PT81908B - Processo para a fabricacao de carbonato de sodio anidro denso - Google Patents
Processo para a fabricacao de carbonato de sodio anidro densoInfo
- Publication number
- PT81908B PT81908B PT81908A PT8190886A PT81908B PT 81908 B PT81908 B PT 81908B PT 81908 A PT81908 A PT 81908A PT 8190886 A PT8190886 A PT 8190886A PT 81908 B PT81908 B PT 81908B
- Authority
- PT
- Portugal
- Prior art keywords
- sodium carbonate
- anhydrous sodium
- temperature range
- denso
- manufacture
- Prior art date
Links
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 title abstract 11
- 229910000029 sodium carbonate Inorganic materials 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 229940001593 sodium carbonate Drugs 0.000 abstract 2
- 239000007900 aqueous suspension Substances 0.000 abstract 1
- MQRJBSHKWOFOGF-UHFFFAOYSA-L disodium;carbonate;hydrate Chemical compound O.[Na+].[Na+].[O-]C([O-])=O MQRJBSHKWOFOGF-UHFFFAOYSA-L 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- 229940076133 sodium carbonate monohydrate Drugs 0.000 abstract 1
- 230000007704 transition Effects 0.000 abstract 1
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)
- Polyesters Or Polycarbonates (AREA)
- Saccharide Compounds (AREA)
- External Artificial Organs (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
- Catalysts (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8501398A FR2576589B1 (fr) | 1985-01-30 | 1985-01-30 | Procede de fabrication de carbonate de sodium anhydre dense et carbonate de sodium anhydre dense obtenu par ce procede |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| PT81908A PT81908A (fr) | 1986-02-01 |
| PT81908B true PT81908B (pt) | 1988-02-17 |
Family
ID=9315840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PT81908A PT81908B (pt) | 1985-01-30 | 1986-01-27 | Processo para a fabricacao de carbonato de sodio anidro denso |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP0191512B1 (pt) |
| JP (1) | JPH06102541B2 (pt) |
| CN (1) | CN1009076B (pt) |
| AT (1) | ATE42087T1 (pt) |
| DE (1) | DE3662780D1 (pt) |
| ES (1) | ES8702304A1 (pt) |
| FI (1) | FI78055C (pt) |
| FR (1) | FR2576589B1 (pt) |
| NO (1) | NO168165C (pt) |
| PT (1) | PT81908B (pt) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0742175B1 (en) * | 1995-05-10 | 2001-03-21 | SOLVAY MINERALS, Inc. | Process for production of dense soda ash from soda ash fines |
| ATE215909T1 (de) | 1997-12-23 | 2002-04-15 | Univ Delft Tech | Herstellung von wasserfreiem soda |
| CN106115744B (zh) * | 2016-06-22 | 2017-12-01 | 湖南工业大学 | 一种超细NaHCO3粒子及其制备方法和应用 |
| CN115594201A (zh) * | 2022-12-12 | 2023-01-13 | 山东海化集团有限公司（Cn） | 一种重质纯碱的生产方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE410886A (pt) * | ||||
| 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/fr not_active Expired
-
1986
- 1986-01-20 AT AT86200082T patent/ATE42087T1/de not_active IP Right Cessation
- 1986-01-20 EP EP86200082A patent/EP0191512B1/fr not_active Expired
- 1986-01-20 DE DE8686200082T patent/DE3662780D1/de not_active Expired
- 1986-01-27 PT PT81908A patent/PT81908B/pt unknown
- 1986-01-28 CN CN86100688A patent/CN1009076B/zh not_active Expired
- 1986-01-29 FI FI860425A patent/FI78055C/fi not_active IP Right Cessation
- 1986-01-29 ES ES551363A patent/ES8702304A1/es not_active Expired
- 1986-01-29 NO NO860320A patent/NO168165C/no unknown
- 1986-01-30 JP JP61019177A patent/JPH06102541B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FI78055C (fi) | 1989-06-12 |
| NO168165B (no) | 1991-10-14 |
| NO168165C (no) | 1992-01-22 |
| FR2576589B1 (fr) | 1987-03-27 |
| ES8702304A1 (es) | 1986-12-16 |
| FI860425L (fi) | 1986-07-31 |
| ES551363A0 (es) | 1986-12-16 |
| FI860425A0 (fi) | 1986-01-29 |
| PT81908A (fr) | 1986-02-01 |
| FR2576589A1 (fr) | 1986-08-01 |
| FI78055B (fi) | 1989-02-28 |
| ATE42087T1 (de) | 1989-04-15 |
| CN1009076B (zh) | 1990-08-08 |
| CN86100688A (zh) | 1986-07-30 |
| JPH06102541B2 (ja) | 1994-12-14 |
| EP0191512A1 (fr) | 1986-08-20 |
| NO860320L (no) | 1986-07-31 |
| JPS61178419A (ja) | 1986-08-11 |
| EP0191512B1 (fr) | 1989-04-12 |
| DE3662780D1 (en) | 1989-05-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PD3A | Change of proprietorship |