Vapour recovery unit (VRU) :
1. In productionoperations,equipment designed to recover lightends that are releasedfrom oil in a stock or other tank. 2. In petroleum refining, a process unit consisting of a scrubber and a compressor designed to recover petroleum from hydrocarbon Vapours and safely to handle toxic gases.
viscous : having a high resistance to flow.
volatile : readily vaporized.
volatility : the tendency of a liquidto assume the gaseous state. water cut : to locate the oil-water interface and use the locationto measure the volumes of oil and water in a shore tank or ship compartment.
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