SE374769B - - Google Patents
Info
- Publication number
- SE374769B SE374769B SE7103751A SE375171A SE374769B SE 374769 B SE374769 B SE 374769B SE 7103751 A SE7103751 A SE 7103751A SE 375171 A SE375171 A SE 375171A SE 374769 B SE374769 B SE 374769B
- Authority
- SE
- Sweden
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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/026—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of O2, e.g. air
-
- 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
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
- D21C3/263—Multistage processes at least one stage being in presence of oxygen
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA79124 | 1970-04-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE374769B true SE374769B (it) | 1975-03-17 |
Family
ID=4086580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7103751A SE374769B (it) | 1970-04-03 | 1971-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| SE (1) | SE374769B (it) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1982001019A1 (en) * | 1980-09-22 | 1982-04-01 | Nardi F | Process to produce pulps |
-
1971
- 1971-03-23 SE SE7103751A patent/SE374769B/xx unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1982001019A1 (en) * | 1980-09-22 | 1982-04-01 | Nardi F | Process to produce pulps |