VPS tar separation
A process is described for producing deasphalted steam cracker tar comprising feeding steam cracker tar to a vacuum pipestill (VPS) including a flash zone separated from a zone comprising trays by at least one annular entrainment ring and obtaining as an overheads a deasphalted tar product and as a bottoms an asphaltenic heavy tar product. Also according to the invention, there is a system for the upgrading of tar comprising said VPS with at least one annular entrainment ring.
ExxonMobil Chemical Patents Inc.
C
C10G
inventional
James E Alok James N. Paul F.
Graham Srivastava McCoy Keusenkothen