This project will develop a low-frequency, transmembrane, sonic back-pulsing device to reduce or eliminate the rate of fouling and concentration polarisation of membranes. The objective is to design and fabricate acoustically optimised membrane modules with a mechanically driven elastic resonator. The formation of fouling deposits on the feed side of the membranes will be prevented by using acoustic energy. A prototype commercial device for use in an industrial setting will be developed following laboratory and on-site tests at various industrial end-user sites.
The proposed technology has a broad application in membrane technology. Membrane modules in general service should benefit from the incorporation of the sonic back-pulsing technology. Also, the demonstration of the technology's ability to remove successfully substances from difficult matrixes should accelerate the adoption of the technology in food, biotechnology, chemical and agro-processing applications.
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