AIR PLASMA INDUCED LOW METAL LOSS
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United States of America Patent
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app pub date -
Oct 11, 2007
filing date -
Oct 21, 2004
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Abandoned
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Abstract
Even a very small amount of air plasma can reduce the dross during melting. A method and device is shown, whereby substantial saving in the cost of melting aluminum and the energy to melt aluminum is possible by the technique of introducing a small amount of air plasma in the melting environment. In this manner even though the air contains oxygen, and the common practice is presently directed at air being eliminated from the melting environment, an air plasma is able to very effectively be utilized.
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