TREATMENT OF A TRICKLING-PERCOLATING FILTER

摘要

2066231 9202465 PCTABS00010 A method of treatment of a trickling-percolating filter to remove or inhibit blockages which consists in feeding electron acceptor substances (nitrates) with the filter medium in a distributed fashion. Perforated pipes (5) may be sunk into the filter medium (2) for the application of the substances in liquid form. The application of the electron acceptor solution may be followed by the application of a liquid suspension of bacteria capable of using the said solution.