Extracting aromatic hydrocarbons from mixtures containing same

Details Extracting aromatic hydrocarbons from mixtures containing same Extracting aromatic hydrocarbons from mixtures containing same

B - Operations, Transporting

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B01D 3/40 (2006.01) B01D 11/00 (2006.01) C07C 7/00 (2006.01) C10G 21/00 (2006.01) C10G 21/28 (2006.01)

Patent

CA 1122152

CASE 1092 EXTRACTING AROMATIC HYDROCARBONS FROM MIXTURES CONTAINING SAME ABSTRACT OF THE DISCLOSURE - In a method for the removal of aromatic hydro- carbons from mixtures containing them, by exploiting liquid-liquid extraction and extractive distillation stages, the improvement consisting in that an isoenthal- pic expansion of the rectification column bottom solvent stream is effected: heat useup is reduced and a higher quantity of water admixed to the selective solvent can be used.

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