514
Y. Folkman and A.M. Wachs
Table 2
Coefficients of Ammonia Release Rates in Continuous Flow and in Plug Flow
Experiment
Data
Q = 585 1/day
u = 7.1 km/hr
T= 13°C
ki = 0.14
k u = 3.91
k u ki = 0.547
cm/hr
Q = 8 0 5 1/day
ό = 8.1 km/hr
T = 14°C
k! = 0.14
k u = 4.32
k u ki = 0.605
cm/hr
Q = 442 1/day
u = 14.4 km/hr
T = 2 1 ° C
ki = 0.16
k u = 6.9
k u ki= 1.105
cm/hr
Tank
A
B
C
D
E
F
A
B
C
D
E
F
A
B
C
D
E
F
Depth
cm
96
96
96
94
96
87
96
96
96
94
96
87
96
96
96
94
96
87
Release rate coefficients according to eq. (18) for cont.
flow
days
2
2
2
i 2
1.2
0.75
1.47
1.47
1.45
1.44
0.86
0.54
2.67
2.67
2.65
2.63
1.56
0.98
Cn/Cn-1
0.86
0.86
0.83
0.80
0.86
0.83
0.80
0.83
0.77
0.80
0.90
0.89
0.70
0.73
0.73
0.73
0.85
0.76
ku
k l
h
0.162
0.162
0.202
0.25
0.162
0.202
0.250
0.202
0.300
0.250
0.111
0.120
0.43
0.37
0.37
0.37
0.18
0.32
k u k!
cm/hr
0.324
0.324
0.401
0.490
0.540
0.975
0.68
0.55
0.82
0.68
0.52
0.81
0.645
0.555
0.550
0.550
0.460
1.185
Theoretical release rate in plug
flow ace. to eq. (25)
Θ
days
2
4
6
8
9.2
10
1.47
2.94
4.39
5.83
6.69
7.23
2.67
5.34
7.99
10.62
12.18
13.16
K h r "
1
0.57xlO~
2
0.57xl0~
2
0.57xl0~
2
0.58xl0~
2
0.57xl0~
2
0.63xl0"
2
0.63xl0"
2
0.63xl0"
2
0.63xl0~
2
0.64x10"
2
0.63xl0"
2
0.70xl0"
2
1.15xl0"
2
1.15xl0"
2
1.15xl0~
2
1.18xl0"
2
1.15xl0~
2
1.27xl0"
2
k
0.273
0.547
0.820
0.115
1.260
1.505
0.222
0.445
0.665
0.900
1.015
1.205
0.736
1.475
2.210
3.020
3.360
4.010
c/c 0
0.760
0.577
0.440
0.328
0.284
0.222
0.800
0.640
0.514
0.406
0.362
0.300
0.479
0.230
0.110
0.049
0.035
0.018