RO83475B1 - Procedeu de obtinere a carbonatului de calciu precipitat - Google Patents
Procedeu de obtinere a carbonatului de calciu precipitatInfo
- Publication number
- RO83475B1 RO83475B1 RO108342A RO10834282A RO83475B1 RO 83475 B1 RO83475 B1 RO 83475B1 RO 108342 A RO108342 A RO 108342A RO 10834282 A RO10834282 A RO 10834282A RO 83475 B1 RO83475 B1 RO 83475B1
- Authority
- RO
- Romania
- Prior art keywords
- calcium carbonate
- reaction
- sodium
- time
- reaction mixture
- Prior art date
Links
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 title abstract 7
- 229910000019 calcium carbonate Inorganic materials 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000002244 precipitate Substances 0.000 title 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 4
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical compound CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 abstract 2
- 239000011541 reaction mixture Substances 0.000 abstract 2
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 abstract 1
- 239000005639 Lauric acid Substances 0.000 abstract 1
- 239000001110 calcium chloride Substances 0.000 abstract 1
- 229910001628 calcium chloride Inorganic materials 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 238000001033 granulometry Methods 0.000 abstract 1
- 238000000265 homogenisation Methods 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 230000010198 maturation time Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 229940088417 precipitated calcium carbonate Drugs 0.000 abstract 1
- 230000035484 reaction time Effects 0.000 abstract 1
- 239000000344 soap Substances 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- UPDATVKGFTVGQJ-UHFFFAOYSA-N sodium;azane Chemical compound N.[Na+] UPDATVKGFTVGQJ-UHFFFAOYSA-N 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
Classifications
-
- 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
- C01F11/182—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds
- C01F11/183—Preparation of calcium carbonate by carbonation of aqueous solutions and characterised by an additive other than CaCO3-seeds the additive being an organic compound
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
Procedeul de obtinere a carbonatului de calciu precipitat, prin reactia clorurii de calciu cu carbonat de sodiu, conform inventiei, consta în aceea ca, în scopul asigurarii unei granulometrii a produsului finit cuprinsa între 1 si 10 miu m, se supun reactiei lesia finala rezultata din industria sodei amoniacale, cu carbonatul de sodiu, în prezenta de 0,05...0,4% acid lauric sau 1...4% sapun lauric de sodiu fata de carbonatul de calciu rezultat, reactia fiind efectuata la temperatura mediului ambiant, într-un timp de reactie de 1...5 s si un timp de omogenizare a amestecului de reactie de 0,1...0,5 s, urmat de un timp de maturare a suspensiei de carbonat de calciu de 0,75...3 min, din amestecul de reactie impuritatile fiind eliminate prin filtrare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO108342A RO83475B1 (ro) | 1982-08-02 | 1982-08-02 | Procedeu de obtinere a carbonatului de calciu precipitat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO108342A RO83475B1 (ro) | 1982-08-02 | 1982-08-02 | Procedeu de obtinere a carbonatului de calciu precipitat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO83475A2 RO83475A2 (ro) | 1984-04-12 |
| RO83475B1 true RO83475B1 (ro) | 1984-05-30 |
Family
ID=20111910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO108342A RO83475B1 (ro) | 1982-08-02 | 1982-08-02 | Procedeu de obtinere a carbonatului de calciu precipitat |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO83475B1 (ro) |
-
1982
- 1982-08-02 RO RO108342A patent/RO83475B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO83475A2 (ro) | 1984-04-12 |
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