Method and associated plant for the disposal of the liquid from the bottom of dumping tanks for solid urban refuse.

摘要

Method consisting of a stage involving drawing off the settled percolate for concentration of the percolate with a stream of hot air to extract water vapour and volatile organic substances, a stage involving the return of the concentrated percolate into the settling tank for subsequent oxidation, a stage involving the extraction of the residual sludge; and plant comprising a settling tank (V) with an optional preheater (R) and flue gas/liquid heat exchanger (BT), a pipe to extract the percolate, a mixing concentrator (C) supplied by an appropriate flue gas/air exchanger (AT), a drawing off pipe capable of conducting the vapours of organic substances to an appropriate combustion chamber (CC).