~
Components
Particulate
Dissolved
i
2
1
2
3
1 3
4
4
j
Processes
X, XH
XNS
XNB
So
Ss SNH
SNI
Heterotropich
Organisms
(Degradation
of
organic
components)
1 Aerobic
Growth
of
hetero1
YH-1
-1
-is
trophs YH
YH
2
Anocix
Growth
of
hetero1
-1 -is ?
trophs YH
3
Decay
of
Heterotrophs ft
-1 1fr isfr
·
Ir
Autotropic
Organisms
(Nitrification)
4
Growth
of
Nitrosomonas
1
YNs-3,43
1 1
-
i
s
-
-
YNs
YNs
YNs
5
Decay
of
Nitrosomonas ft
-1
1-f, isf1 Ir
6 Growth
of
Nitrobacter
1
YNs-1,14
-is
-1
YNs
YNs
7
Decay
of
Nitrobacter ft
-1 1-fr
is-h
Ir
Observed
Reaction
Rates
[Mi
L''T1]
ri
=~nueti ·
P1
I
Stoichiometric
Parameters 0
0
0
0
0
0
0 0
0
e
0
u
u
u
u
u
z
z
Y, =Yield
coefficient
[MiMi
' 1
1 ~
~
~
8 ~
fr =Fraction
of
parti 1
cul.
decay
6
,g .9
~
~
i
products
[Mr Mx·
1
~ "'
"'
1i
o
*
:2
"'
;a
>,
iii
z
ib,ip
=Nitrogen
content
of
bio8
2
0
"'
6 (5
0. 0
"' " "
mass
and
part.
products ·~ 0
"'
Jj
6 ~
"
OJ)
'8
z
[MnM 1
1 0.,
0
0
.g
> ~ 0 2
.11
~
0
"' E
~
Jj
Jj ~
" ~
'E
Indices:
Organisms:
H,NS,NB
"
z
z cs ~
z
.5
:r:
Table
6.2
Process
matrix,
denitrification
and
nitrification in
rotating
disc
filters
I 4/.
5 6
SNo
SA
is 14
YH-1 1
YH
ia
2,86.
YH
40·YH-)4
nueNH/14
is 1
14
7
·YNs
nueNH/14
1 YNs
nueNH/14
i
i
1
0
z ::;:
0 u
;.,.
:r:
z
>,
:g
"' b
]
z <
..
L
_
_
Proces
Rate
Equations
Pj
=
Proces
Rate=
[M
L -3
T 1
1
~mH·____§_·~· SNH
.~.XH
Ks+Ss
KHo+So
KHNH+SNH
KHA+SA
P1
·
KHo
·
~ ·lloEN
So
KHNo+
SNo
bH·
XH
~mNs. SNH
.
~. __
s_A_. XNs
KNSNH
+ SNH
KHo
+ So
KNSA
+SA
bNs·
XNs
SNI
So
SNH
~mNB
-
-
-
·
-
-
-
·
KN!
+ SN!
KNBO
+ So KNBNH
+ SNH
XNs
bNs
·
XNs
Kinetic
Parameters:
llrni =
Maximum
specific
growth
rate
of
organism
i
[T'1
bi
=Decay
rate
constant
of
organism i
[T 1
J
Ki,i'
=Saturation
concentration
for
organism
i for component
i'
[Mi L
-31
T)DEN
=
Denitrificationfactor
[-1
Indices
i
(Organism) H,
NS,
NB:
Heterotrophs,
Nitrosomonas,
Nitrobacter
Indices
i
(dissolved
components)
0, S,
NH,
Nl,
NO, A:
Oxygen,
Substrate,
NH/,
No,·, NOJ·,
HCOJ.
-
-
-
-
·
·
-
f IJ1 g- ~ ~ ::s [ ~ ~ '"'d
~