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Bioethanol production from four abundant Indian agricultural wastes
Department of Plant Biotechnology, University of Agricultural Sciences, G.K.V.K Campus. Bengaluru, India.
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC). Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysiologisk botanik.
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC). Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysiologisk botanik.
Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC). Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysiologisk botanik.
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2017 (Engelska)Ingår i: Biofuels, ISSN 1759-7269, E-ISSN 1759-7277Artikel i tidskrift (Refereegranskat) Epub ahead of print
Abstract [en]

Lignocellulose feedstocks are promising second-generation sources of ethanol biofuel. They include massive amounts of agricultural waste generated in India, much of which is currently burnt (exacerbating major pollution problems), but could potentially be fermented. To assist efforts to realize this potential, four abundant kinds of Indian agricultural residues (sugarcane bagasse and straw from rice, sweet sorghum and millet) were hydrolyzed via a dilute-acid method and fermented at 27 °C, using the white-rot fungus Trametes versicolor as a biocatalyst. The total carbohydrate contents of the agriculture wastes were analyzed, as well as soluble sugar contents of the hydrolysates at the start and end of the fermentations; their ethanol yields and activities of the key enzymes aldehyde dehydrogenase and pyruvate decarboxylase were also measured. Results show that ca. 85–90% of the fermentable sugars were used for ethanol production, and the enzyme activities are consistent with the observed yields. The findings indicate a great potential for ethanol production from Indian agricultural waste.

Ort, förlag, år, upplaga, sidor
Taylor & Francis, 2017.
Nyckelord [en]
Agricultural residues, biomass, dilute acid pre-treatment, enzymes, ethanol production, Trametes versicolor
Nationell ämneskategori
Biokatalys och enzymteknik
Forskningsämne
biologi; mikrobiologi
Identifikatorer
URN: urn:nbn:se:umu:diva-149246DOI: 10.1080/17597269.2017.1387744Scopus ID: 2-s2.0-85035081222OAI: oai:DiVA.org:umu-149246DiVA, id: diva2:1220247
Tillgänglig från: 2018-06-18 Skapad: 2018-06-18 Senast uppdaterad: 2019-04-05

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Kudahettige-Nilsson, Rasika LasanthiHolmgren, MarieSellstedt, Anita

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