GB107640A - Improvements in and relating to the Treatment of Silicates. - Google Patents
Improvements in and relating to the Treatment of Silicates.Info
- Publication number
- GB107640A GB107640A GB941816A GB941816A GB107640A GB 107640 A GB107640 A GB 107640A GB 941816 A GB941816 A GB 941816A GB 941816 A GB941816 A GB 941816A GB 107640 A GB107640 A GB 107640A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkali
- molecules
- silicates
- molecule
- oxide
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B26/00—Obtaining alkali, alkaline earth metals or magnesium
- C22B26/10—Obtaining alkali metals
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Fertilizers (AREA)
Abstract
107,640. Cowles, A. H. July 4, 1916. Alkalies, obtaining from silicates.-A furnace charge comprising silicates such as feldspar, lencite, zeolites, clay, &c. or artificial alkali-aluminium silicates with an alkaline earth compound such as lime, calcium carbonate, or calcium chloride and, if necessary an alkali such as sodium carbonate is made up in such a manner that, after sintering, there shall be present two' molecules of alkaline earth oxide to each molecule of silica and less than two but preferably more than one molecules of alkali oxide to each molecule of alumina. The sintered product may be used as a fertilizer or may be leached with water or, if the proportion of alkali is low, with a solution of caustic alkali or alkali aluminate high in alkali. The solution thus obtained is sodium aluminate suitable for treatment by the Bayer process. An artificial silicate for use in the furnace charge may be prepared by heating a mixture of clay, calcium chloride, and carbon at 1500-2000‹ F., steam being blown over or through the mixture, a large surface of which is exposed. The product may contain one or more molecules of calcium oxide and two or more molecules of silica to one molecule of alumina. Another artificial silicate, the preparation of which is not described, has the composition 1.4 Na2O, 2SiO2, Al2O3. Specifications 10093/87, 5296/92, and 20220/02, are referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB941816A GB107640A (en) | 1916-07-04 | 1916-07-04 | Improvements in and relating to the Treatment of Silicates. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB941816A GB107640A (en) | 1916-07-04 | 1916-07-04 | Improvements in and relating to the Treatment of Silicates. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB107640A true GB107640A (en) | 1917-07-04 |
Family
ID=32247219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB941816A Expired GB107640A (en) | 1916-07-04 | 1916-07-04 | Improvements in and relating to the Treatment of Silicates. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB107640A (en) |
-
1916
- 1916-07-04 GB GB941816A patent/GB107640A/en not_active Expired
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