FI853215A0 - FOERFARANDE FOER FOERBAETTRING AV RENHETEN HOS ALKALIMETALLHYDROXIDER. - Google Patents
FOERFARANDE FOER FOERBAETTRING AV RENHETEN HOS ALKALIMETALLHYDROXIDER.Info
- Publication number
- FI853215A0 FI853215A0 FI853215A FI853215A FI853215A0 FI 853215 A0 FI853215 A0 FI 853215A0 FI 853215 A FI853215 A FI 853215A FI 853215 A FI853215 A FI 853215A FI 853215 A0 FI853215 A0 FI 853215A0
- Authority
- FI
- Finland
- Prior art keywords
- renheten
- alkalimetallhydroxider
- hos
- foerfarande foer
- foer foerbaettring
- 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
- D21C11/12—Combustion of pulp liquors
- D21C11/122—Treatment, e.g. dissolution, of the smelt
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
- C01D1/04—Hydroxides
- C01D1/28—Purification; Separation
- C01D1/32—Purification; Separation by absorption or precipitation
-
- 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
- D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPG300983 | 1983-12-23 | ||
PCT/AU1984/000270 WO1985002834A1 (en) | 1983-12-23 | 1984-12-24 | Method of improving the purity of alkali-metal hydroxides |
Publications (2)
Publication Number | Publication Date |
---|---|
FI853215A0 true FI853215A0 (en) | 1985-08-21 |
FI853215L FI853215L (en) | 1985-08-21 |
Family
ID=3770460
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI853215A FI853215L (en) | 1983-12-23 | 1985-08-21 | FOERFARANDE FOER FOERBAETTRING AV RENHETEN HOS ALKALIMETALLHYDROXIDER. |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0165945A4 (en) |
JP (1) | JPS61500783A (en) |
AU (1) | AU3785285A (en) |
BR (1) | BR8407243A (en) |
FI (1) | FI853215L (en) |
IT (1) | IT1177487B (en) |
WO (1) | WO1985002834A1 (en) |
ZA (1) | ZA849901B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0784716B2 (en) * | 1985-10-29 | 1995-09-13 | 三菱重工業株式会社 | Method for recovering caustic soda from alkaline pulp waste liquor |
EP4153811A4 (en) * | 2020-05-22 | 2024-06-19 | Suzano S.A. | Methods of treating a kraft process recovery cicle to reduce metal levels at the kraft process |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB335371A (en) * | 1929-07-15 | 1930-09-25 | Erik Ludvig Rinman | Method of alkalizing the waste liquors from the soda or sulphate pulp manufacture for the purpose of dry distilling the same |
GB381697A (en) * | 1931-09-19 | 1932-10-13 | Erik Ludvig Rinman | Method of relieving alkaline waste liquors from the soda or sulphate pulp manufacture, of silica |
NL71715C (en) * | 1948-12-20 | |||
NL232042A (en) * | 1958-01-29 | |||
AU450309B2 (en) * | 1972-11-13 | 1974-07-04 | Oji Paper Co. Ltd. | Method for directly converting sodium carbonate into caustic soda and application of said method to pulp and paper industry |
US4224289A (en) * | 1978-04-20 | 1980-09-23 | Australian Paper Manufacturers Limited | Alkali regeneration process |
CA1188485A (en) * | 1982-03-25 | 1985-06-11 | Kien L. Nguyen | Alkali regeneration process |
-
1984
- 1984-12-19 ZA ZA849901A patent/ZA849901B/en unknown
- 1984-12-21 IT IT24161/84A patent/IT1177487B/en active
- 1984-12-24 BR BR8407243A patent/BR8407243A/en unknown
- 1984-12-24 EP EP19850900029 patent/EP0165945A4/en not_active Withdrawn
- 1984-12-24 AU AU37852/85A patent/AU3785285A/en not_active Abandoned
- 1984-12-24 JP JP60500269A patent/JPS61500783A/en active Pending
- 1984-12-24 WO PCT/AU1984/000270 patent/WO1985002834A1/en not_active Application Discontinuation
-
1985
- 1985-08-21 FI FI853215A patent/FI853215L/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU3785285A (en) | 1985-07-12 |
JPS61500783A (en) | 1986-04-24 |
IT8424161A0 (en) | 1984-12-21 |
EP0165945A1 (en) | 1986-01-02 |
BR8407243A (en) | 1985-11-26 |
EP0165945A4 (en) | 1986-07-17 |
IT1177487B (en) | 1987-08-26 |
WO1985002834A1 (en) | 1985-07-04 |
FI853215L (en) | 1985-08-21 |
ZA849901B (en) | 1985-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |
Owner name: NORTH BROKEN HILL LIMITED |