RO93136B1 - Procedeu de obtinere a criolitului - Google Patents
Procedeu de obtinere a criolituluiInfo
- Publication number
- RO93136B1 RO93136B1 RO120390A RO12039085A RO93136B1 RO 93136 B1 RO93136 B1 RO 93136B1 RO 120390 A RO120390 A RO 120390A RO 12039085 A RO12039085 A RO 12039085A RO 93136 B1 RO93136 B1 RO 93136B1
- Authority
- RO
- Romania
- Prior art keywords
- cryolite
- obtaining
- temperature
- aluminum hydroxide
- hydrofluoric acid
- Prior art date
Links
- 229910001610 cryolite Inorganic materials 0.000 title abstract 4
- 238000004519 manufacturing process Methods 0.000 title 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 abstract 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 2
- WNROFYMDJYEPJX-UHFFFAOYSA-K aluminium hydroxide Chemical compound [OH-].[OH-].[OH-].[Al+3] WNROFYMDJYEPJX-UHFFFAOYSA-K 0.000 abstract 2
- 238000006243 chemical reaction Methods 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000012535 impurity Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO120390A RO93136B1 (ro) | 1985-10-15 | 1985-10-15 | Procedeu de obtinere a criolitului |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO120390A RO93136B1 (ro) | 1985-10-15 | 1985-10-15 | Procedeu de obtinere a criolitului |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO93136A2 RO93136A2 (fr) | 1987-12-30 |
| RO93136B1 true RO93136B1 (ro) | 1987-12-31 |
Family
ID=20118081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO120390A RO93136B1 (ro) | 1985-10-15 | 1985-10-15 | Procedeu de obtinere a criolitului |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO93136B1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043033C (zh) * | 1994-08-30 | 1999-04-21 | 湘乡铝厂 | 高分子比冰晶石的制造方法 |
-
1985
- 1985-10-15 RO RO120390A patent/RO93136B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO93136A2 (fr) | 1987-12-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| RO86213B (ro) | Procedeu pentru prepararea izobutenei | |
| RO90861B (ro) | Procedeu pentru prepararea etielnglicolului | |
| RO93136B1 (ro) | Procedeu de obtinere a criolitului | |
| GB1520160A (en) | Process for producing sodium fluoride from sodium silicofluoride | |
| GB1529193A (en) | Production of dialkanolamines | |
| SU1712441A1 (ru) | Способ получени черновой сурьмы | |
| SU1608107A1 (ru) | Способ получени смеси фторидов щелочного металла и аммони | |
| Hond | Alumina yield in the Bayer process | |
| RO101832B1 (ro) | PROCEDEU DE SEPARARE A BARIULUI DIN COMPUSI DE STRONTIU SOLUBILI îN APA | |
| RO87083B1 (ro) | Procedeu de separare si purificare a ceriului | |
| SU952741A1 (ru) | Способ получени основных хлоридов алюмини | |
| SU361685A1 (ru) | Способ получения очищенных от калия плавиковокислых растворов тантала | |
| RO98887B1 (ro) | Procedeu de obtinere si purificare a acidului 7-aminocefalosporanic | |
| Kirke | Recent Trends in Bayer Precipitation Practice | |
| SU124929A1 (ru) | Способ получени криолита щелочным методом | |
| SU998343A1 (ru) | Способ получени кристаллического октобората рубиди -кальци | |
| RO82142B1 (ro) | Procedeu de preparare a 8-hidroxichinaldinei | |
| JPS61111915A (ja) | 高純度バイヤライトの製造方法 | |
| GB1375996A (en) | Processes for up-grading alumina | |
| GR81060B (en) | Lorazepam-containing sleeping pill | |
| RO85731B1 (ro) | Procedeu de obtinere a acidului benzilic | |
| SU827396A1 (ru) | Способ получени криолита | |
| RO88041B1 (ro) | Procedeu de obtinere a tripolifosfatului acid de aluminiu | |
| RO94390B1 (ro) | Procedeu de obtinere a oxalatului de cupru de calitate reactiv | |
| GB1513515A (en) | Treatment of fluoride-containing mud produced from acid polishing of lead glass |