CRUDE OIL FRACTIONATION WITHOUT A VACUUM DISTILLATION UNIT
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United States of America Patent
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Jan 21, 2021
app pub date -
Jul 16, 2020
filing date -
Jul 17, 2019
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Abstract
A method of crude oil fractionation without using a vacuum distillation unit can include: introducing a crude oil feed having been preheated to an atmospheric distillation tower; introducing steam according to one of: (a) into the atmospheric heater at a weight ratio of 0.1:1 to 5:1 of the steam to the crude oil feed, (b) into the atmospheric distillation tower at a weight ratio of 0.1:1 to 5:1 of the steam to the crude oil feed, or (c) both (a) and (b); and distilling the crude oil feed in the atmospheric distillation tower into a plurality of cuts including an atmospheric bottoms cut having a boiling point of 800+° F. to 950+° F.
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