SE8702919L - Forfarande for kausticering av en alkalikarbonathaltig vattenlosning - Google Patents
Forfarande for kausticering av en alkalikarbonathaltig vattenlosningInfo
- Publication number
- SE8702919L SE8702919L SE8702919A SE8702919A SE8702919L SE 8702919 L SE8702919 L SE 8702919L SE 8702919 A SE8702919 A SE 8702919A SE 8702919 A SE8702919 A SE 8702919A SE 8702919 L SE8702919 L SE 8702919L
- Authority
- SE
- Sweden
- Prior art keywords
- causticizing
- pct
- carbonate
- alkali
- hydroxide
- Prior art date
Links
- 238000009993 causticizing Methods 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- 239000007864 aqueous solution Substances 0.000 title 1
- 239000003513 alkali Substances 0.000 abstract 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 3
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 abstract 3
- 239000000292 calcium oxide Substances 0.000 abstract 3
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 3
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 2
- 239000000920 calcium hydroxide Substances 0.000 abstract 2
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 abstract 2
- 229910001854 alkali hydroxide Inorganic materials 0.000 abstract 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 abstract 1
- 239000002244 precipitate Substances 0.000 abstract 1
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
- D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
-
- 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
- C01D1/20—Preparation by reacting oxides or hydroxides with alkali metal salts
- C01D1/22—Preparation by reacting oxides or hydroxides with alkali metal salts with carbonates or bicarbonates
-
- 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
- C01F11/18—Carbonates
-
- 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
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/03—Papermaking liquor
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Paper (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Fertilizers (AREA)
- Treating Waste Gases (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI854628A FI73755C (sv) | 1985-11-22 | 1985-11-22 | Förfarande för kausticering av en alkalikarbonathaltig vattenlösning. |
| PCT/FI1986/000131 WO1987003314A1 (en) | 1985-11-22 | 1986-11-21 | A process for causticizing of an aqueous solution containing alkali carbonate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE8702919L true SE8702919L (sv) | 1987-07-20 |
| SE8702919D0 SE8702919D0 (sv) | 1987-07-20 |
Family
ID=8521731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE8702919A SE8702919D0 (sv) | 1985-11-22 | 1987-07-20 | Forfarande for kausticering av en alkalikarbonathaltig vattenlosning |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4894217A (sv) |
| JP (1) | JPS63502102A (sv) |
| FI (1) | FI73755C (sv) |
| SE (1) | SE8702919D0 (sv) |
| WO (1) | WO1987003314A1 (sv) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE460728B (sv) * | 1988-11-17 | 1989-11-13 | Smidth & Co As F L | Foerfarande och anlaeggning vid behandling av mesa |
| PT851839E (pt) * | 1995-09-20 | 2002-09-30 | Chemical Lime Ltd | Processo para o fabrico de carbonato de calcio de elevada pureza |
| WO1998025852A1 (fr) * | 1996-12-09 | 1998-06-18 | Nippon Paper Industries Co., Ltd. | Procede de preparation de carbonate de calcium |
| ATE427378T1 (de) * | 1999-05-07 | 2009-04-15 | Metso Fiber Karlstad Ab | Verfahren und zufuhrvorrichtung |
| US6251356B1 (en) | 1999-07-21 | 2001-06-26 | G. R. International, Inc. | High speed manufacturing process for precipitated calcium carbonate employing sequential perssure carbonation |
| US6387348B1 (en) * | 2000-01-12 | 2002-05-14 | The Boc Group, Inc. | Method for treating spent caustic streams |
| JP3808263B2 (ja) * | 2000-01-18 | 2006-08-09 | 日本製紙株式会社 | 炭酸カルシウムの製造方法 |
| US7048900B2 (en) * | 2001-01-31 | 2006-05-23 | G.R. International, Inc. | Method and apparatus for production of precipitated calcium carbonate and silicate compounds in common process equipment |
| US8728428B1 (en) * | 2013-03-13 | 2014-05-20 | Carbon Engineering Limited Partnership | Recovering a caustic solution via calcium carbonate crystal aggregates |
