA1309562C (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10000889B2 (en) | 2007-06-12 | 2018-06-19 | Westrock Mwv, Llc | High yield and enhanced performance fiber |
US10060075B2 (en) | 2007-06-12 | 2018-08-28 | Westrock Mwv, Llc | Fiber blend having high yield and enhanced pulp performance and method for making same |
-
1989
- 1989-08-18 CA CA 608736 patent/CA1309562C/fr not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10000889B2 (en) | 2007-06-12 | 2018-06-19 | Westrock Mwv, Llc | High yield and enhanced performance fiber |
US10060075B2 (en) | 2007-06-12 | 2018-08-28 | Westrock Mwv, Llc | Fiber blend having high yield and enhanced pulp performance and method for making same |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKLA | Lapsed |