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PROCESS FOR PURGING ALUMINUM AND ALUMINUM ALLOY MELTS OF SMALL QUANTITIES OF ALKALI AND ALKALINE EARTH METALS
PROCESS FOR PURGING ALUMINUM AND ALUMINUM ALLOY MELTS OF SMALL QUANTITIES OF ALKALI AND ALKALINE EARTH METALS
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机译:加工少量碱金属和碱土金属的铝和铝合金熔体的工艺
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摘要
Small quantities of alkali metal and alkaline earth metal impurities are removed from an aluminum melt by introducing a source of sulfur such as elemental sulfur, which combines with the impurity to form an impurity-containing slag, purging the melt with gas to remove excess sulfur, and separating the purified melt from the slag.
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