Patent ID: 6632329
Filing Date: 2003-10-14
Classification: B01D,Y10S

Abstract:
A distillation apparatus comprising:a distillation tower having a cross-sectional area S2; a re-boiler; a recirculating pipe having a cross-sectional area S5 for flowing a portion of a liquid from said distillation tower to said re-boiler; a discharge pipe having a cross-sectional area S4 for discharging a remaining portion of the liquid from the distillation apparatus; a first pot having a cross-sectional area S1(A) positioned between a bottom of said distillation tower and said discharge pipe; and a second pot having a cross-sectional area S1(B) positioned between the bottom of said distillation tower and said recirculating pipe, wherein the following conditions are met (i) 0.02&lE;[S1(A)+S1(B)]/S2&lE;0.50 (ii) 11(A)/S4&lE;20 (iii) 11(B)/S5&lE;20.