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Drini, B. (author), Kool, W.H. (author), Jansens, P.H. (author), Katgerman, L. (author)The invention relates to a method of recovering a metal from a mixture comprising more than one metal. According to the invention, the methods comprises the steps of (a) melting the mixture to produce a melt; (b) passing the melt over a cooled surface, causing the metal to be recovered to crystallise out on the cooled surface and a desired metal...patent 2004