| US9637393B2 (en) | 2014-05-19 | 2017-05-02 | Carbon Engineering Limited Partnership | Recovering a caustic solution via calcium carbonate crystal aggregates |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1754208A (en) * | 1926-10-20 | 1930-04-08 | Bradley Mckeefe Corp | Production of cooking liquor which contains sodium hydroxide |
| US2211908A (en) * | 1937-11-18 | 1940-08-20 | Mead Corp | Manufacture of caustic soda and calcium carbonate |
| US2287886A (en) * | 1940-05-17 | 1942-06-30 | William P Kellett | Container ship |
| US2552183A (en) * | 1945-04-07 | 1951-05-08 | Dorr Co | Two-stage causticizing |
| US3268388A (en) * | 1963-08-20 | 1966-08-23 | Glatfelter Co P H | Manufacture of calcium carbonate |
| US4668342A (en) * | 1985-12-03 | 1987-05-26 | Canadian Patents And Development Ltd. | Recausticizing kraft green liquor |
-
1985
- 1985-11-22 FI FI854628A patent/FI73755C/sv not_active IP Right Cessation
-
1986
- 1986-11-21 US US07/128,652 patent/US4894217A/en not_active Expired - Fee Related
- 1986-11-21 JP JP61506287A patent/JPS63502102A/ja active Pending
- 1986-11-21 WO PCT/FI1986/000131 patent/WO1987003314A1/en unknown
-
1987
- 1987-07-20 SE SE8702919A patent/SE8702919D0/sv not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63502102A (ja) | 1988-08-18 |
| FI73755B (fi) | 1987-07-31 |
| FI854628A (fi) | 1987-05-23 |
| FI73755C (sv) | 1987-11-09 |
| US4894217A (en) | 1990-01-16 |
| FI854628A0 (fi) | 1985-11-22 |
| SE8702919D0 (sv) | 1987-07-20 |
| WO1987003314A1 (en) | 1987-06-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE3462806D1 (en) | Process for recovering waste paper | |
| DK560881A (da) | Fremgangsmaade til fremstilling af findelt faeldet calciumcarbonat | |
| ES2024666B3 (es) | Procedimiento para la obtencion de un oxido cerico. | |
| EP0211685A3 (en) | Ejector, paticularly for the neutralization of aqueous alkaline solutions by carbon dioxide | |
| GB2110932A (en) | Method and composition for treating acne | |
| SE8702919L (sv) | Forfarande for kausticering av en alkalikarbonathaltig vattenlosning | |
| BR8805400A (pt) | Metodo para limpeza de solucao verde em moinhos de polpa de sulfato | |
| PH24628A (en) | Solution containing lysozyme hydrochloride and dipotassium glycyrrhizinate | |
| DE3065544D1 (en) | Process for regenerating waste paper | |
| ES2029787T3 (es) | Procedimiento para la preparacion de (2,2)-paraciclofanos halogenados y mezclas de (2,2)-paraciclofanos halogenados resultantes. | |
| BR8705694A (pt) | Processo de recuperacao do galio contido em uma solucao aquosa de aluminato de sodio fortemente alcalina | |
| TR27183A (tr) | Sulu sodyum hidrotsit cözeltisinin imalati icin bir islem. | |
| TW375596B (en) | Process for treating aqueous media containing metal ions | |
| NZ218076A (en) | Process for recovering sodium hydroxide from alkaline pulp waste liquor | |
| BR9510143A (pt) | Processo de co-produção de carbonato de cálcio e de hidróxido de sódio | |
| PT84297A (en) | Method for the preservation of wood | |
| GB2137658B (en) | Electrolyzing dilute caustic alkali aqueous solution and apparatus therefor | |
| DE3766741D1 (de) | Vorrichtung zur erzeugung von ultrahochdruck. | |
| BR9007543A (pt) | Processo de obtencao de estanatos de metal | |
| JPS53113299A (en) | Method of concentrating caustic alkaline sulution for ion exchange membrane electrolysis | |
| ES511421A0 (es) | "un procedimiento de extraccion de soluciones acuosas a purificar, que contiene carbonato, sulfato, hidroxido o hidrogenocarbonato y arseniato alcalinos". | |
| AR244555A1 (es) | Una solucion acuosa para el tratamiento de lentes de contacto. | |
| ES2057887T3 (es) | Procedimiento para la preparacion de resorcinol-bis-(dihidroxietil)-eter. | |
| AU600510B2 (en) | Process for the recovery of gallium contained in a sodium aluminate solution | |
| ES551363A0 (es) | Procedimiento para fabricar carbonato de sodio anhidro denso |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAV | Patent application has lapsed |
Ref document number: 8702919-5 Effective date: 19891027 |