Step 2. Calculate the height of packing Z:
Step 3. What is the diameter of the packed column? The actual gas mass velocity must be determined.To calculate the diameter of the column, we need the flooding gas mass velocity. USEPA’s generalized flooding and pressure drop correction graph (USEPA-84/09, p. 107) is used to determine the flooding gas mass velocity. The mass velocity is obtained by dividing the mass flow rate by the cross-sectional area.
Calculate the flooding gas mass velocity Gf.
Calculate the abscissa of USEPA’s generalized flooding and pressure drop correction graph,(L/G)(p/pL)0.5: