An analytical method using infrared absorption for assessing the properties of used oil and certain contaminants suspended therein. See FTIR.
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ALKALINE BOIL-OUT
Employed to remove oil and grease deposits from heating surfaces.
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BULK CARGO
Cargo such as oil, coal, ore, woodchips, etc. not shipped in bags or containers
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ABSORBER
That part of the low side of an absorption system, used for absorbing vapor refrigerant.
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COMPOUND
(1) chemically speaking, a distinct substance formed by the combination of two or more elements in definite proportions by weight and possessing physical and chemical properties different from those of the combining elements. (2) in petroleum processing, generally connotes fatty oils and similar materials foreign to petroleum added to lubricants to impart special properties.
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OILING SPLASH SYSTEM
Method of lubricating moving parts by agitating or splashing oil in the crankcase.
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EMULSIFIER
Additive that promotes the formation of a stable mixture, or emulsion, of oil and water. Common emulsifiers are: metallic soaps, certain animal and vegetable oils, and various polar compounds.
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ABSORPTION
The assimilation of one material into another; in petroleum refining, the use of an absorptive liquid to selectively remove components from a process stream.
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CLOUD POINT
The temperature at which waxy crystals in an oil or fuel form a cloudy appearance.
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CORROSION INHIBITOR
Additive for protecting lubricated metal surfaces against chemical attack by water or other contaminants. There are several types of corrosion inhibitors. Polar compounds wet the metal surface preferentially, protecting it with a film of oil. Other compounds may absorb water by incorporating it in a water-in-oil emulsion so that only the oil touches the metal surface. Another type of corrosion inhibitor combines chemically with the metal to present a non- reactive surface.
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CARBON RESIDUE
Coked material remaining after an oil has been exposed to high temperatures under controlled conditions.
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