AT378381B - METHOD FOR PROCESSING DIGESTIVE CHEMICALS IN CELLULOSE PRODUCTION - Google Patents
METHOD FOR PROCESSING DIGESTIVE CHEMICALS IN CELLULOSE PRODUCTIONInfo
- Publication number
- AT378381B AT378381B AT374982A AT374982A AT378381B AT 378381 B AT378381 B AT 378381B AT 374982 A AT374982 A AT 374982A AT 374982 A AT374982 A AT 374982A AT 378381 B AT378381 B AT 378381B
- Authority
- AT
- Austria
- Prior art keywords
- processing
- cellulose production
- digestive
- chemicals
- digestive chemicals
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F11/00—Compounds of calcium, strontium, or barium
- C01F11/02—Oxides or hydroxides
-
- 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
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8105886A SE448102B (en) | 1981-10-13 | 1981-10-13 | PROCEDURE FOR PREPARING COOKING CHEMICALS FOR CELLULOSAMAS PREPARATION |
Publications (2)
Publication Number | Publication Date |
---|---|
ATA374982A ATA374982A (en) | 1984-12-15 |
AT378381B true AT378381B (en) | 1985-07-25 |
Family
ID=20344708
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT374982A AT378381B (en) | 1981-10-13 | 1982-10-11 | METHOD FOR PROCESSING DIGESTIVE CHEMICALS IN CELLULOSE PRODUCTION |
Country Status (5)
Country | Link |
---|---|
AT (1) | AT378381B (en) |
CA (1) | CA1184006A (en) |
FI (1) | FI73754C (en) |
FR (1) | FR2514383B1 (en) |
SE (1) | SE448102B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2226127A1 (en) * | 1995-07-11 | 1997-01-30 | Andritz-Ahlstrom Oy | Method of separating impurities from lime and lime sludge and a method of causticizing green liquor containing impurities, such as silicon, in two stages |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3258391A (en) * | 1961-08-25 | 1966-06-28 | Eimco Corp | Chemical recovery in pulp manufacture |
US3635670A (en) * | 1969-06-11 | 1972-01-18 | Allied Chem | Recovery of dilute caustic soda solutions from spent liquors containing hemicellulose |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3120464A (en) * | 1960-11-29 | 1964-02-04 | Nat Council For Stream Improve | Decolorizing kraft waste liquors |
FI49331C (en) * | 1973-06-27 | 1975-05-12 | Ahlstroem Oy | The method of removing paint from the pulp mill effluent and the device for applying the method. |
FI53728C (en) * | 1974-03-12 | 1978-07-10 | Ahlstroem Oy | FOERFARANDE FOER AOTERVINNING AV KEMIKALIER UR AVLUTAR FRAON SULFATCELLULOSAKOK OCH AVFALLSVATTEN FRAON BLEKNING |
-
1981
- 1981-10-13 SE SE8105886A patent/SE448102B/en not_active IP Right Cessation
-
1982
- 1982-10-07 CA CA000413062A patent/CA1184006A/en not_active Expired
- 1982-10-08 FI FI823417A patent/FI73754C/en not_active IP Right Cessation
- 1982-10-11 AT AT374982A patent/AT378381B/en not_active IP Right Cessation
- 1982-10-12 FR FR8217338A patent/FR2514383B1/en not_active Expired
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3258391A (en) * | 1961-08-25 | 1966-06-28 | Eimco Corp | Chemical recovery in pulp manufacture |
US3635670A (en) * | 1969-06-11 | 1972-01-18 | Allied Chem | Recovery of dilute caustic soda solutions from spent liquors containing hemicellulose |
Also Published As
Publication number | Publication date |
---|---|
FI823417L (en) | 1983-04-14 |
ATA374982A (en) | 1984-12-15 |
SE8105886L (en) | 1983-04-14 |
SE448102B (en) | 1987-01-19 |
FR2514383B1 (en) | 1986-08-22 |
FI823417A0 (en) | 1982-10-08 |
FI73754B (en) | 1987-07-31 |
FR2514383A1 (en) | 1983-04-15 |
CA1184006A (en) | 1985-03-19 |
FI73754C (en) | 1987-11-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |