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Updated: Mar 10, 2026

Light-driven Enzymatic Decarboxylation
Published on: May 22, 2016
Post-treatment of palm oil mill effluent (POME) using combined persulphate with hydrogen peroxide (S2O82-/H2O2)
Chia Ken Lin1, Mohammed J K Bashir1, Salem S Abu Amr2
1Department of Environmental Engineering, Faculty of Engineering and Green Technology (FEGT), University Tunku Abdul Rahman, Kampar, Perak 31900, Malaysia
Abstract:
The aim of the current study is to evaluate the effectiveness of combined persulphate with hydrogen peroxide (S2O82-/H2O2) 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 (NH3-N), and suspended solids (SS) were 36.8%, 47.6%, and 90.6%, respectively, by S2O82- oxidation alone under certain operation conditions (i.e., S2O82- = 0.82 g, pH 11, and contact time 20 min). Nevertheless, the combined process (S2O82-/H2O2) achieved 75.8% and 87.1% removals of NH3-N and SS, respectively, under 2.45/1.63 g/g H2O2/S2O82-, pH 11, and 20 min oxidation. Moreover, 56.9% of COD was removed at pH 8.4.
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