GB230045A - Process for separating compounds of potassium from compounds of aluminium - Google Patents
Process for separating compounds of potassium from compounds of aluminiumInfo
- Publication number
- GB230045A GB230045A GB4367/25A GB436725A GB230045A GB 230045 A GB230045 A GB 230045A GB 4367/25 A GB4367/25 A GB 4367/25A GB 436725 A GB436725 A GB 436725A GB 230045 A GB230045 A GB 230045A
- Authority
- GB
- United Kingdom
- Prior art keywords
- aluminium
- nitrates
- nitric acid
- potassium
- nitrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
- C01D9/00—Nitrates of sodium, potassium or alkali metals in general
- C01D9/04—Preparation with liquid nitric acid
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Agronomy & Crop Science (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Coloring Foods And Improving Nutritive Qualities (AREA)
Abstract
Aluminium and potash present together in minerals are converted into nitrates and the resulting mixed nitrates are separated by washing with nitric acid which removes all the potash but little aluminium. In an example, leucite is treated with a residual liquor containing nitric acid, potassium nitrate and aluminium nitrate obtained at a subsequent stage in the process. After the insoluble silicic acid has been filtered off and the solution slightly evaporated, pure potassium nitrate separates on cooling. The mother-liquor is further concentrated to obtain a mixture of potassium and aluminium nitrates on crystallizing. By washing with 60 per cent nitric acid, pure aluminium nitrate remains while the wash liquor containing aluminium and potassium nitrates is used for treating further quantities of leucite after the addition of nitric acid. When stronger nitric acid is employed for treating the crystalline mixture of nitrates, less aluminium is obtained in solution, so there is less aluminium in the circulating liquor.ALSO:Aluminium and potash present together in minerals are converted into nitrates and the resulting mixed nitrates are separated by washing with nitric acid which removes all the potash but little aluminium. In an example leucite is treated with a residual liquor containing nitric acid, potassium nitrate and aluminium nitrate obtained at a subsequent stage in the process. After the insoluble silicic acid has been filtered off and the solution slightly evaporated pure potassium nitrate separates on cooling. The mother-liquor is further concentrated to obtain a mixture of potassium and aluminium nitrates on crystallizing. By washing with 60 per cent nitric acid pure aluminium nitrate remains while the wash liquor containing aluminium and potassium nitrates is used for treating further quantities of leucite after the addition of nitric acid. When stronger nitric acid is employed for treating the crystalline mixture of nitrates less aluminium is obtained in solution, so there is less aluminium in the circulating liquor.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NO230045X | 1924-02-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB230045A true GB230045A (en) | 1925-07-23 |
Family
ID=19904905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4367/25A Expired GB230045A (en) | 1924-02-27 | 1925-02-17 | Process for separating compounds of potassium from compounds of aluminium |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB230045A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110206595A1 (en) * | 2010-01-20 | 2011-08-25 | Eestor, Inc. | Purification of barium ion source |
-
1925
- 1925-02-17 GB GB4367/25A patent/GB230045A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110206595A1 (en) * | 2010-01-20 | 2011-08-25 | Eestor, Inc. | Purification of barium ion source |
| US8845993B2 (en) * | 2010-01-20 | 2014-09-30 | Eestor, Inc. | Purification of barium ion source |
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