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Production of bio-ethanol from pretreated agricultural byproduct using enzymatic hydrolysis and simultaneous saccharification

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Abstract

Global warming alerts and threats are on the rise due to the utilization of fossil fuels. Alternative fuel sources like bio-ethanol and biodiesel are being produced to combat against these threats. Bio-ethanol can be produced from a range of substrate. The present study is aimed at the Production of bioethanol from pretreated agricultural substrate using enzymatic hydrolysis and simultaneous saccharification with the addition of purified fungal enzyme. Most cellulosic biomass is not fermentable without appropriate pretreatment methods and so dilute sulfuric acid pretreatment was applied to make the cellulose contained in the waste susceptible to endoglucanase enzyme. A range of acid pretreatment of wheat bran was made in which the sample that was pretreated with 1% dilute sulfuric acid gave maximum yield of ethanol in both methods such as 5.83 g L−1 and 5.27 g L−1, respectively. Ethanol produced from renewable and cheap agricultural products (wheat bran) provides reduction in green house gas emission, carbon monoxide, sulfur, and helps to eliminate smog from the environment.

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Authors and Affiliations

  1. Department of Biochemistry, Karpagam University, Coimbatore, 641 021, India

    D. Gomathi, C. Muthulakshmi, D. Guru Kumar, G. Ravikumar, M. Kalaiselvi & C. Uma

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  1. D. Gomathi
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  2. C. Muthulakshmi
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  3. D. Guru Kumar
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  4. G. Ravikumar
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  5. M. Kalaiselvi
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  6. C. Uma
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Correspondence to C. Uma.

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Gomathi, D., Muthulakshmi, C., Guru Kumar, D. et al. Production of bio-ethanol from pretreated agricultural byproduct using enzymatic hydrolysis and simultaneous saccharification. Microbiology 81, 201–207 (2012). https://doi.org/10.1134/S0026261712010079

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