FI860425A0 - FOERFARANDE FOER FRAMSTAELLNING AV TAETT VATTENFRITT SATRIUMKARBONAT OCH MEDELST DETTA FOERFARANDE FRAMSTAELLT TAETT VATTENFRITT SATRIUMKARBONAT. - Google Patents
FOERFARANDE FOER FRAMSTAELLNING AV TAETT VATTENFRITT SATRIUMKARBONAT OCH MEDELST DETTA FOERFARANDE FRAMSTAELLT TAETT VATTENFRITT SATRIUMKARBONAT.Info
- Publication number
- FI860425A0 FI860425A0 FI860425A FI860425A FI860425A0 FI 860425 A0 FI860425 A0 FI 860425A0 FI 860425 A FI860425 A FI 860425A FI 860425 A FI860425 A FI 860425A FI 860425 A0 FI860425 A0 FI 860425A0
- Authority
- FI
- Finland
- Prior art keywords
- vattenfritt
- taett
- satriumkarbonat
- foerfarande
- sodium carbonate
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D7/00—Carbonates of sodium, potassium or alkali metals in general
- C01D7/35—Varying the content of water of crystallisation or the specific gravity
- C01D7/37—Densifying sodium carbonate
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Polyesters Or Polycarbonates (AREA)
- Catalysts (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Saccharide Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- External Artificial Organs (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Abstract
1. Process for manufacturing dense anhydrous sodium carbonate, according to which light anhydrous sodium carbonate (2) is added to an aqueous sodium carbonate solution (6) and the resulting mixture (1) is treated within a temperature range above the transition temperature of sodium carbonate monohydrate to anhydrous sodium carbonate, characterized in that a saturated aqueous sodium carbonate solution (6) is employed, the addition of the light anhydrous sodium carbonate (2) to the said solution is performed within the abovementioned temperature range and the resulting aqueous suspension is subjected to a maturing treatment within this temperature range.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8501398A FR2576589B1 (en) | 1985-01-30 | 1985-01-30 | PROCESS FOR THE MANUFACTURE OF DENSE ANHYDROUS SODIUM CARBONATE AND DENSE ANHYDROUS SODIUM CARBONATE OBTAINED BY THIS PROCESS |
| FR8501398 | 1985-01-30 |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI860425A0 true FI860425A0 (en) | 1986-01-29 |
| FI860425A FI860425A (en) | 1986-07-31 |
| FI78055B FI78055B (en) | 1989-02-28 |
| FI78055C FI78055C (en) | 1989-06-12 |
Family
ID=9315840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI860425A FI78055C (en) | 1985-01-30 | 1986-01-29 | FOERFARANDE FOER FRAMSTAELLNING AV TAETT VATTENFRITT SATRIUMKARBONAT OCH MEDELST DETTA FOERFARANDE FRAMSTAELLT TAETT VATTENFRITT SATRIUMKARBONAT. |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0191512B1 (en) |
| JP (1) | JPH06102541B2 (en) |
| CN (1) | CN1009076B (en) |
| AT (1) | ATE42087T1 (en) |
| DE (1) | DE3662780D1 (en) |
| ES (1) | ES8702304A1 (en) |
| FI (1) | FI78055C (en) |
| FR (1) | FR2576589B1 (en) |
| NO (1) | NO168165C (en) |
| PT (1) | PT81908B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69612133T2 (en) * | 1995-05-10 | 2001-10-18 | Solvay Minerals, Inc. | Process for the production of dense sodium carbonate from sodium carbonate fine particles |
| EP1042226B1 (en) | 1997-12-23 | 2002-04-10 | Technische Universiteit Delft | Production of water-free soda |
| CN106115744B (en) * | 2016-06-22 | 2017-12-01 | 湖南工业大学 | A kind of ultra-fine NaHCO3Particle and its preparation method and application |
| CN115594201A (en) * | 2022-12-12 | 2023-01-13 | 山东海化集团有限公司（Cn） | Production method of heavy soda ash |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE410886A (en) * | ||||
| US1907987A (en) * | 1930-09-08 | 1933-05-09 | Pittsburgh Plate Glass Co | Soda ash |
| JPS557530A (en) * | 1978-06-30 | 1980-01-19 | Toyo Soda Mfg Co Ltd | Manufacture of anhydrous sodium carbonate |
-
1985
- 1985-01-30 FR FR8501398A patent/FR2576589B1/en not_active Expired
-
1986
- 1986-01-20 DE DE8686200082T patent/DE3662780D1/en not_active Expired
- 1986-01-20 EP EP86200082A patent/EP0191512B1/en not_active Expired
- 1986-01-20 AT AT86200082T patent/ATE42087T1/en not_active IP Right Cessation
- 1986-01-27 PT PT81908A patent/PT81908B/en unknown
- 1986-01-28 CN CN86100688A patent/CN1009076B/en not_active Expired
- 1986-01-29 ES ES551363A patent/ES8702304A1/en not_active Expired
- 1986-01-29 NO NO860320A patent/NO168165C/en unknown
- 1986-01-29 FI FI860425A patent/FI78055C/en not_active IP Right Cessation
- 1986-01-30 JP JP61019177A patent/JPH06102541B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06102541B2 (en) | 1994-12-14 |
| PT81908A (en) | 1986-02-01 |
| FI860425A (en) | 1986-07-31 |
| ATE42087T1 (en) | 1989-04-15 |
| FI78055C (en) | 1989-06-12 |
| PT81908B (en) | 1988-02-17 |
| CN86100688A (en) | 1986-07-30 |
| ES551363A0 (en) | 1986-12-16 |
| NO860320L (en) | 1986-07-31 |
| CN1009076B (en) | 1990-08-08 |
| FR2576589B1 (en) | 1987-03-27 |
| EP0191512A1 (en) | 1986-08-20 |
| JPS61178419A (en) | 1986-08-11 |
| ES8702304A1 (en) | 1986-12-16 |
| DE3662780D1 (en) | 1989-05-18 |
| FI78055B (en) | 1989-02-28 |
| NO168165C (en) | 1992-01-22 |
| FR2576589A1 (en) | 1986-08-01 |
| EP0191512B1 (en) | 1989-04-12 |
| NO168165B (en) | 1991-10-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG | Patent granted |
Owner name: SOLVAY & CIE |
|
| MA | Patent expired |