mass transfer in multiphase systems - Greenleaf University

NOMENCLATURE a
a,b, etc.
Parameter in Sherwood number, other constants
a Bubble specific surface area, L 2 /L 3
a s Solid specific surface area, L 2 /M
A
Area, L 2 , Component A
c Concentration, m/L 3 or M/L 3
C A Concentration of chemical A, m/L 3 or M/L 3
i1
C A
i2
C A
s*
C A
v*
C A
d p
D
d B , D B
Interface concentration of A on the solid side, m/L 3 or M/L 3
Interface concentration of A on the liquid side, m/L 3 or M/L 3
Nonexistent concentration of A on within the solid phase, m/L 3 or M/L 3
Nonexistent concentration of A on within the gas phase, m/L 3 or M/L 3
Particle mean diameter, L
Diameter or characteristic length, L
Bubble diameter, L
D Aw , D L Diffusivity of component A in water, L 2 /t
D AB Diffusivity of component A in component B, L 2 /t
f oc
Fr
Fraction organic carbon in sludge
Froude number
g Gravity, L/t 2
H A Henry’s Law constant b for component A, L 3 -F/L 2 /m
a Any consistent set of units except for dimensional equations is acceptable. The superscripts on concentrations
indicate phase or other information and are not powers. Units follow the standard FLMTt system with the exception
of m for moles.
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