Optimization of bioethanol production from papaya waste through fermentation using response surface methodology (RSM)

Optimization of bioethanol production from papaya waste through fermentation using response surface methodology (RSM)

TAN Ching Mun, OH Pei Ching

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Abstract. There is a growing pressure for the development of sustainable and environmental-friendly source of energy such as ethanol that could substitute the depleting fossil fuels. Papaya waste including papaya seed and papaya peel is one of the main fruit wastes in Southeast Asia which has great potential to be utilized as substrate for bioethanol production. In this study, papaya waste was fermented to produce bioethanol using Saccharomyces Cerevisiae. The effect of pH, temperature, and incubation time on bioethanol production was studied within the range of 3.0-6.0, 25-45°C and 24-96 h, respectively. These parameters were optimized using Response Surface Methodology (RSM) based Box-Behnken Design (BBD). It was found that a maximum ethanol concentration of 0.2224 g/ml was obtained from papaya waste at pH 4.5, 45°C and 24 hours. The significance of the parameters increased from incubation time, pH to temperature.

Biofuel, Ethanol, Optimization, Response Surface Methodology

Published online 5/20/2023, 9 pages
Copyright © 2023 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: TAN Ching Mun, OH Pei Ching, Optimization of bioethanol production from papaya waste through fermentation using response surface methodology (RSM), Materials Research Proceedings, Vol. 29, pp 72-80, 2023

DOI: https://doi.org/10.21741/9781644902516-10

The article was published as article 10 of the book Sustainable Processes and Clean Energy Transition

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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