PROCESS FOR THE TREATMENT AND DECONTAMINATION OF WASTE WATER SLUDGE

摘要

A process for the treatment and decontamination of waste water sludge comprises operation for decontamination of sludge, decreasing of its volume by means of gravitational compaction and dewatering of sludge on sludge beds with surface outlet of water, and also operation for biooxidation of liquid fraction. Decontamination of sludge is carried out using bioremediation directly on the sludge beds, and gravitational compaction of compacted sludge on sludge beds after interruption of surface outlet of water is carried out by discharge of free water to the artificially formed below the level of the foot of sludge bed areaway with forced withdrawal of water by step by step lowering of level of drain overflow edge with surface outlet of water below the level of the foot of sludge bed.