AU583354B2 - A process for concentrating a waste liquor and an apparatus therefor - Google Patents
A process for concentrating a waste liquor and an apparatus thereforInfo
- Publication number
- AU583354B2 AU583354B2 AU54489/86A AU5448986A AU583354B2 AU 583354 B2 AU583354 B2 AU 583354B2 AU 54489/86 A AU54489/86 A AU 54489/86A AU 5448986 A AU5448986 A AU 5448986A AU 583354 B2 AU583354 B2 AU 583354B2
- Authority
- AU
- Australia
- Prior art keywords
- concentrating
- apparatus therefor
- waste liquor
- liquor
- waste
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP60-47876 | 1985-03-11 | ||
JP4787685 | 1985-03-11 | ||
JP60-118636 | 1985-05-31 | ||
JP11863685A JPS61282493A (ja) | 1985-05-31 | 1985-05-31 | 黒液濃縮装置 |
JP60-175497 | 1985-08-09 | ||
JP60175497A JPS6241390A (ja) | 1985-08-09 | 1985-08-09 | 黒液濃縮方法および装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
AU5448986A AU5448986A (en) | 1986-09-18 |
AU583354B2 true AU583354B2 (en) | 1989-04-27 |
Family
ID=27293117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU54489/86A Ceased AU583354B2 (en) | 1985-03-11 | 1986-03-11 | A process for concentrating a waste liquor and an apparatus therefor |
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 |
DE3676322D1 (de) | 1991-02-07 |
AU5448986A (en) | 1986-09-18 |
EP0194845B1 (en) | 1991-01-02 |
EP0194845A3 (en) | 1987-05-06 |
FI85517C (fi) | 1996-12-03 |
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |