Page 24 - Separation process engineering

F
packing factor, Tables 10-3 and 10-4

F

degrees of freedom, Eq. (2-4)
F
charge to still pot (Chapter 9), moles or kg

F

mass of feed in batch extraction, kg
F

feed flow rate, kmol/h or lbmol/h or kg/h etc.
F D

diluent flow rate (Chapter 13), kg/h
F , FP
lv

, flow parameter

F m

material factor for cost, Table 11-2
F p

pressure factor for cost, Eqs. (11-5) and (11-6)

F q

quantity factor for cost, Eq. (11-7)
F ,F solv
s
flow rate solvent (Chapter 13), kg/h

F solid
solids flow rate in leaching, kg insoluble solid/h

F weir

weir modification factor, Eq. (10-26) and Figure 10-22
gap

gap from downcomer apron to tray, Eq. (10-28), ft
g

2
acceleration due to gravity, 32.2 ft/s , 9.81 m/s 2
g
c
2
conversion factor in English units, 32.2 ft·lbm/(lbf·s )
G

flow rate carrier gas, kmol/h or kg/h
G′

gas flux, lb/s ft 2