Symbol
Explanation
Dimension
Unit,
See
for example
page
MWorg
mole weight for orga- M ·mol-l
g/mol
68
nic (not specified) matter (often set at 393
g/mol)
n
number of flocculation
327
chambers
N
number (persons)
16
N
transport through
M·L- 2 -r 1 g/(m 2 · d)
144
cross section
n£
number of floes per vo- L - 3
number of flocs/m 3 water 326
lume of water
nrr
Freundlich adsorption
331
isotherm constant
np
number of primary
L-3
number of primary
325
particles per volume of
particles/m 3 water
water
OUR
oxygen uptake rate
Moz·Mx- 1 · g Oz /{kg vss. h)
rl
p
power in flocculation
327
expression
p
primary particle
PE
population equivalent L3.rl
m 3 /d
24
for (0.2 m 3 I d, 60 g
or
or
BOD/d)
M-r 1
g/d
PEooo
population equivalent M-r 1
gBOD/d
25
for BOD(= 60 g
BOD/d)
PEwater
population equivalent
for water ( = 0.2 m 3 I d)
L3.rl
m 3 /d
24
361