Symbol
Explanation
Dimension
Unit,
See
for example
page
rv;ki
volumetric removal
Mi · L- 3 ·1 1 gl(m 3 ·h)
188
rate for matter in -phasek
rv;oz
volumetric oxygen de- M· L- 3 1 1 g02I(m 3 ·h)
mand rate
rv;p
volumetric primary
L-311
number of primary partie- 325
particle formation rate
les sloughed off from
flocsl(m 3 water · s)
rv;p04
volumetric phosphate M·L- 3 1 1 kgPI(m 3 ·d)
98
uptake rate
rv;s
volumetric substrate
M·L- 3 ·1 1 kgCOD(S)I(m 3 . d)
63
(dissolved) removal
rate
rv;xs
specific volumetric
M· L- 3 .1 1 kg CODI(m 3 ·d), kg
63
removal rate of
VSSI(m 3 d)
biomass or sludge
rv;xs
specific volumetric
M . L-3. 11
kgl(m 3 ·d)
64
removal rate of particulate substrate (Xs), for
example hydrolysis
rvt
specific biofilm volu- M · L- 3 · r 1 kgl(m 3 ·d)
144
metric rate
rx,s
removal rate per
Ms· M£ 1 · r 1 kg COD(S) I (kg COD(X) ·
amount of biomass or
d)
sludge
rx,S(N03)
nitrate removal rate
MNo3· Mx- 1 g N03--N I (kg VSS · h)
93
per amount of biomass ·11
or sludge
rx,x
removal rate (of slud- Mx· Mx- 1 1 1 kgSSI(kgSS ·d), kg
ge) per amount of sludCOD I (kg COD · d)
ge
s
second
s
364