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Chemical and non-chemical pre-treatment techniques for bio ethanol production from biomass

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Abstract

The present work is focused on the yield of bioethanol using chemical and non-chemical pre-treatment techniques. Textile cotton waste is taken as the biomass for the present work. The acid and ultrasonication pre-treatment has been chosen as chemical and non-chemical method respectively. Experiments were carried out with acid and ultrasonication pre-treatment techniques by varying different parameters. The compositional analysis was done using the Soxhlet extraction method to find the cellulose, hemicellulose and lignin content. The functional group changes were confirmed by FT-IR analysis. The sugar yield is measured using Di Nitro Salicylic acid method. The increase in sugar yield is confirmed after pre-treatment and the samples were taken into fermentation process. The fermentation is done by using Saccharomyces cerevisiae. The yeast is initially inoculated in the YPD medium. The grown yeast is used in the fermentation process for the production of bioethanol. The presence of bioethanol is confirmed using GC analysis and yield of bioethanol produced using acid, ultrasonic pre-treatment and solvent treatment is compared. It is also noticed that acid, ultrasonicated and solvent pre-treatment biomass shows 0.58 g/l, 0.543 ml/g and 0.334 ml/g of bioethanol respectively.

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Acknowledgements

The authors are thankful to the Chemical Engineering Department for providing necessary infrastructure, resources and instrument facilities to accomplish this work.

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Authors and Affiliations

  1. Department of Chemical Engineering, A.C.Tech Campus, Anna University, Chennai, 600025, India

    S. Megala, B. Rekha & R. Saravanathamizhan

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  1. S. Megala
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  2. B. Rekha
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  3. R. Saravanathamizhan
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Correspondence to R. Saravanathamizhan.

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Megala, S., Rekha, B. & Saravanathamizhan, R. Chemical and non-chemical pre-treatment techniques for bio ethanol production from biomass. Int J Energ Water Res 4, 199–204 (2020). https://doi.org/10.1007/s42108-020-00064-7

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  • DOI: https://doi.org/10.1007/s42108-020-00064-7

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