RO94194B1 - Procedeu continuu de obtinere a dioxidului de siliciu activ - Google Patents
Procedeu continuu de obtinere a dioxidului de siliciu activInfo
- Publication number
- RO94194B1 RO94194B1 RO121998A RO12199886A RO94194B1 RO 94194 B1 RO94194 B1 RO 94194B1 RO 121998 A RO121998 A RO 121998A RO 12199886 A RO12199886 A RO 12199886A RO 94194 B1 RO94194 B1 RO 94194B1
- Authority
- RO
- Romania
- Prior art keywords
- continuous process
- active silicon
- silicon oxide
- obtaining active
- silicon dioxide
- Prior art date
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title abstract 7
- 238000010924 continuous production Methods 0.000 title abstract 2
- 229910052814 silicon oxide Inorganic materials 0.000 title 1
- 239000000377 silicon dioxide Substances 0.000 abstract 3
- 235000012239 silicon dioxide Nutrition 0.000 abstract 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 abstract 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 1
- 239000004115 Sodium Silicate Substances 0.000 abstract 1
- 239000001110 calcium chloride Substances 0.000 abstract 1
- 229910001628 calcium chloride Inorganic materials 0.000 abstract 1
- 235000011148 calcium chloride Nutrition 0.000 abstract 1
- 239000000378 calcium silicate Substances 0.000 abstract 1
- 229910052918 calcium silicate Inorganic materials 0.000 abstract 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 230000000295 complement effect Effects 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 abstract 1
- 229910052911 sodium silicate Inorganic materials 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
Landscapes
- Silicon Compounds (AREA)
Abstract
Inventia se refera la un procedeu continuu de obtinere a dioxidului de siliciu activ, folosit ca agent de rambrusare a cauciucurilor si constituie o inventie complementara de inventia principala brevet nr.79356. Dioxidul de siliciu se obtine prin precipitare din silicat de sodiu cu lesie finala (CaCl2 +NaCl) reziduu din industria sodei acidulata preliminar. Silicatul de calciu rezultat trateaza în continuare cu HCl pentru trecere în SiO2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO121998A RO94194B1 (ro) | 1986-01-27 | 1986-01-27 | Procedeu continuu de obtinere a dioxidului de siliciu activ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO121998A RO94194B1 (ro) | 1986-01-27 | 1986-01-27 | Procedeu continuu de obtinere a dioxidului de siliciu activ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO94194A3 RO94194A3 (ro) | 1988-04-30 |
| RO94194B1 true RO94194B1 (ro) | 1988-05-01 |
Family
ID=20118924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO121998A RO94194B1 (ro) | 1986-01-27 | 1986-01-27 | Procedeu continuu de obtinere a dioxidului de siliciu activ |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO94194B1 (ro) |
-
1986
- 1986-01-27 RO RO121998A patent/RO94194B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO94194A3 (ro) | 1988-04-30 |
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