IWA Publishing

Table 1

Plant 1 average influent flow and influent and effluent wastewater quality during study period

Parameter	Units	Value	Final effluent permit limits
Flows
AAF	ML/d	67.6
ADWF	ML/d	57.4
Influent loads
TCOD	kg/d	28.3
TKN	kgN/d	2.6
FSA	kgN/d	1.5
Total P	kgP/d	296
Ortho P	kgP/d	131
TSS	kg/d	15.1
Influent concentration
TCOD	mg/l	418
TKN	mgN/l	39
Ammonia	mgN/l	23
Total P	mgP/l	4
Ortho P	mgP/l	2
TSS	mg/l	223
Alkalinity	mg/l as CaCO₃	244
Effluent concentration
TCOD	mg/l	39	50
FSA	mgN/l	0.7	1
Ortho P	mgP/l	0.3	0.5
Nitrate & nitrite	mgN/l	6.4	6
TSS	mg/l	6.8	10

Parameter	Units	Value	Final effluent permit limits
Flows
AAF	ML/d	67.6
ADWF	ML/d	57.4
Influent loads
TCOD	kg/d	28.3
TKN	kgN/d	2.6
FSA	kgN/d	1.5
Total P	kgP/d	296
Ortho P	kgP/d	131
TSS	kg/d	15.1
Influent concentration
TCOD	mg/l	418
TKN	mgN/l	39
Ammonia	mgN/l	23
Total P	mgP/l	4
Ortho P	mgP/l	2
TSS	mg/l	223
Alkalinity	mg/l as CaCO₃	244
Effluent concentration
TCOD	mg/l	39	50
FSA	mgN/l	0.7	1
Ortho P	mgP/l	0.3	0.5
Nitrate & nitrite	mgN/l	6.4	6
TSS	mg/l	6.8	10

AAF, Average Annual Flow; ADWF, Average Dry Weather Flow.