The first processing step in the refinery, after desalting the crude, is separation of crude into a number of fractions by distillation. The distillation is carried out at ... To allow for pressure ...

The refinery heats crude oil until most of it evaporates and floats up a distillation column. What's left behind is a thick sludge of the heaviest hydrocarbons. Since various hydrocarbons evaporate ...

In January, one of the facility's crude distillation units ... In the last wave of U.S. refinery closures, which occurred between 2017 and 2022, nine crude oil refineries with a combined capacity ...