20081228

Ultrasonic Grease Cleaning

I tried to run a simple side by side test of treating waste vegetable oil with a 20kHz tone. One bottle had a pair of headphones submerged the other did not. I was using a pair of motorcycle batteries to supply power for two small 35W magnet heaters to help reduce the viscosity of the veggie oil. Unfortunately the batteries ran out of power before reaching critical temperature 132F. I will have to repeat this test again to get a better idea if the 20kHz has any effect on grease separation.

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