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Nashik Thermal Power Station, Maharashtra, INDIA |
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The existing raw water treatment plant at Nashik Thermal Power Station, Stage-1 (NTPS), Maharashtra, India consists of six numbers of vertical flow sludge
blanket type settling tanks, followed by three rapid sand gravity filter beds.
The
capacity of the plant is 1200 cum/hr and source is river Godavari. The raw water
quality over the years has deteriorated due to untreated sewage released in river by
Nashik city and due to leaching fertilizers from upstream sugarcane fields. In the lean
flow season (8 to 9 months) the problem becomes acute and the COD value reaches
up to 50-60 mg/l. The raw water has appearance of pale brownish � black brew and
obviously heavily laden with organics. |
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