Approach used / Answer given
The Châtres Town Council commissioned GEB Conseil to provide it with an integrated solution, including:
GEB Conseil, together with the local authorities, opted for the Dosatron D25WL2IEPO dosing pump.
They chose a polymer dosing pump that mixes the polymer with the water to obtain a homogenous solution before being injected into the sludge transfer pipe towards the TenCateGéotube®.
This technique optimises the treatment capacity of the old drying beds (10 to 15 times greater capacity), without any major work. The filtered water is collected using the existing drying bed drainage system.