Patent Number: 6,166,270

Title: Extractive distillation separation

Abstract: High purity tertiary butyl alcohol is obtained from mixtures comprised of tertiary butyl alcohol and tertiary butyl acetate by extractive distillation using a hydrocarbon extractive solvent such as decane.

Inventors: Gupta; Vijai P. (Berwyn, PA), Szady; Michael J. (Boothwyn, PA)

Assignee: Arco Chemical Technology, L.P.

International Classification: B01D 3/34 (20060101); B01D 3/40 (20060101); C07C 29/00 (20060101); C07C 29/84 (20060101); C07C 67/54 (20060101); C07C 67/00 (20060101); C07C 027/02 ()

Expiration Date: 12/26/2017