98
7 Treatability Study of Municipal Wastewater …
Table. 7.1
Characterization of municipal wastewater collected from Palmer Buzzer, Kolkata Municipal Corporation
Date of collection pH
Total alkalinity (mg/l) COD (mg/l) BOD (mg/l) TS (mg/l) TDS (mg/l) TKN (mg/l) PO
3−
4
(mg/l)
NO
2−
3 (mg/l) TSS (mg/l)
Collection point: pumping station, Palmer Buzzer, Under KMC
11.01.14
7.21 360
264
208
514
468
22.4
5.1
0.8
46
18.01.14
7.14 370
256
200
544
520
24
8.5
0.92
24
01.02.14
7.17 380
256
235
406
380
22.4
4.73
2.2
26
08.02.14
7.14 350
244
220
416
380
28
3.2
2.15
36
15.02.14
7.18 350
224
180
512
444
25.2
3.92
3.44
68
22.02.14
7.25 350
283
240
488
420
19.6
7.25
3.5
68
Statistical analysis
Mean
7.18 360
255
214
480
435
23.6
5.45
2.43
44.67
Standard deviation 0.016 4.7
7.36
8.4
21
20.2
1.07
0.756 0.31
7.34
Max
7.25 380
283
240
544
520
25.2
8.5
3.44
68
Min
7.14 350
224
180
406
380
19.6
3.2
0.92
24