VERFAHREN ZUR ENTFERNUNG VON GRÜNÖL AUS KOHLENWASSERSTOFFENBESCHICKUNGEN

摘要

Disclosed is a process for removing hydrogenation by-products which comprises the use of an extractive distillation tower operated in combination with a solvent stripper, hydrocarbon purge and a water wash column. By the arrangement of the various feeds to and between the above mentioned, the green oil may be extracted away from desirable hydrocarbons.