A method of {TAIL ~ distillation} employing {HEAD ~ a heat pump} using a vapor stream from within the distillation system as a heat source and a liquid stream from within the distillation system as a heat sink 
A method of { TAIL ~ distillation } employing { HEAD ~ a heat pump } using a vapor stream from within the distillation system as a heat source and a liquid stream from within the distillation system as a heat sink
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH