The performance of a separation process for the purification of contaminated amine solutions is described. The process uses multistage distillation and an inert carrier liquid (hexadecane). A distillation column (50-mm i, filled to a height of 250 mm with stainless steel DE-Pak 1/4-in. packing) was employed to confirm the predictions made with the ASPEN process simulator and using the physical property data presented in part 1. Very good separation efficiencies were obtained under vacuum conditions for impurities typically found in contaminated diethanolamine solutions. The results are compared with conventional single-stage flash distillation.