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Petroleum refinery in Anacortes, Washington, United States. Petroleum refining processes are the chemical engineering processes and other facilities used in petroleum refineries (also referred to as oil refineries) to transform crude oil into useful products such as liquefied petroleum gas (LPG), gasoline or petrol, kerosene, jet fuel, diesel oil and fuel oils.
The vapor phase enters in the bottom of the column and exits out of the top. Inside of the column are trays or plates. These trays force the liquid to flow back and forth horizontally while the vapor bubbles up through holes in the trays. The purpose of these trays is to increase the amount of contact area between the liquid and vapor phases.
The feedstock to the FCC conversion process usually is heavy gas oil (HGO), which is that portion of the petroleum (crude oil) that has an initial boiling-point temperature of 340 °C (644 °F) or higher, at atmospheric pressure, and that has an average molecular weight that ranges from about 200 to 600 or higher; heavy gas oil also is known as ...
Due to the great surge in American production of oil, natural gas, and natural gas liquids since 2008, those products have been cheaper in the North American market than worldwide, giving American refiners a major cost advantage. [19] The discount on US crude is partially attributed to the long-standing federal ban on exports of American crude oil.
This distillation is a same of E.F.V Some examples of ASTM International standards utilizing distillation are: D86 Test Method for Distillation of Petroleum Products at Atmospheric Pressure; ASTM D20-03(2014) Standard Test Method for Distillation of Road Tars; D1160 Test Method for Distillation of Petroleum Products at Reduced Pressure
Prices on some of the Swiss company’s gold watches jumped as much as 14% for 2025, according to several enthusiast websites that tracks listings. That’s a stark comparison to their steel ...
The pressure at the top is maintained at 1.2–1.5 atm [2] so that the distillation can be carried out at close to atmospheric pressure, and therefore it is known as the atmospheric distillation column. [3] The vapors from the top of the column are a mixture of hydrocarbon gases and naphtha, at a temperature of 120 °C–130 °C.
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