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How Does Kevin Costner's Oil Cleaning Machine Work, Exactly?

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"BEYOND THE HORIZON LIES THE SECRET TO A NEW BEGINNING"
"Actor Kevin Costner told Congress that his company has developed an high-tech machine for separating oil and water that could slurp up as much as 200 gallons of oil every minute from the massive spill in the Gulf. BP has already tested the technology and put ten machines to use in the Gulf. 'It's basically a centrifuge," Greg Lowry [of Carnegie Mellon] says, a machine that spins rapidly to a separate fluids using centrifugal (well, technically centripetal) force. Think about a washing machine in spin cycle. If you open it up, you'll see the wet clothes flung against the side of the washer. That's the same force Costner's machine employs. It spins the oily water, flinging the denser liquid, water, away from the lighter liquid, oil (which you know is is lighter since you've seen the picture of it floating on top of the Gulf). It's the same technology beer companies use to spin the solid yeast particles of out their brew."
SOURCE:   the Atlantic

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