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Urban Wastewater Treatment 301
others to and to for
is the due input conditions sensitive higher maintenance
for ASP more than objection difficulties maintenance and pH is efficiency and (common 7) and
preference conventional in installations energy to environmental consistent efficiency costs & 6 cost area land use
Remarks The realized Obvious higher Operational poor Sensitive Pretreatment Poor land S.No. Higher issue Large Limited
Average size (MLD) 72.8 21.1 8.3 181.8 16.5 44.5 13.2 32.1 86.0 51.2 126.0 31.6 50.5 7.8 23.0 4.5 6.2 28.0
Age capacity 1.1 1.0 3.1 0.9 0.8 1.1 3.3 1.5 2.2 2.7 5.6 1.2 0.1 0.2 1.4
% 52.6 21.2 26.0
cities (100%)
I Combined capacity (MLD) 3059.63 63.36 58.04 181.84 49.50 44.50 66.00 192.62 86.00 1229.73 126.00 158.17 1513.90 327.53 69.00 4.45 12.46 84.00 5812.83
class
of
STPs of (100%) 2005.
in No. plants 42 3 7 1 3 1 5 6 1 24 1 5 30 42 3 1 2 3 150
employed filter November
technologies (ASP) process Sed. pond lagoon+ASP bioreactor biofilters process sludge PST+UASB+PP PST+UASB above the ponds stage) (single digester+trickling plantation) (for treatment CPCB, India, in
treatment sludge Aer Aer+Ter. ASP+biofilter lagoon+fish aerobic growth) or filter UASB+activated or channel UASB+Sedimentation or channel all of (sum stabilization pond technology primary Treatment
Sewage Technology Activated PST+ASP ASP+Ext. ASP Ext. High-rate Aerated Facultative Fluidized (attached Trickling UASB Grit Grit UASB process) Waste Oxidation Anaerobic Kamal Only Total Sewage of
7.7 Status
Table No. S. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. Source:
