Tray spacing in a distillation column of dia 10-12 ft. used in petroleum refinery may be around _____________ inches? August 22, 2021February 17, 2019 by admin Tray spacing in a distillation column of dia 10-12 ft. used in petroleum refinery may be around _____________ inches? A. 5B. 30 C. 60 D. 100
