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Investigating the Potential of Grass Biomass ( Thysanolaena latifolia ) as an Alternative Feedstock for Sugar Platforms and Bioethanol Production

Author

Listed:
  • Suwanan Wongleang

    (Department of Biology, Faculty of Science, Naresuan University, Phitsanulok 65000, Thailand)

  • Duangporn Premjet

    (Department of Agricultural Science, Faculty of Agriculture, Natural Resources and Environment, Naresuan University, Phitsanulok 65000, Thailand)

  • Siripong Premjet

    (Department of Biology, Faculty of Science, Naresuan University, Phitsanulok 65000, Thailand)

Abstract

Bioethanol, a lignocellulosic biofuel, has increased energy sustainability and lessened the environmental effects associated with energy production. Thysanolaena latifolia is a common weed found in the northern part of Thailand that is considered non-food biomass, with a high biomass productivity of approximately 10.2 kg/year. Here, we evaluated the potential of T. latifolia biomass as an environmentally friendly material source for producing alternative bioethanol. To this end, we treated the feedstock under mild conditions using various concentrations of phosphoric acid to create ideal conditions for enzymatic hydrolysis. Pretreatment with 75% phosphoric acid yielded the highest solid recovery (55.8 ± 0.6%) and glucans (93.0 ± 0.3%). Additionally, the hydrolysis efficiency and glucose yield of treated biomass were significantly improved. As a result, the liquid hydrolysate from T. latifolia used for ethanol fermentation by Saccharomyces cerevisiae TISTR 5339 generated 8.9 ± 0.0 g/L ethanol. These findings demonstrate that glucose derived from liquid hydrolysate is a promising sustainable carbon source for producing ethanol from T. latifolia feedstock. Thus, using T. latifolia as a feedstock for generating ethanol can improve the efficiency of bioenergy production.

Suggested Citation

  • Suwanan Wongleang & Duangporn Premjet & Siripong Premjet, 2024. "Investigating the Potential of Grass Biomass ( Thysanolaena latifolia ) as an Alternative Feedstock for Sugar Platforms and Bioethanol Production," Energies, MDPI, vol. 17(16), pages 1-17, August.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:16:p:4017-:d:1455548
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    References listed on IDEAS

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    1. Duangporn Premjet & Suwanan Wongleang & Siripong Premjet, 2022. "Enhancing Glucose Recovery from Hibiscus cannabinus L. through Phosphoric Acid Pretreatment," Energies, MDPI, vol. 15(20), pages 1-15, October.
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