publication . Thesis . 2010

Improvement of bioethanol yield by pervaporation

Nongauza, Sinethemba Aubrey;
Open Access English
  • Published: 01 Jan 2010
  • Publisher: North-West University
  • Country: South Africa
Abstract
Due to the depletion of petroleum reserves and environmental concerns, bioethanol has been identified as an alternative fuel to petrol. Bioethanol is a fuel of bio-origin derived from renewable biomass. Starch and sugar containing materials are the primary sources of carbon for bioethanol production. Starch is firstly hydrolysed into simple sugars which are later fermented to bioethanol using Saccharomyces cerevisiae (S. cerevisiae). The fermentation of sugars to bioethanol is however limited by inhibition of S. cerevisiae by the major product of the process, bioethanol. The challenge is thus in keeping the bioethanol concentration at levels which are not harmfu...
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Subjects
Medical Subject Headings: food and beverages
free text keywords: Hydrolysis, Fermentation, Bioethanol, Inhibition, Simultaneous fermentation and separation
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