Used 29 TPD Nitric Acid Concentration Plant built in 1956. Increases 54% acid to approximately 63%. Distillation column 38’ 3-1/2” X 2’ 6” ID, consisting of 12 bubble-cap trays with a 2’ tray spacing; each tray has 29“bubble-caps” with each cap having 36 slots. All equipment stainless steel. Two nitric acid storage tanks available.