Bioethanol Production from Pineapple (Ananas Cosmosus) and Watermelon (Citrullus Lanatus) Peels

Authors : Agbor R.B and Ukpong N.C

Volume/Issue : Volume 4 - 2019, Issue 10 - October

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This research was on bioethanol production from pineapple peels and watermelon peels. Watermelon peels and pineapple peels were obtained from different fruit vendors, washed, oven-dried and trounce to powder. Aspergillus niger was obtained from contaminated soil sample while Penicillium was obtained from fresh palm wine and both samples were cultured using potato dextrose agar. Forty-two plates of 1000ml container were used, twenty-one plates containing pineapple peels powder and the other twenty-one plates containing watermelon peels powder and 300ml of water was added to make up 1:6 ratios in each plates. 2ml of Aspergillus niger and Penicillium were added respectively to make the mixture loose and the pH of each plates were adjusted to different levels 4.5, 5.5 and 6.5). Data were collected on density, volume yield of ethanol and ethanol concentration, this was subjected to a two-way analysis of variance (ANOVA). The result obtained showed that watermelon peels and pineapple peels are capable of producing ethanol, but pineapple peels produced highest percentage ethanol of (11.11±0.39 and 10.19±0.31).

Keywords : Bioethanol, Aspergillus Niger, Penicillium Niger, Pineapple Peels, Watermelon Peels, Biofuel, Ethanol.


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