Method and apparatus for ultrasonically removing...

Details Method and apparatus for ultrasonically removing... Method and apparatus for ultrasonically removing...

B - Operations, Transporting

01

D

182/147

B01D 43/00 (2006.01) B01D 17/02 (2006.01) C02F 1/36 (2006.01) E02B 15/04 (2006.01)

Patent

CA 1065768

METHOD AND APPARATUS FOR ULTRASONICALLY REMOVING CONTAMINANTS FROM WATER Abstract of the Disclosure Apparatus employing an ultrasonic focusing transducer is provided for removing a contaminant such as oil which is floating on the surface of a body of water. The transducer is supported beneath the water surface with its focal region aimed at the underside of the contaminant oil. A source of alternating current is connected to the transducer to generate ultrasonic waves which travel through the water and converge at the focal region. The apparatus includes a collecting arrangement which catches most of the oil bounced up- wardly as the result of the focused ultrasonic waves before that upwardly discharged oil can fall back onto the water surface. The method of using such an apparatus.

260931

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