Table 2.3
Treatment of raw municipal wastewater
1
by two-stage F-Cell
2
and FF-Cell
3
[19]
Parameter
Raw Wastewater
F-Cell effluent
FF-Cell effluent
Total removal (%)
Range
Average
Range
Average
Range
Average
TSS (mg/L)
98–1191
303
15–240
73
ND-23
4
99
COD (mg/L)
251–1325
571
142–475
290
74–342
145
75
BOD (mg/L)
108–494
242
68–222
122
30–127
59
75
Turb. (NTU)
44–147
76
20–87
44
0.6–55
12
84
P (mg/L)
1.2–12.8
56
1-1-5.8
4.1
0.04–3.3
0.98
82
TKN (mg/L)
25–65.2
39
23–61
32
8.4–50
27
30
NH
3 -N (mg/L)
20–31
23
17–26
21
10–23
19
19
NO
3 -N (mg/L)
0.7–16.9
2.2
0.1–10.6
1.5
ND-8.6
0.74
66
COD/BOD
2.3–2.7
2.4
2.1–2.1
2.4
2.4–2.7
2.4
–
1. Temperature
¼ 15–20
C, pH
Raw
¼ 6.9–8.1, pH
F-Cell
¼ 6.8–7.9, pH
FF-Cell
¼ 6.2–7.8
2. F-Cell
¼ Flotation cell
3. FF-Cell
¼ Flotation/filtration cell
2 Water Reclamation
61