Fuelling the future: the science behind fuel alcohol yeast fermentations

    Research output: Contribution to specialist publicationArticle

    Abstract

    Due to many political, economic and environmental issues, there is a pressing need to reduce the dependence on fossil fuels, particularly petrol and diesel transportation fuels. There is no doubt that biomass-derived fueld (biofuelds) can help to alleviated the increasing concerns over greenhouse gas emissions, ensure future fuel security and stimulate the rural economy. This paper focuses on the scientific and technological challenges that lie ahead, rather than the political and economical concerns. For cost-effective production of ethanol from lignocellulosic feedstocks, high-yield, high-rate fermentation of hydrolysates to ethanol is required. The exact sugar profile of hydrolysate will depend on the feedstock, but glucose and xylose will be predominant. However, there is also an incentive to convert the lesser fractions, such as arabinose, galacturonic acid and rhamnose to ethanol. This will provide a challenge to yeast fermentation.
    Original languageEnglish
    Pages23-27
    Number of pages5
    Volume3
    No.6
    Specialist publicationBrewer and Distiller International
    PublisherInstitute of Brewing and Distilling
    Publication statusPublished - 2007

    Fingerprint

    Alcohol fuels
    Fueling
    Yeast
    Fermentation
    Ethanol
    Feedstocks
    Xylose
    Gas emissions
    Fossil fuels
    Greenhouse gases
    Sugars
    Glucose
    Biomass
    Economics
    Acids
    Costs

    Cite this

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    abstract = "Due to many political, economic and environmental issues, there is a pressing need to reduce the dependence on fossil fuels, particularly petrol and diesel transportation fuels. There is no doubt that biomass-derived fueld (biofuelds) can help to alleviated the increasing concerns over greenhouse gas emissions, ensure future fuel security and stimulate the rural economy. This paper focuses on the scientific and technological challenges that lie ahead, rather than the political and economical concerns. For cost-effective production of ethanol from lignocellulosic feedstocks, high-yield, high-rate fermentation of hydrolysates to ethanol is required. The exact sugar profile of hydrolysate will depend on the feedstock, but glucose and xylose will be predominant. However, there is also an incentive to convert the lesser fractions, such as arabinose, galacturonic acid and rhamnose to ethanol. This will provide a challenge to yeast fermentation.",
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    Fuelling the future : the science behind fuel alcohol yeast fermentations. / Walker, Graeme M.; White, J.

    In: Brewer and Distiller International, Vol. 3, No. 6, 2007, p. 23-27.

    Research output: Contribution to specialist publicationArticle

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