hi

depends by mode :design or rating/tray or structured packed
type of column A,U,R concerning Watkins
stripers column/ reboilers or steam str
quality specifiic,ASTM,TBB,MON RON for gasolineline/freeziing points for kero&diesel,densitity.....=REFINERY PROPERTIES
heat integration/pinch,exergy analysys
program simulation RECOMANDED:
proII/-shortcut &rigorous colum [with Sure Algoritm]
hysys rigorous vers 2.1 aspen V7
hysys/refsys PED +Aspen Plus models 2006, v7
petrosim-Distop+hysys rigorous
winsim design ii recc in PERRY
umist