FI222674A - - Google Patents
Info
- Publication number
- FI222674A FI222674A FI2226/74A FI222674A FI222674A FI 222674 A FI222674 A FI 222674A FI 2226/74 A FI2226/74 A FI 2226/74A FI 222674 A FI222674 A FI 222674A FI 222674 A FI222674 A FI 222674A
- Authority
- FI
- Finland
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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
-
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7310328A SE387673B (sv) | 1973-07-25 | 1973-07-25 | Forfarande for nyttiggorande av aktivt alkali vid natriumbaserade cellulosafabriker, varvid kokavluten forbrennes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FI222674A true FI222674A (no) | 1975-01-26 |
Family
ID=20318124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI2226/74A FI222674A (no) | 1973-07-25 | 1974-07-22 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS5225441B2 (no) |
| BR (1) | BR7406110D0 (no) |
| CA (1) | CA1043516A (no) |
| FI (1) | FI222674A (no) |
| NO (1) | NO141318C (no) |
| SE (1) | SE387673B (no) |
| ZA (1) | ZA744751B (no) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53155236U (no) * | 1977-05-12 | 1978-12-06 | ||
| FR2576892B1 (fr) * | 1985-02-04 | 1987-08-14 | Air Liquide | Procede d'oxydation de substances dissoutes ou en suspension dans une solution aqueuse |
| FI20175925A1 (en) * | 2017-10-20 | 2019-04-21 | Valmet Technologies Oy | Method and system for removing hydrogen sulphide ions (HS-) from the pulp of the pulp mill process |
| EP4428297A1 (en) * | 2023-03-06 | 2024-09-11 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Process to obtain fully oxidized white liquor for use in the fiberline of a kraft pulp process |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2772240A (en) * | 1950-06-10 | 1956-11-27 | Trobeck Karl Gustaf | Method of treating residual liquors obtained in the manufacture of pulp by the sulphate cellulose process |
| US3366534A (en) * | 1964-08-14 | 1968-01-30 | Hooker Chemical Corp | Complete chemical system for a kraft mill |
-
1973
- 1973-07-25 SE SE7310328A patent/SE387673B/xx unknown
-
1974
- 1974-07-04 NO NO742437A patent/NO141318C/no unknown
- 1974-07-22 FI FI2226/74A patent/FI222674A/fi unknown
- 1974-07-23 CA CA205,447A patent/CA1043516A/en not_active Expired
- 1974-07-24 BR BR6110/74A patent/BR7406110D0/pt unknown
- 1974-07-24 JP JP49085574A patent/JPS5225441B2/ja not_active Expired
- 1974-07-25 ZA ZA00744751A patent/ZA744751B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO141318C (no) | 1980-02-13 |
| ZA744751B (en) | 1975-08-27 |
| SE387673B (sv) | 1976-09-13 |
| JPS5042101A (no) | 1975-04-17 |
| NO742437L (no) | 1975-02-24 |
| NO141318B (no) | 1979-11-05 |
| SE7310328L (no) | 1975-01-27 |
| JPS5225441B2 (no) | 1977-07-07 |
| BR7406110D0 (pt) | 1975-05-13 |
| CA1043516A (en) | 1978-12-05 |