Separation process employing two stripping gases

Details Separation process employing two stripping gases Separation process employing two stripping gases

1991-07-19

1992-08-25

Manoharan, Virginia

Mineral oils: processes and products

Fractionation

Distillation

203 49, 203 91, 203DIG9, 208362, B01D 300, C10G 700

Patent

active

051416301

ABSTRACT:
A process for separating or stripping lighter components from a heavier hydrocarbon feedstock contaminated with or otherwise including light components. The separation is accomplished by introducing the feedstock into a column and allowing the feedstock to flow through the column, contacting a first stripping medium and a second stripping medium. The first stripping medium entrains the lighter components. The second stripping medium entrains the first stripping medium and any lighter components remaining in the feedstock. Preferred first stripping media include hydrogen, methane, propane, and other inert gas and preferred second stripping media include nitrogen and other inert gas.

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