Physical separation of gold – dielectrophoretic separation of metal particles from mixtures of particles
The present invention relates to a plant and a procedure for separating gold or other metal particles from a mixture of particles by applying dielectrophoresis. The physical separation method specifically separates metals, e.g. gold, from a suspension. This is accomplished by a special configuration of electrodes allowing for the creation of an electric field which is selective to metallic particles. The new method replaces environmentally hazardous cyanide leaching almost completely and thus considerably reduces the amounts of the chemicals that need to be applied.
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