The mobile, self-treatment and sludge dewatering, stroke developed by Rivard is capable of reducing volumes up 90% and delete a certain level (percentage of 20% 25%) of dehydrated sludge solids. The method developed is therefore possible to reduce up to 95% of chemical oxygen demand and biochemical oxygen demand while offering a high processing speed (up to 40 m³ / hour )..

Thanks to its mobility and autonomy, the stroke unit is adaptable to any size and type of treatment plants and can drastically reduce transportation costs and disposal of waste. So the security of operating costs and maintenance interesting, offering a return on investment very quickly.

The treatment system and sludge dewatering unit consists of a pumping and metering the polymer EOD / DOD aspires to return sludge and dehydration in the container where the stroke water and solids are separated. The materials are available in electric, ODL and diesel version, DOD. The unit will mix the polymer and sludge sucked for the container returned to dehydration stroke. This mixture of polymer and creates sludge flocculation that increases the speed and efficiency of the dehydration process.

The sludge is sucked by a screw pump (40 m³ / hour) integrated in the system EOD / DOD. The correct amount of polymer is automatically injected through a metering pump. However, the user can easily adjust the actual amount of polymer injected by adjusting the speed of the pump using a single knob.

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