Drum skimmer - drum skimmers float on the surface, sealed flotation makes it unsinkable. The drums are motor driven (by air or hydraulics) and turn slowly attracting the oil to its surface and rotating around to the wiper blade which scrapes the floating oil off and it runs into more...
Disc Type Oil Skimmer- In a Disc Type Skimmer a stainless steel disc is rotated continuously with the help of geared drive. Wheel skimmers pass a coated disc or wheel through the contaminated liquid. The disc or wheel picks up the oil, which is then skimmed off outside the tank. more...