DEGRADATION OF PALM OIL MILL EFFLUENT BY TiO2/SONOLYSIS TREATMENT

ALLYSHA RIZIANA, REDUAN (2019) DEGRADATION OF PALM OIL MILL EFFLUENT BY TiO2/SONOLYSIS TREATMENT. [Final Year Project Report] (Unpublished)

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Abstract

Palm oil mill effluent (POME) is one of the main wastewater sources in Sarawak due to its large cultivation. POME is a colloidal suspension that contains water, oils, grease, total suspended solids and organic matter that contributes to severe environmental problems when disposed to nearby water bodies. The objective of this study was to investigate the efficiency of TiO2/sonolysis on POME degradation by varying the operating parameters such as catalyst dosage, amplitude, dilution and contact time. The study utilized sonolysis as an alternative method to remove chemical oxygen demand (COD) in POME in the presence of TiO2. Different dosage of TiO2 (0.1 g/L, 0.2 g/L and 0.4 g/L) was used to investigate this efficiency towards COD reduction. POME was diluted with distilled water (1:1000 and 1:100) before underwent treatment with different dosage of TiO2 and sonolysis conditions. The highest COD reduction of 96.1% for 1:1000 and 80% for 1:100 was obtained using 0.4 g/L of TiO2 and 60% amplitude at 5 minutes of contact time. Thus, the optimum condition of TiO2/sonolysis treatment was obtained using 0.4 g/L of TiO2 with 60% amplitude for 1:1000 dilution at 5 minutes of contact time. Thus, this study has shown that TiO2/sonolysis can be used as a possible tool to reduce COD in POME

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