{TAIL ~ Separation} of 3 methyl 2 butanol from {HEAD ~ 1 butanol} by azeotropic distillation 
{ TAIL ~ Separation } of 3 methyl 2 butanol from { HEAD ~ 1 butanol } by azeotropic distillation
TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH