FIELD: inorganic chemistry, manufacturing process for synthetic diamonds. SUBSTANCE: cell for separating and cleaning finely divided diamonds from soluble and adsorbed impurities in aqueous slurries by using electric field has rotating anode, rigidly fixed cathode, membranes for restriction of working space, inlet/outlet pipe connections for slurry and electrolyte and settler. EFFECT: unit make it possible to obtain high-purity diamond pastes in continuous operating conditions. 3 cl, 2 dwg
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