FI85517C - Foerfarande och apparat foer koncentrering av avlut - Google Patents
Foerfarande och apparat foer koncentrering av avlut Download PDFInfo
- Publication number
- FI85517C FI85517C FI860973A FI860973A FI85517C FI 85517 C FI85517 C FI 85517C FI 860973 A FI860973 A FI 860973A FI 860973 A FI860973 A FI 860973A FI 85517 C FI85517 C FI 85517C
- Authority
- FI
- Finland
- Prior art keywords
- gas
- black liquor
- effluent
- liquor
- concentrating
- 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
- D21C11/10—Concentrating spent liquor by evaporation
Landscapes
- Paper (AREA)
- Saccharide Compounds (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4787685 | 1985-03-11 | ||
JP4787685 | 1985-03-11 | ||
JP11863685 | 1985-05-31 | ||
JP11863685A JPS61282493A (ja) | 1985-05-31 | 1985-05-31 | 黒液濃縮装置 |
JP17549785 | 1985-08-09 | ||
JP60175497A JPS6241390A (ja) | 1985-08-09 | 1985-08-09 | 黒液濃縮方法および装置 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI860973A0 FI860973A0 (fi) | 1986-03-10 |
FI860973A FI860973A (fi) | 1986-09-12 |
FI85517B FI85517B (fi) | 1992-01-15 |
FI85517C true FI85517C (fi) | 1996-12-03 |
Family
ID=27293117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI860973A FI85517C (fi) | 1985-03-11 | 1986-03-10 | Foerfarande och apparat foer koncentrering av avlut |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0194845B1 (no) |
AU (1) | AU583354B2 (no) |
BR (1) | BR8601023A (no) |
DE (1) | DE3676322D1 (no) |
FI (1) | FI85517C (no) |
NO (1) | NO169670C (no) |
NZ (1) | NZ215420A (no) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000028135A1 (en) * | 1998-11-06 | 2000-05-18 | Thor Technology Corporation | Black liquor processing |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1606338A (en) * | 1921-05-19 | 1926-11-09 | Bradley Mckeefe Corp | Treatment of black liquor |
US2240376A (en) * | 1937-01-05 | 1941-04-29 | Svenska Flaektfabriken Ab | Method and apparatus for evaporating sulphate residual liquor |
US2464828A (en) * | 1944-02-22 | 1949-03-22 | West Virginia Pulp & Paper Co | Method of producing lignin from black liquor |
FR1035062A (fr) * | 1951-04-04 | 1953-08-14 | Rech S Thermiques Soc D | Procédé pour la récupération thermique et chimique des résidus de fabrication de cellulose ou matières organiques analogues |
US2936215A (en) * | 1956-12-19 | 1960-05-10 | Combustion Eng | Chemical recovery unit |
DE1119645B (de) * | 1957-01-31 | 1961-12-14 | Escher Wyss Gmbh | Verfahren zur Entfernung von Kieselsaeure aus alkalischen Ablaugen der Zellstoffindustrie |
US2997466A (en) * | 1958-11-04 | 1961-08-22 | West Virginia Pulp & Paper Co | Decantation of lignin |
US3873414A (en) * | 1971-10-25 | 1975-03-25 | Air Liquide | Process for the treatment of black liquor of cellulosic pulp wherein oxidation is performed both before and after black liquor concentration |
JPS58126390A (ja) * | 1982-01-16 | 1983-07-27 | バブコツク日立株式会社 | 効率を高めた直接苛性化方法 |
-
1986
- 1986-03-10 EP EP19860301711 patent/EP0194845B1/en not_active Expired
- 1986-03-10 NO NO860893A patent/NO169670C/no not_active IP Right Cessation
- 1986-03-10 NZ NZ21542086A patent/NZ215420A/xx unknown
- 1986-03-10 DE DE8686301711T patent/DE3676322D1/de not_active Expired - Lifetime
- 1986-03-10 BR BR8601023A patent/BR8601023A/pt not_active IP Right Cessation
- 1986-03-10 FI FI860973A patent/FI85517C/fi not_active IP Right Cessation
- 1986-03-11 AU AU54489/86A patent/AU583354B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
NO860893L (no) | 1986-09-12 |
AU583354B2 (en) | 1989-04-27 |
DE3676322D1 (de) | 1991-02-07 |
AU5448986A (en) | 1986-09-18 |
EP0194845B1 (en) | 1991-01-02 |
EP0194845A3 (en) | 1987-05-06 |
FI85517B (fi) | 1992-01-15 |
FI860973A (fi) | 1986-09-12 |
FI860973A0 (fi) | 1986-03-10 |
BR8601023A (pt) | 1986-11-18 |
EP0194845A2 (en) | 1986-09-17 |
NO169670B (no) | 1992-04-13 |
NZ215420A (en) | 1989-01-06 |
NO169670C (no) | 1992-07-22 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7713422B2 (en) | Black liquor treatment method | |
CA1120211A (en) | Process for the inhibition of the formation of deposits in cellulose pulping and cellulose pulp treating processes | |
US6030493A (en) | Process for recovering chemicals and energy from cellulose spent liquor using multiple gasifiers | |
US3560329A (en) | Process for low sulfide chemical recovery | |
US4911787A (en) | Method for concentrating black liquor with oxidizing followed by CO2 addition | |
FI85517C (fi) | Foerfarande och apparat foer koncentrering av avlut | |
US4268350A (en) | Method of treating pulp bleaching effluents | |
EP2025807A1 (en) | Method to recover chemicals in mechanical pulping | |
CA1163424A (en) | Method for ammonia recovery | |
CA1047232A (en) | Fume control for sulfur dioxide ammonia absorption systems | |
CA2103664C (en) | Method of recovering energy and chemicals from black liquor | |
US5759345A (en) | Process for treating sulphur-containing spent liquor using multi-stage carbonization | |
US3525666A (en) | Process for preparing kraft pulping liquor from black liquor including separate carbonation with combustion gases and evaporation steps | |
JPH0790789A (ja) | クラフト黒液からの薬品の回収方法 | |
BR112020010000A2 (pt) | método para ajustar o equilíbrio de s/na de uma fábrica de celulose, usos de um biorreator, e, sistemas arranjados para ajustar o equilíbrio de s/na de uma fábrica de celulose | |
JP4205855B2 (ja) | ポリサルファイドパルプ化プロセス | |
RU1834940C (ru) | Способ регенерации тепла и химикалиев из отработанного щелока | |
CN102625778B (zh) | 由纤维浆生产的流出液生产氢氧化钠的方法 | |
US3654071A (en) | Process for replacing sodium and sulfur losses and for controlling the sulfide content in sodium- and sulfur-containing cellulosic digesting liquors | |
US5911853A (en) | Method for treating paper mill condensate to reduce the amount of sulfur compounds therein | |
US5562804A (en) | Method for adjusting the sulphur/sodium ratio in the flue gases of a soda recovery boiler | |
CA2707024C (en) | Use of chemical pulp mill steam stripper off gases condensate as reducing agent in chlorine dioxide production | |
CA1277808C (en) | Black liquor concentrating apparatus incorporating black liquor combustion exhaust gas absorbing means | |
CA1043516A (en) | Method for producing oxidized white liquor | |
JP5217540B2 (ja) | クラフトパルプの製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Patent granted |
Owner name: EBARA CORPORATION |
|
MA | Patent expired |