Symbol
Explanation
Dimension
Unit,
See
for example
page
Illobs,A
observed specific
r1
d-1
197
growth rate for autotrophic bacteria
Illobs,A,net
observed specific net r1
d-1
197
growth rate for nitrifying bacteria (A)
n
stoichiometric
M-Nr 1
kg/kg
coefficient
ncoD,CH4
stoichiometric
M·Nr 1
kg CI-14/kg COD
301
coefficient
nHAc,P04
stoichiometric
Mp·Nr 1
kg P04-P /kg HAc
98
coefficient
nNH4,02
stoichiometric
M·MN 1
kg oxygen/kg NH4-N
coefficient
nN03,COD
stoichiometric
M·MN- 1
kg COD /kg N03-N
coefficient
no2,5
stoichiometric
M-M- 1
kg substrate/kg oxygen
coefficient
Ilox,red
stoichiometric
M·Nr 1
kg red.mean/kg ox.mean
158
coefficient
ns,HAc
stoichiometric
M·Nr 1
kg HAc/kg COD (easily
coefficient
degradable matter)
nx,s
stoichiometric coeffici- Ms·Mx- 1
kg COD /kg COD
64
ent, conversion of suspended solids (X) into
dissolved matter (S)
X
dimensionless depth
43
ofbiofilm
x'
dimensionless depth
148
for the efficient part of
the biofilm
372