|Distillation Fuels Processing|
Distillation Fuels Processing
Some used oil processors employ distillation to remove the
contaminants that are commonly found in used oil. They can do this to make the used oil
suitable as a feedstock for a refinery, or to enable the used oil to be
directly burned as a fuel.
Distillation is a common processing technology. The main idea is that different compounds have different boiling points, and if you boil a liquid you can get different components to separate based on these boiling points. As this is applied to fuel processing, the lube oil is typically boiled away from the heavier compounds, leaving behind an asphalt residue that is marketed for paving applications. The distilled material can then be sold as vacuum gasoil (VGO) which is used as a refinery feedstock, or marketed as a fuel, including a ship boiler fuel called marine diesel oil (MDO).
Distillation Fuels Processing requires significantly less capital than a full re-refinery that would convert the used oil to lubricating base oil.
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