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  2. Crude oil washing - Wikipedia

    en.wikipedia.org/wiki/Crude_oil_washing

    Crude oil washing (COW) is washing out the residue from the oil tanker using the crude oil cargo itself, after the cargo tanks have been emptied. Crude oil is pumped back and preheated in the slop tanks, then sprayed back via high pressure nozzles in the cargo tanks onto the walls of the tank. Due to the sticky nature of the crude oil, the oil ...

  3. Automated tank cleaning machine - Wikipedia

    en.wikipedia.org/wiki/Automated_tank_cleaning...

    Image depicts Gamajet automated tank cleaning machines Alfa Laval Gamajet machine lowered into a manhole for cleaning. An automated tank cleaning machine is a machine used to clean cargo, process, underground storage tanks and similar equipment such as those found in tank trucks, railroad cars, barges, oil tankers, food and beverage manufacturing facilities, chemical processing plants, ethanol ...

  4. Oil tanker - Wikipedia

    en.wikipedia.org/wiki/Oil_tanker

    On most crude-oil tankers, a special crude oil washing (COW) system is part of the cleaning process. [105] The COW system circulates part of the cargo through the fixed tank-cleaning system to remove wax and asphaltic deposits. [105] Tanks that carry less viscous cargoes are washed with water.

  5. External floating roof tank - Wikipedia

    en.wikipedia.org/wiki/External_floating_roof_tank

    An external floating roof tank is a storage tank commonly used to store large quantities of petroleum products such as crude oil or condensate. It consists of an open- topped cylindrical steel shell equipped with a roof that floats on the surface of the stored liquid. The roof rises and falls with the liquid level in the tank. [1]

  6. Storage tank - Wikipedia

    en.wikipedia.org/wiki/Storage_tank

    COT – crude oil tanks. PIT – product and intermediate storage tanks. DISPATCH – dispatch area tanks. UTILITIES – tanks in a power plant area, for storage of water, etc. ISBL – inside-battery-limit tankages. These are usually small tanks found in the production units of a refinery, such as neutralization tanks, water tanks, etc.

  7. What are leaking underground storage tanks and how are ... - AOL

    www.aol.com/news/leaking-underground-storage...

    The Canob Park disaster sparked a national outcry in the 1980s to clean up and regulate the thousands of underground tanks storing petroleum, heating oil and other hazardous chemicals across the ...

  8. Oil record book - Wikipedia

    en.wikipedia.org/wiki/Oil_record_book

    Entries shall be made in the oil record book on each occasion, on a tank to tank basis if appropriate, whenever any of the following machinery space operations take place on any ship to which this section applies— [3] Ballasting or cleaning of fuel oil tanks; Discharge of ballast containing an oily mixture or cleaning water from fuel oil tanks;

  9. Oil purification - Wikipedia

    en.wikipedia.org/wiki/Oil_Purification

    Oil filtration systems generally use a multistage filtration with coarse and fine filters. [2] Centrifugation is separation of oil and water, or oil and solid particles by centrifugal forces. Vacuum treatment degasses and dehydrates industrial oil. This method is well suited for removing dispersed and dissolved water, as well as dissolved gases ...

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