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Review on Bioethanol Production from Fruit Peels
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NETL
NSTL
Springer Nature
Abstract The limited resources of fossil fuels and the increasing human demand for the use of fossil fuels have led to thinking about alternative solutions. One of the growing policies is the production of biofuels from various sources, so that extensive studies have been conducted so far in the field of biofuel production from fruit waste, especially fruit peels. The present review paper examines the research conducted in the field of bioethanol production from fruit peels. The bioethanol production process includes the following steps: pretreatment, hydrolysis and fermentation. This process is studied in various categories of fruits including tropical fruits, citrus fruits, berries, etc. The results of these studies show that the use of banana peels during the process leads to the production of 26.84 g/L of bioethanol. Also, combining fruit peels together has provided different results under different conditions, such that the combination of orange peel and rice husk waste has led to the achievement of 22.77 g/liter of bioethanol. The citrus peel mixture including orange peel, mandarin peel, grape peel, lemon peel, and lime peel achieved a yield of 90.2% and 2.27 g/liter/hour of product during the LRC-ECR process. Also, in order to improve the process and the efficiency of various yeasts in the fermentation process and acids and enzymes in acid and enzymatic hydrolysis, it was investigated. The results obtained show that the best choice for optimization is yeast Saccharomyces cerevisiae. Also, the maximum reducing sugar during the enzymatic hydrolysis process of mosambi peel was 386 mg/gram. Studies and investigations conducted show that the production of bioethanol from fruit peel is a promising solution for producing clean fuel and reducing carbon dioxide, as well as an alternative to fossil fuels.
NETL
NSTL
Springer Nature
