A method for separating particles from a flowing fluid suspension comprises the steps of providing an elongated chamber having closed first and second ends, flowing into the elongated chamber a fluid medium in which particles to be separated are suspended, and propagating an acoustic wave through the...http://www.google.es/patents/US5085783?utm_source=gb-gplus-sharePatente US5085783 - Acoustically driven particle separation method and apparatus
Acoustically driven particle separation method and apparatus
