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Denitrification in Italy

Agitator for denitrification in a 1400 m3 tank with a concentration of 30 g/l of suspended solids


This is a civil biological water treatment plant with a 950 m3 homogenization tank and a 1400 m3 denitrification basin, dimensions 31.6 x 7.3 x 7 m (W x L x H), constant liquid level at 6 m. The maximum concentration of suspended solids is 30 g/l.

PRO-DO-MIX® proposal includes 2 vertical agitators installed in the same denitrification tank, model BEL.A1262.Q.500.

The agitator drive unit consists of an 11 kW motor and a planetary gear motor. They were built with a 3PM-0030 high efficiency impeller, with a diameter of 2600 mm. This impeller guarantees optimal stirring with just 6 w/m3 consumption.

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3PM-0030 EVOLUTION

Impellers with high hydrodynamic profile

Three-blade impeller with high hydrodynamic profile. It is the “evolution” of Hurricane. Its internal velocity gradient, constant from the centre to the edge of the blade, allows the positioning of an impeller with large diameter very close to the bottom of the tank. That makes Evolution perfect for applications that require the mixer’s continuous operation during the total draw-off of the tank.

It can be manufactured with different diameters, 1650 to 3500 mm.

A completely disassemblable option is available as well, to ease the entering through the tank manhole.

3PM-0030 EVOLUTION

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