EcoSphere Technologies Inc. (fka ESPHQ)

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ESPH vs EVTN

After researching the patents on both of these companies' machines, I'm a bit confused to say the least. They both look like great solutions to aid in the oil spill disaster. It appears to me that EVTN's machine is operated strictly with centrifugal action and is used mainly for surface oil clean up. ESPH's machine adds ozone and acoustic cavitation and other engineering jumble that I don't quite understand. It appears that this technology was originally developed for cleaning "drilling mud" at oil and natural gas well sites but would work as well in the ocean. Also, my understanding was that ESPH's machine can raise oil to the surface to be more easily collected. Anyone with any input on this to clarify things for me would be greatly appreciated. I actually like both companies and believe that eventually they will both be implemented in the clean up. Thanks for reading.