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See discussions, stats, and author profiles for this publication at: Optimization of Bioethanol Production from Fruit Wastes using Isolated Microbial Strains Article · October 2014 CITATIONS 3 READS 415 4 authors , including: Some of the authors of this publication are also working on these related projects: Process optimization for the production of Enzymes using Artificial Neural Network (ANN) View project Ravi Kant Singh Amity University Raipur 31 PUBLICATIONS 177 CITATIONS SEE PROFILE All content following this page was uploaded by Ravi Kant Singh on 22 November 2014. The user has requested enhancement of the downloaded file.
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International Journal of Advanced Biotechnology and Research(IJBR) ISSN 0976-2612, Online ISSN 2278–599X, Vol5, Issue4, 2014, p598-604 Optimization of Bioethanol Production from Fruit Wastes using Isolated Microbial Strains Sandesh Babu 1 , K.M.Harinikumar 2 , Ravi Kant Singh *3 and Aditi Pandey 1 1.3 Department of Biotechnology, IMS Engineering College, Ghaziabad 2 Department of Plant Biotechnology, GKVK Campus, Bengaluru * Corresponding Author- [email protected], [email protected] [Received 17/08/2014, Accepted-07/10/2014] ABSTRACT Production of Ethanol fermented from renewable sources for fuel or fuel additives are known as bioethanol. Bioethanol as a fossil fuel additive to decrease environmental pollution and reduce the stress of the decline in crude oil availability is becoming increasingly popular. Its production mainly utilizes three types of raw materials- sugar juice, starchy crops, and lignocellulosic materials. This research work investigate ethanol production from fruit juices of four different fruits such as Vitis vinifera (grapes), Sugarcane (Saccharum officinarum), Citrus cimetta (Mosambi) and Citrullus canatus (Watermelon) using Saccharomyces cerevisiae for fermentation and optimizing several factors that influence the process for bioethanol production such as temperature, pH and sugar concentration. Keywords: Bioethanol production, Agricultural wastes, Process optimization, Fermentation process 1.0 INTRODUCTION Bioethanol is being widely investigated as a renewable fuel source because in many respects it is superior to gasoline fuel [1]. Ethanol provides energy that is renewable and less carbon intensive than oil. It is a biofuel produced from biomass via biochemical procedures. An efficient ethanol production requires four components: fermentable carbohydrates, an efficient yeast strain, a few nutrients and simple culture conditions. Approximately 80% of world supply of alcohol is produced by fermentation of sugar and starch containing crops or byproducts from industries based on such crops. Among the widely used substrates for ethanol production are the molasses of sugarcane and sugar beet. Several studies have shown that sugarcane-based ethanol reduces greenhouse gases by 86 to 90% [2, 3]. Sugar-based bioethanol production- such as sugarcane and sugar beet- is a simple process and requires one step less
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