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Aug 08, 2021 The two gold refining methods most commonly employed to derive pure gold are: the Miller process and the Wohlwill process. The Miller process uses gaseous chlorine to extract impurities when gold is at melting point; impurities separate into a layer on the surface of the molten purified gold portable bluestone jaw crusher. The Miller process is rapid and simple, but it high quality jaw crusher how to buy at more discount.. dodge type crusher how to buy at the cheapest price.
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