Process for the separation of aromatic hydrocarbons from...

Details Process for the separation of aromatic hydrocarbons from... Process for the separation of aromatic hydrocarbons from...

C - Chemistry, Metallurgy

10

G

196/260

C10G 21/16 (2006.01) C10G 21/00 (2006.01)

Patent

CA 1187024

- 26 - PROCESS FOR THE SEPARATION OF AROMATIC HYDROCARBONS FROM PETROLEUM FRACTIONS WITH HEAT RECOVERY ABSTRACT An improvement to a continuous solvent extraction-steam distillation process for the recovery of aromatic hydrocarbons in the range of C6 - C16 from a feed stream containing such aromatics and aliphatic hydrocarbons in the range of C5 - C16 which resides in utilizing two heat exchangers wherein the heat of condensation of the overhead stripper vapor and vapor sidedraw products is recovered and utilized to vaporize the stripping water, thereby producing stripping steam which in turn is compressed up to the pressure present at the bottom of the stripper and resulting in the reduction of the heat load of the process.

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