Chemical Engineering - Petroleum Refinery Engineering - Discussion

The Edeleanu process is a type of extraction process in the petroleum refining industry, whereby liquid sulfur dioxide is used to extract aromatics from kerosene pool, liquid SO₂ selectively dissolves the aromatics leaving behind the low aromatic content kerosene as the finished product.

It is named after the Romanian chemist of Jewish origin Lazar Edeleanu. The aromatic extract is then separated from SO₂ through rectification and SO2 recirculation. Temperature is maintained at -20°C.