Time in MLSS COD mg/L µ=dX/ q=dS/

min mg/L X S dX/dt dS/dt Avg X dt/X dt/X Avg S 1/S 1/µ
0 380 950 0.001053
10 405 902 2.5 -4.8 392.5 0.00637 -0.01223 926 0.00108 157
20 440 855 3.5 -4.7 422.5 0.00828 -0.01112 878.5 0.001138 120.7143
30 470 817 3 -3.8 455 0.00659 -0.00835 836 0.001196 151.6667
60 515 723 1.5 -3.13333 492.5 0.00305 -0.00636 770 0.001299 328.3333
120 570 608 0.916667 -1.91667 542.5 0.00169 -0.00353 665.5 0.001503 591.8182
240 615 450 0.375 -1.31667 592.5 0.00063 -0.00222 529 0.00189 1580
360 635 330 0.166667 -1 625 0.00027 -0.0016 390 0.002564 3750

-100
0 0.001 0.002 0.003
f(x) = − 401584.949601659 x + 362.635005681332
Y obso
R² = 0.968125813471474
-200
f(x) = − 0.922089672561362 x −
-300 R² = 0.956351503881989
Axis Title
-400 Column L
dX/dt
Linear (Column L)
-500

-600

-700 -5 -4.5 -4 -3.5 -3 -2.5 -2 -

Axis Title dS/dt
 1/q
0
-81.77083
-89.89362
-119.7368
-157.1809
-283.0435
-450
-625

Y obsolute Yt
4 0.009
3.5 0.008
f(x) = − 0.86628200381967 x − 0.00137371964502412
) = − 0.922089672561362 x − 0.862026022995603
R² = 0.967011075451676 0.007
= 0.956351503881989 3
0.006
2.5
Y obsolute 0.005 Yt
2
Axis Title Linear (Y obsolute) 0.004 Linear (Yt)
1.5 0.003
1 0.002
0.5 0.001
0 0
-4 -3.5 -3 -2.5 -2 -1.5 -1 -0.012 -0.5 -0.01 -0.008 -0.006 -0.004 -0.002 0
dS/dt q
 Settling Velocity wt. fraction remaining
3.2 0.61
1.6 0.48 0.7
overflow r 2.743056 0.8 0.39 Chart Title
0.5 0.25 0.6
0.7
0.3 0.21
0.5 0.6
0.22 0.12

Wt fraction remainign
0.15 0.05 0.5
0.4
0 0 0.4
0.3 0.3
0.2
0.2
0.1
0.1 0
0 0.5 1 1.5 2 2.5
0 Velocity
0 0.5 1 1.5 2 2.5
 Chart Title

Column D

0.5 1 1.5 2 2.5 3 3.5

Velocity
1 1.5 2 2.5 3 3.5
Height m Time min
0.75 0 30
0.65 5 2.5 3
Chart T
0.58 10 2.25 5 3.5
0.5 15 28 3
0.42 20 0.42 1.8 10 2.5
0.36 25 0.36 1.5 13 2
0.31 30 0.31 1.35 15 1.35 Axis Title 1.5
0.26 35 0.26 1.15 20 1 f(x) = − 0.05 x +
R² = 1
0.23 40 1 22 1 0.5
0.21 45 0.85 25 0.85 0
0.2 50 0.74 30 0 10 20 30 40
0.18 55 0.62 35 Axis Title
0.17 60 0.55 40
0.5 43
0.48 45
0.45 50
0.43 55
0.4 60
 Chart Title 0.75
3.5 0.8
3 0.7
2.5 0.6 f(x) = − 0.00956043956043956 x + 0.657582417582417
R² = 0.919491916634677 1
2 10.5
20.4 Linear (1)
1.5 f(x) = − 0.0106 x + 0.629 2

h
Linear
0.3 (2) R² = 0.997868561278863
1 f(x) = − 0.05 x + 2.1 Linear (2)
R² = 1 0.2
0.5
0.1
0 0
0 10 20 30 40 50 60 70 0 10 20 30 40 50 60 70
Axis Title t
582417
1
Linear (1)
2
Linear (2)

70