| Patent Number |
Title Of Patent |
Date Issued |
| RE30330 |
Aluminum purification |
July 8, 1980 |
| A process for purifying aluminum alloys comprises providing molten aluminum alloy in a container having a porous wall therein capable of containing molten aluminum in the container and being permeable by the molten electrolyte. Aluminum is electrolytically transported through the porous |
| 4115215 |
Aluminum purification |
September 19, 1978 |
| A process for purifying aluminum alloys comprises providing molten aluminum alloy in a container having a porous wall therein capable of containing molten aluminum in the container and being permeable by the molten electrolyte. Aluminum is electrolytically transported through the porous |
| 4105752 |
Aluminum chloride production |
August 8, 1978 |
| A process for the production of aluminum chloride comprises providing a mixture of high purity activated carbon and alumina and bubbling chlorine gas therethrough, the mixture being kept at a temperature in the range of 500.degree. to 775.degree. C. Aluminum chloride is removed from the |
| 4083801 |
High purity activated carbon produced by calcining acid leached coal containing residual leachin |
April 11, 1978 |
| A process for the production of activated carbon from coal comprises contacting the coal with mineral acids to leach impurities therefrom and removing the leached coal from the mineral acids. Activated carbon is produced by calcining the leached coal at a temperature in the range of |
| 4053303 |
Method of carbothermically producing aluminum-silicon alloys |
October 11, 1977 |
| Aluminum-silicon alloys are formed by bringing a mix containing sources of alumina, silica and carbon to a temperature in the range of 1500.degree. and 1600.degree. C to form silicon carbide and carbon monoxide. The mix containing the silicon carbide is then brought to a temperature in t |
| 4046558 |
Method for the production of aluminum-silicon alloys |
September 6, 1977 |
| A method of producing an aluminum-silicon type alloy from alumina-silica bearing materials comprises providing the silica and alumina bearing materials in a mix having a weight ratio of silica to alumina in the range of 0.5 to 1.1. The method further comprises providing a source of c |
