GB190605478A - Improvements in the Conversion of Alkali Sulphate and Bauxite, or other Aluminiferous Material, into Alumina and Alkali Compounds Containing Sulphur. - Google Patents
Improvements in the Conversion of Alkali Sulphate and Bauxite, or other Aluminiferous Material, into Alumina and Alkali Compounds Containing Sulphur.Info
- Publication number
- GB190605478A GB190605478A GB190605478DA GB190605478A GB 190605478 A GB190605478 A GB 190605478A GB 190605478D A GB190605478D A GB 190605478DA GB 190605478 A GB190605478 A GB 190605478A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alumina
- thiosulphate
- sulphate
- alkali
- sodium
- 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
Landscapes
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
Abstract
5478. Clemm, A. March 6. Alumina ; sodium sulphide and thiosulphate.- Bauxite or other aluminiferous material is calcined with sodium sulphate and carbon, the sulphate and carbon being used in quantities which are multiples of those theoretically necessary to form the aluminate. The calcined mass is lixiviated with water, and the solution obtained is heated either with sulphurous acid gas, when aluminium hydroxide is precipitated and a solution of sodium thiosulphate is formed which can be crystallized, or with hydrogen sulphide, which precipitates the alumina, leaving a solution of sodium sulphide or sulphydrate ; this solution may be used in the manufacture of dyes, or sodium sulphide may be extracted from it, or it may be converted into thiosulphate by passing in sulphurous acid. The residue remaining after lixiviation is, after addition of lime if desired, oxidized by, say, exposure or by blowing in air and then lixiviated, when it yields a further quantity of thiosulphate. Specifications No. 2866, A.D. 1870, and No. 4618, A.D. 1877, are referred to.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB190605478T | 1906-03-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB190605478A true GB190605478A (en) | 1907-03-06 |
Family
ID=32168642
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB190605478D Expired GB190605478A (en) | 1906-03-06 | 1906-03-06 | Improvements in the Conversion of Alkali Sulphate and Bauxite, or other Aluminiferous Material, into Alumina and Alkali Compounds Containing Sulphur. |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB190605478A (en) |
-
1906
- 1906-03-06 GB GB190605478D patent/GB190605478A/en not_active Expired
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