Ethanol production at elevated temperatures and alcohol concentrations: Part II - Use of Kluyveromyces marxianus IMB3

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Abstract

It is clear that only a small proportion of all micro-organisms have been isolated and identified. The simple technique of seeking a thermotolerant fermentative yeast from a suitable hot environment has yielded a number of strains. These organisms, identified as strains of Kluyveromyces marxianus var. marxianus, have been shown to have a wide range of metabolic capabilities that could be used in industrial applications. Not only have the metabolic capabilities been elucidated but possible bioreactor configurations and process application options have been investigated. It appears that there are a number of specific situations where this thermotolerant yeast could find industrial applications. A full-scale industrial ethanol production trial using this yeast was successfully carried out in India. K. marxianus IMB3's performance in terms of the ethanol concentrations achieved was comparable to that obtained using the distillery's own yeast strain with an added advantage of eliminating cooling.
Original languageEnglish
Pages (from-to)823-834
JournalWorld Journal of Microbiology and Biotechnology
Volume14
Issue number6
Publication statusPublished - Nov 1998

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