C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
202/84, 260/716.
C07C 15/42 (2006.01) C07C 7/04 (2006.01) C07C 37/68 (2006.01) C07C 37/74 (2006.01) C07C 39/06 (2006.01)
Patent
CA 1059150
ABSTRACT OF THE DISCLOSURE A process for recovering and separating substantially pure ethylphenol and substantially pure diethylbenzene from a mixture resulting from the decomposition of diethylbenzene monohydroperoxide and consisting essentially of diethylbenzene, ethylphenol and xyg?nated by-products thereof, said process comprising d? ing said mixture in a first distillation step to separated a distillate comprising essentially diethylbenzene from a first residue comprising ethylphenol and the oxygenated by-products of said mixture, withdrawing said residue and dis- tilling said first residue in a second distillation step to separate a distillate consisting essentially of ethyphenol from a second residue containing from 30 to 40 mole % of ethylphenol in admixture with said oxygenated by-products, withdrawing said second residue and mixing it with the distillate from the first distillation step, treating the resulting mixture with an aqueous alkaline solution to form an aqueous extract and a raffinate, recovering ethylphenol from said extract and distilling said raffinate in a third distillation step to obtain a distillate consisting essentially ofdiethylbenzene.
252374
Labofina S.a.
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