for the ratio of 192. Therefore, it should also be considered
that the effective doses of Fenton’s reagent vary with respect
to the selected ratio. In order to achieve maximum removal
with minimum doses, effect of ratio should be given importance.
Improvement in the biodegradability of the wastewater was also
followed in terms of the change in the BOD5/COD ratio and it
was seen that, after Fenton’s treatment (at a H2O2/Fe2+ ratio of
192), the biodegradability of the wastewater was increased by
about 1.3–1.4 times, depending on the doses applied.