Used MTBE Complex Depropanizer. Manufactred by G.A. MOSITES CO. OF HOUSTON INC. Vertical SA 516-70 Column 54" Dia x 75'10"L. Overall 69"Dia x 100'2"OAL. Mounted on 15' skirt. (24) Downcommer Trays with 2' Spacing. Rated 200 PSI @220F. Empty weight 44,500 lbs. 9041 Gallons. Serial #4169A. Built 1983. Alteration by HICO 1991. Alt #168.