Ozonation and PAC addition schemes, results - EU Project Neptune
Ozonation and PAC addition schemes, results - EU Project Neptune
Ozonation and PAC addition schemes, results - EU Project Neptune
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<strong>PAC</strong> <strong>addition</strong> to secondary effluent<br />
(SBR, with <strong>and</strong> without <strong>PAC</strong> recycling)<br />
Pilot plant Eawag<br />
SRT ~ 13 d SRT ~ 15 d<br />
<strong>PAC</strong><br />
+Fe(III)<br />
SRT ~ 4 d<br />
Lane A<br />
Denitrification<br />
Nitrification<br />
Secondary clarifier<br />
Storage Buffer tank 11 Ads-SBR Storage Buffer tank 2<br />
Cloth filter<br />
Flow<br />
direction<br />
Effluent<br />
Influent<br />
(mechanical pretreated<br />
wastewater)<br />
Return sludge<br />
Flushing water (optional)<br />
Flushing water<br />
<strong>PAC</strong> excess sludge (optional)<br />
<strong>PAC</strong> excess sludge<br />
Excess<br />
sludge<br />
<strong>PAC</strong> excess<br />
sludge<br />
Flushing water<br />
Nitrification<br />
Lane B<br />
SRT ~ 13 d<br />
Denitrification Nitrification<br />
<strong>PAC</strong>-<br />
Suspension<br />
Secondary<br />
Clarifier<br />
Secondary clarifier<br />
Cloth Filter<br />
<strong>PAC</strong>-SBR<br />
Effluent<br />
Denitrification<br />
Return sludge<br />
Excess<br />
sludge<br />
Storage Tank<br />
sampling point<br />
Storage Tank
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