Design Of Column Reinforcement . DISTILLATION/ABSORPTION COLUMN DESIGN DISTILLATION/ABSORPTION COLUMN DESIGN ChE 4253 - Design I MULTICOMPONENT SYSTEMS : Use Pro II Case 2: You know number of trays and feed tray location Column Tray and Packing Design - University of Oklahoma DISTILLATION/ABSORPTION COLUMN TRAY DESIGN ChE 4253 - Design I Tray Spacing: Large if froth is expected, also allow space for crawling (12" to 24").