Method for the separation of aromates from hydrocarbon...

Details Method for the separation of aromates from hydrocarbon... Method for the separation of aromates from hydrocarbon...

C - Chemistry, Metallurgy

07

C

202/77

C07C 7/08 (2006.01) C10G 7/08 (2006.01) C10G 21/20 (2006.01) C10G 21/28 (2006.01)

Patent

CA 1223839

ABSTRACT OF THE SPECIFICATION A method is discolored for the separation of aromates from hydrocarbon mixtures employed as entry products, by means of extractive distillaion, employing as selective solvent N-substituted morpholine, the substitutions of which display no more than 7 C atoms. The raffinate produced as top product of the extractive distillation is subjected to a distillation, whereby the produced sump product with a solvent content between 20-75% by weight and a temperature between 20-70°C, is led into a separation container and there separated into a heavy and a light phase. The heavy phase is then recycled into the extractive distillation column, whereas the light phase is recycled into the raffinate distillation column -l-

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