Process and device for conditioning and subsequently draining sludge

摘要

The addition of flocculant to a suspension to be drained is carried out according to the invention selectively on the suction side or delivery side of the charging pump generating the filtration pressure, the change-over from one addition point to the other taking place as a function of a sludge parameter or an operating parameter of the drainage device, for example as a function of the filtration pressure.