Performance Evaluation of Dry Faecal Sludge-Derived Activated Carbon (DFSAC) for Wastewater Pollutant Removal: A Case Study of the Lavender Hill Faecal Treatment Plant
Table 3
Mean results for analyzed physicochemical and microbial characteristics of effluent samples for wk 2 of laboratory-scale filtration setup.
N
Mudor WWTP effluent
Lab-scale setup effluent
% Removal
EPA std.
Min
Max
Mean
Std. dev.
Min
Max
Mean
Std. dev.
COD
mg/L
21
84.675
183.125
127.232
33.333
51.000
102.453
71.901
18.684
43.49
250
BOD
mg/L
21
8.670
91.256
43.126
30.226
8.265
12.158
9.736
1.127
77.42
50
TSS
mg/L
21
15.564
46.012
33.381
10.134
9.560
20.300
12.586
3.177
62.296
50
TDS
mg/L
21
160.56
1821.78
1269.90
461.105
760.000
999.158
852.158
61.994
32.90
1000
EC
µS/cm
21
1442.364
1715.368
1590.03
92.660
1066.330
1452.385
1273.00
126.600
19.94
1500
pH
21
6.00
8.50
7.414
0.798
7.00
8.20
7.67
0.432
—
6–9
Turbidity
NTU
21
18.235
94.368
58.143
26.161
10.652
55.870
33.380
12.544
42.59
75
Color
TCU
21
102.587
298.368
187.706
52.316
40.000
100.110
58.082
15.923
69.06
200
ORP
mg/L
21
7.00
28.00
17.029
7.587
12.00
38.00
24.540
8.528
—
DO
mg/L
21
0.882
4.587
2.446
1.126
1.335
2.705
1.847
0.553
—
NH3
mg/L
21
11.689
126.857
69.940
42.912
8.890
100.00
34.392
22.646
50.83
1
TC
MPN/100 ml
21
22 × 105
70 × 105
43.07 × 105
16.455
15 × 104
81 × 104
60 × 104
12.385
86.07
400
E. coli
MPN/100 ml
21
12 × 105
48 × 105
30 × 105
12.255
23 × 104
52 × 104
30 × 104
4.028
90.00
N: Number of samples; Wk: week; Significant; Nonsignificant at 95% confidence level; a total of 21 L of Mudor effluent water was filtered at week 2.
