Separation of gold particles generated by engraving from water comprises feeding it over beam-shaped barrier so that particles of greater specific weight settle out in front of barrier and are periodically separated off

摘要

Separation of physically detectable particles (3) from a current of carrier liquid comprises feeding it over a beam-shaped barrier (6) so that the particles (3) of greater specific weight settle out in front of the barrier. They are then periodically separated off, separation being controlled by a signal generated by a detector for the particles. An Independent claim is included for an apparatus for carrying out the above process containing detectors which generate signals fed via a control to a servo system which controls an outlet.