Table 2: Operational conditions of the HMBR.

Height of packing bed (cm)Number of period Number of days in the periodAccumulated time from
day to day
Concentration of COD at the inlet
Kg/m3
Concentration of
Kg N/m3
Air
flowrate
L/h
Average COD loading rate kgCOD/(m3⋅d)Average loading rate kgN/(m3⋅d)

Phase I
27 cm
1161–16250–100016–65120
21017–2620001352,870,19
3727–3360
4834–4125001653,590,24
5842–49120
61050–5930002024,300,29
7760–6660
8767–7350003357,170,48
9674–79120
Phase II
54 cm
101080–8930002021804,300,29
111490–10360
127104–11057003808,180,55
138111–118120
1411119–129180
155130–13440002705,740,39
165135–13960
179140–148120
185149–15360
Phase III
0 cm
196154–15940002705,740,39
207160–166120