FI800099A - Behandling av svartlut - Google Patents
Behandling av svartlutInfo
- Publication number
- FI800099A FI800099A FI800099A FI800099A FI800099A FI 800099 A FI800099 A FI 800099A FI 800099 A FI800099 A FI 800099A FI 800099 A FI800099 A FI 800099A FI 800099 A FI800099 A FI 800099A
- Authority
- FI
- Finland
- Prior art keywords
- svartlut
- behandling
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0042—Fractionating or concentration of spent liquors by special methods
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH38879 | 1979-01-16 | ||
CH38879 | 1979-01-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
FI800099A true FI800099A (fi) | 1980-07-17 |
FI70057B FI70057B (fi) | 1986-01-31 |
FI70057C FI70057C (fi) | 1986-09-12 |
Family
ID=4185859
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI800099A FI70057C (fi) | 1979-01-16 | 1980-01-14 | Foerfarande foer behandling av svartlut |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0022841B1 (fi) |
CA (1) | CA1130959A (fi) |
DE (1) | DE3068925D1 (fi) |
FI (1) | FI70057C (fi) |
WO (1) | WO1980001490A1 (fi) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1981003506A1 (en) * | 1980-05-27 | 1981-12-10 | Battelle Memorial Institute | Method for processing the used solutions of digestion of lignocellulose materials during the production of paper pulp through the so-cold"sulphite"or"bisulphite"methods |
FI911688A (fi) * | 1991-04-09 | 1992-10-10 | Ahlstroem Oy | Foerfarande foer aotervinning av energi ur cellulosaprocessers avlutar |
FR3039567A1 (fr) * | 2015-07-31 | 2017-02-03 | Commissariat Energie Atomique | Dispositif et procede de traitement de la liqueur noire provenant de la preparation de pate a papier par liquefaction hydrothermale |
CA2998574C (en) * | 2015-09-16 | 2022-07-19 | Sca Forest Products Ab | A batch process for producing bio-oil from spent black liquor |
EP3350289B1 (en) * | 2015-09-16 | 2020-05-06 | SCA Forest Products AB | A continuous process for producing bio-oil from spent black liquor |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE382367C (de) * | 1920-10-24 | 1923-10-01 | Franz Fischer Dr | Verfahren zur Reduktion oder Hydrierung mit Kohlenoxyd |
US3236589A (en) * | 1961-02-03 | 1966-02-22 | Reinhall Rolf Bertil | Method of working up cellulose waste liquor containing sodium and sulfur |
US3733255A (en) * | 1970-10-30 | 1973-05-15 | Us Interior | Conversion of municipal refuse,sewage sludge and other wastes to heavy oil or bitumen |
US3864096A (en) * | 1973-01-04 | 1975-02-04 | Universal Oil Prod Co | Process for converting cellulose |
-
1980
- 1980-01-14 DE DE8080900300T patent/DE3068925D1/de not_active Expired
- 1980-01-14 WO PCT/EP1980/000002 patent/WO1980001490A1/de active IP Right Grant
- 1980-01-14 FI FI800099A patent/FI70057C/fi not_active IP Right Cessation
- 1980-01-15 CA CA343,723A patent/CA1130959A/en not_active Expired
- 1980-07-29 EP EP80900300A patent/EP0022841B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
WO1980001490A1 (fr) | 1980-07-24 |
FI70057C (fi) | 1986-09-12 |
EP0022841A1 (en) | 1981-01-28 |
EP0022841B1 (en) | 1984-08-15 |
CA1130959A (en) | 1982-09-07 |
FI70057B (fi) | 1986-01-31 |
DE3068925D1 (en) | 1984-09-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: METSAELIITON TEOLLISUUS OY |