Integrated Evaluation of POME Treatment by Dielectric Barrier Discharge based on Yield of H2 and CH4, EEMs and removal of COD

Desmiarti, Reni and Yusup Rosadi, Maulana and Emeraldi, Primas and Hazmi, Ariadi (2023) Integrated Evaluation of POME Treatment by Dielectric Barrier Discharge based on Yield of H2 and CH4, EEMs and removal of COD. Integrated Evaluation of POME Treatment by Dielectric Barrier Discharge based on Yield of H2 and CH4, EEMs and removal of COD.

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Abstract

The present study investigates the treatment of palm oil mill effluent (POME) with a dielectric barrier discharge (DBD) plasma system. This paper presents the results of the yield of hydrogen (H2) and methane (CH4), and the removal of organic matter and chemical oxygen demand (COD) from POME. Also, state-of-the-art methods were employed to measure methane and hydrogen directly from the reactor as well as their improvement. The DBD was carried out with an applied voltage of 10–25 kV in a batch glass plasma reactor. The results revealed a significant effect of the voltage variation on the yield of H2 and CH4. Increasing the applied voltage enhanced the conversion of POME with COD reduction in the range of 48.9 to 53.7% and biochemical oxygen demand reduction in the range of 30 to 40% when the applied voltage was 15–25 kV. Furthermore, to estimate the removal of organic matter in POME, a fluorescence excitation-emission matrix was used.

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