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2. Oil skimmer - Wikipedia

   en.wikipedia.org/wiki/Oil_skimmer

   An oil skimmer is a device that is designed to remove oil floating on a liquid surface. They are commonly used to recover oil from oil spills in water, or in Industrial situations where waters are contaminated with oil. Oil skimmers are designed to remove free floating oil and are not water treatment devices.

3. Cutting fluid - Wikipedia

   en.wikipedia.org/wiki/Cutting_fluid

   Skimmers are used to separate the tramp oil from the coolant. These are typically slowly rotating vertical discs that are partially submerged below the coolant level in the main reservoir. As the disc rotates the tramp oil clings to each side of the disc to be scraped off by two wipers, before the disc passes back through the coolant.

4. Dissolved air flotation - Wikipedia

   en.wikipedia.org/wiki/Dissolved_air_flotation

   Dissolved air flotation (DAF) is a water treatment process that clarifies wastewaters (or other waters) by the removal of suspended matter such as oil or solids. The removal is achieved by dissolving air in the water or wastewater under pressure and then releasing the air at atmospheric pressure in a flotation tank basin. The released air forms ...

5. API oil–water separator - Wikipedia

   en.wikipedia.org/wiki/API_oil–water_separator

   A typical gravimetric API separator. An API oil–water separator is a device designed to separate gross amounts of oil and suspended solids from industrial wastewater produced at oil refineries, petrochemical plants, chemical plants, natural gas processing plants and other industrial oily water sources.

6. Clarifier - Wikipedia

   en.wikipedia.org/wiki/Clarifier

   Circular clarifier with surface skimmer visible in the lower right. As the skimmer slowly rotates around the clarifier, skimmed floating material is pushed into the trap visible above the fenced enclosure at the lower left. Clarifiers are settling tanks built with mechanical means for continuous removal of solids being deposited by ...

7. Coolant - Wikipedia

   en.wikipedia.org/wiki/Coolant

   A coolant is a substance, typically liquid, that is used to reduce or regulate the temperature of a system. An ideal coolant has high thermal capacity, low viscosity, is low-cost, non-toxic, chemically inert and neither causes nor promotes corrosion of the cooling system. Some applications also require the coolant to be an electrical insulator.