Process and plant for purifying organically polluted industrial waste waters

摘要

In a process for the continuous or discontinuous operation of a plant for purifying organically polluted industrial waste waters in at least one reactor with addition of H2O2 and a homogeneous catalyst, the waste water to be purified, prior to its treatment in the reactor or reactors and before addition of H2O2, first receives an addition of catalyst solution acidified using mineral acid. In this case the additions both of the catalysts and the H2O2 are made directly into the feed line and after each dosing an intensive mixing is performed each time of the polluted waste water and the composition added.