The object of this invention is to provide a process or method of {TAIL ~ azeotropic distillation} that will enhance the relative volatility of 3 methyl 2 butanol from 1 butanol in their separation in {HEAD ~ a rectification column} 
The object of this invention is to provide a process or method of { TAIL ~ azeotropic distillation } that will enhance the relative volatility of 3 methyl 2 butanol from 1 butanol in their separation in { HEAD ~ a rectification column }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD