An evaporative solvent recovery section operates on a plurality of liquid product streams including a liquid stream of deasphalted oil and solvent, and a liquid stream of asphaltene and solvent produced by a solvent deasphalting unit. Heat is added to one of the streams for producing a heated liquid...http://www.google.fr/patents/US5944984?utm_source=gb-gplus-shareBrevet US5944984 - Solvent deasphalting unit and method for using the same
Solvent deasphalting unit and method for using the same
