GB325017A - Improvements in or relating to the preparation of alumina and potassium sulphate - Google Patents
Improvements in or relating to the preparation of alumina and potassium sulphateInfo
- Publication number
- GB325017A GB325017A GB3319728A GB3319728A GB325017A GB 325017 A GB325017 A GB 325017A GB 3319728 A GB3319728 A GB 3319728A GB 3319728 A GB3319728 A GB 3319728A GB 325017 A GB325017 A GB 325017A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alumina
- potassium sulphate
- sulphur
- relating
- preparation
- 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
- C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
- C01F7/00—Compounds of aluminium
- C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
- C01F7/30—Preparation of aluminium oxide or hydroxide by thermal decomposition or by hydrolysis or oxidation of aluminium compounds
- C01F7/32—Thermal decomposition of sulfates including complex sulfates, e.g. alums
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
325,017. Tilley, G. S., Dam, M. E., and Dam, E. S. Nov. 13, 1928. Potassium sulphate; sulphur dioxide; sulphur trioxide.-Crystallized potash alum is partially dehydrated without melting the crystals by heat. ing to 80-85‹ C. until more than one half of the water of crystallization is removed. The product is heated to a temperature sufficiently high to drive off the sulphur trioxide in combination with the alumina, that is 800‹-1000‹ C. The potassium sulphate and alumina may be separated by leaching. The sulphur trioxide may be absorbed in strong sulphuric acid and any residual gases containing sulphur dioxide absorbed in milk of lime to produce sulphites.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3319728A GB325017A (en) | 1928-11-13 | 1928-11-13 | Improvements in or relating to the preparation of alumina and potassium sulphate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3319728A GB325017A (en) | 1928-11-13 | 1928-11-13 | Improvements in or relating to the preparation of alumina and potassium sulphate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB325017A true GB325017A (en) | 1930-02-13 |
Family
ID=10349827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3319728A Expired GB325017A (en) | 1928-11-13 | 1928-11-13 | Improvements in or relating to the preparation of alumina and potassium sulphate |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB325017A (en) |
-
1928
- 1928-11-13 GB GB3319728A patent/GB325017A/en not_active Expired
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