post treatment
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Anaerobic Treatment Mechanisms
for Methane Production from
Sewage Wastewater
Dr. MD. SHOHIDULLAH MIAH
Post-Doctoral Fellow
Center of Excellence (COE)
(From 2004-to date)
Dept. of Environmental System Engineering
Nagaoka University of Technology,
Nagaoka, Japan
Fig.8: Mean and SD of pH for raw sewage,
UASB, DHS, Clarifier and FPU effluent
6.4
6.8
7.2
7.6
8
Sewage UASB DHS Clarifier FPU
pH
Fig.12: Mean and SD of DO for raw sewage, UASB
effluent, DHS, Clarifier and FPU
0
1
2
3
4
5
6
Sewage UASB DHS Clarifier FPU
DO
(m
g/l)
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