Symbol
Explanation
Dimension
Unit,
See
for example
page
qx,A
sludge age (Sx) for
198
nitrifying bacteria (A)
qx,aerobic
aerobic sludge age
T
d
126
k
temperature constant
oc-1
72
for llmax and rs
k
rAikoA (biofilm)
dimensionless ratio be155
tween hydraulic and
biofilm diffusion
rna
absolute viscosity
M · L- 1 .1 1 kg/(m · s)
326
mmax
maximum specific
r1
h-1, d- 1
63
growth rate
ffimax'
maximum specific
r1
d-1
74
growth rate by inhibition
mmax,H
maximum specific
r1
d-1
115
growth rate for heterotrophic organisms
mmax,M
maximum specific
r1
d-1
105
growth rate for
methane producing
bacteria
mmax,PAO
maximum specific
r1
d-1
98
growth rate for phosphorus accumulating
bacteria
mmax,S
maximum specific
r1
d-1
105
growth rate for acid
producing bacteria
ffiobs
observed specific
r1
h-t, d- 1
71
growth rate
371