Evaluation of the effect of temperature, NaOH concentration and time on solubilization of palm oil mill effluent (POME) using response surface methodology (RSM)

Bioresource Technology
K W ChouA Anees

Abstract

In this study, palm oil mill effluent (POME) was solubilized by batch thermo-alkaline pre-treatments. A three-factor central composite design (CCD) was applied to identify the optimum COD solubilization condition. The individual and interactive effects of three factors, temperature, NaOH concentration and reaction time, on solubilization of POME were evaluated by employing response surface methodology (RSM). The experimental results showed that temperature, NaOH concentration and reaction time all had an individual significant effect on the solubilization of POME. But these three factors were independent, or there was insignificant interaction on the response. The maximum COD solubilization of 82.63% was estimated under the optimum condition at 32.5 degrees C, 8.83g/L of NaOH and 41.23h reaction time. The confirmation experiment of the predicted optimum conditions verified that the RSM with the central composite design was useful for optimizing the solubilization of POME.

References

Oct 4, 2005·Journal of Bioscience and Bioengineering·Chulhwan ParkHoward A Chase
May 26, 2009·Journal of Hazardous Materials·Yunqin LinChunmin Wang

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Citations

Oct 23, 2012·Applied Biochemistry and Biotechnology·Rm MurugappanMr Alamelu
Jul 15, 2015·BioMed Research International·Jin WangXu-Dong Li
Jul 16, 2016·Journal of Environmental Management·Kyung-Won JungKyu-Hong Ahn
Aug 12, 2017·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Mijia ZhuChi Zhang

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