METHOD FOR REMOVAL OF ORGANIC ACIDS FROM RAW OIL AND DISTILLATED RAW OIL

摘要

The present invention relates to a method for removing organic acids, in particular naphthenic acids, from crude oil and crude oil distillates by using supported main ionic liquids in a ratio by weight of crude oil and / or distillate of crude oil to ionic liquid from more than 40: 1 , the main ionic liquid includes a basic anion selected from serinate, proline, histidinate, threoninate, valinate, asparaginate, taurinate and lysinate.