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Automatic polyelectrolyte preparation and dosing unit The automatic polyelectrolyte preparation and dosing unit consists of a rectangular tank divided into three compartments. The first compartment, for dilution, is complete with polyelectrolyte loading hopper, micro-screw batcher and relevant variable speed drive, fast stirrer for the polyelectrolyte mixing, inflow system for the dilution water and relevant solenoid valve, flow meter and pressure relief; the second compartment, for the polyelectrolyte mixture ageing, is equipped… ادامه »Polyelectrolyte preparation package