ã€ALUMINIUM NETWORK CO.,LTD.】Aluminum is refined from raw materials such as raw material and electrode ash by electrolysis of crude aluminum extracted from the crude Erlu method. The purity of aluminum is only about 99.8%. . Therefore, if higher purity is required, copper is added to aluminum to make a low melting point, high density alloy anode with 33% Cu, which has a higher density electrolyte than pure aluminum, and an upper cathode. Between the electrolysis, precipitation of fine aluminum. This is a three-layer molten salt electrolysis refining method. This method can also be used when aluminum is recycled from aluminum scrap.
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