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4035180 |
Catalytic process for the reduction of aluminum chloride by manganese
The present invention provides a process for the catalytic reduction of aluminum chloride by manganese to form a high aluminum content alloy, separating the catalysis metal from the alloy, and...
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4032328 |
Metal reduction process
An improved metal reduction process permits the efficient production of metal from reducible metal compounds by means of reducing metal. Broadly, the invention relates to conducting the reaction...
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3957503 |
Extraction of zinc and lead from their sulfides
Sulfidic ores of lead or zinc such as galena or sphalerite are smelted under vacuum in the absence of CO 2 and oxygen with a flux consisting of solid NaOH or KOH to free the lead or zinc as free...
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3940264 |
Method of distributing molten metal to consumer stations
A method of distributing molten metal to consumer points is described, in which molten metal is caused to run under gravitational forces from a container to different consumer points through a...
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3932230 |
Method of extracting gallium
A method of removing gallium from tin, lead or tin-lead alloy in which the molten metal containing gallium is treated with a molten flux of alkali metal hydroxide, alkali metal carbonate or a...
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3900312 |
Reduction of aluminum chloride by manganese
A method of producing aluminum in essentially elemental form wherein aluminum chloride in liquid phase is reacted with manganese in solid phase. The reaction is carried out in a vessel at a...
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3890141 |
Conversion of scrap rubber to fuel and useful by-products
Solid waste vulcanized rubber, such as scrap tires, is heat-treated to produce a fluid material which, in turn, is burned to produce heat energy and ash. Zinc and titanium are recovered from the ash.
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3596893 |
MERCURY PURIFYING PLANT
A mercury purifying plant ensuring chemical or electrolytic purification of mercury followed by vacuum distillation, comprising a number of consecutively connected purifiers, an accumulating...
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3301660 |
Metal purification process
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3273996 |
Method for manufacturing aluminum
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3256060 |
Treatment of nickel-bearing ores
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3235604 |
Process of making vinylthioethers
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3094437 |
Stripping cathodes of electrodeposits
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3075901 |
Purification of gallium by halogenation and electrolysis
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3021209 |
Recovery of metals
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3007792 |
Preparation of spongy or ultra-finely divided substances
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2963362 |
Process for reducing higher halides
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2944885 |
Method of purifying arsenic and antimony
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2901342 |
Purification of indium
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2882144 |
Method of producing titanium
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2857265 |
Method for the production of titanium
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2807532 |
Method of preparing nickel catalyst
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1005022 |
Title is not available
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