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Impact of methane emissions from wastewater sector in India ...

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Inflow<br />

Inlet<br />

Chamber<br />

Bar<br />

Screen<br />

Grit<br />

Chamber<br />

Dia‐1200mm (12m x 12m,<br />

depth‐2m)<br />

Primary<br />

Clarifier<br />

(Dia ‐ 9.36m,<br />

depth –3m)<br />

To PC<br />

Sludge<br />

Thickener<br />

Sludge dry<strong>in</strong>g beds<br />

Aeration Tank<br />

(34m x 60.2m)<br />

Recycle to AT To SDB<br />

(Dia‐ 40 m)<br />

Primary<br />

digester<br />

Secondary<br />

Clarifier<br />

Digested<br />

sludge<br />

(Dia‐41.23m)<br />

Collection<br />

sump<br />

Flow Diagram <strong>of</strong> Sewage Treatment Plant, Nagpur<br />

Secondary<br />

digester<br />

To PC<br />

Effluent<br />

discharge<br />

<strong>in</strong>to dra<strong>in</strong><br />

Gas<br />

Dome<br />

Centrifuge<br />

Flar<strong>in</strong>g<br />

unit<br />

Dried cake

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