TY JOUR TI ETHYL ALCOHOL RECTIFICATION IN COLUMNS WITH SPIRAL PRISMATIC NOZZLE KW Separation KW packed column KW the contact stage KW efficiency. JO Food Processing: Techniques and Technology AU Voinov, A.N. AU Zhukova, O.P. AU Pankov, V.A. AU Voinov, N.A. PY 2012 IS 27 PB Kemerovo State University