PROCESS FOR THE REMOVAL AND DECONTAMINATION OF WASTE WATER SLUDGE

摘要

A process for the removal and decontamination of waste water sludge comprises the preliminary hydro washing and further division to slurry sludge and clarified water with its return to the process. For the hydro washing alkali suspension is used of hydrolyzed aluminum silicates. Besides hydro washing is carried out in ratio suspension/sludge 4:1 with further inlet to the obtained after hydro washing slurry of one more part of alkali suspension, which is additionally contains ash from burning of sludge, or in ratio suspension/sludge 5:1.