Table 5 Operating conditions of the SBR.

From: Improvements on activated sludge settling and flocculation using biomass-based fly ash as activator

Parameters

Value

Cycle length, h

12

Solids retention time, day

10–12

Organic loading (kg BOD/m3d)

0.34

Operating temperature, °C

25

Dissolved oxygen, ppm

>1

Operational pH

7–8