Post-treatment of palm oil mill effluent (POME) using combined persulphate with hydrogen peroxide (SO/HO) oxidation.

The aim of the current study is to evaluate the effectiveness of combined persulphate with hydrogen peroxide (SO/HO) oxidation as a post-treatment of biologically treated palm oil mill effluent (POME) for the first time in the literature. The removal efficiencies of chemical oxygen demand (COD), ammoniacal nitrogen (NH-N), and suspended solids (SS) were 36.8%, 47.