Novel distillation processes for reducing the heat duty requirement of petroleum crude distillation as compared to the conventional distillation process are described. These processes are also applicable for distillation of other multi-component mixtures similar to petroleum crude.
FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT
 This invention was made with government support under Contract No. DE-FG36-06GO16104 awarded by the U.S. Department of Energy. The U.S. government may retain certain rights to the invention.