{"title":"Industrial ethanol from banana peels for developing countries: Response surface methodology","authors":"Alula Gebregergs , Mebrahtom Gebresemati , Omprakash Sahu","doi":"10.1016/j.psra.2016.06.002","DOIUrl":null,"url":null,"abstract":"<div><p>Energy plays a vital role in the development of any nation. However, that development increases pollution levels. Recycling and utilization have become major concerns of developing nations. The goal of this research is to utilize banana peels for the production of bioethanol by using the yeast <em>Saccharomyces cerevisiae</em>. The effects of hydrolysis factors were investigated, and the optimized combination of factors with response surface designs was found. The results show that 45.088% of ethanol was obtained at 1.50% v/v acid concentration, 91.02 °C temperature and 21.66 min retention time. Analysis of variance (ANOVA) correlation coefficients Pred R<sup>2</sup> = 0.8650 and Adj R<sup>2</sup> = 0.9782 indicates an excellent evaluation of the experimental data by a second-order polynomial regression model.</p></div>","PeriodicalId":100999,"journal":{"name":"Pacific Science Review A: Natural Science and Engineering","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2016-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/j.psra.2016.06.002","citationCount":"39","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Pacific Science Review A: Natural Science and Engineering","FirstCategoryId":"1085","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S2405882316300060","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 39
Abstract
Energy plays a vital role in the development of any nation. However, that development increases pollution levels. Recycling and utilization have become major concerns of developing nations. The goal of this research is to utilize banana peels for the production of bioethanol by using the yeast Saccharomyces cerevisiae. The effects of hydrolysis factors were investigated, and the optimized combination of factors with response surface designs was found. The results show that 45.088% of ethanol was obtained at 1.50% v/v acid concentration, 91.02 °C temperature and 21.66 min retention time. Analysis of variance (ANOVA) correlation coefficients Pred R2 = 0.8650 and Adj R2 = 0.9782 indicates an excellent evaluation of the experimental data by a second-order polynomial regression model.
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