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Process for production of bioethanol using Saccharomyces cerevisiae supported on calcium alginate beads coated with chitosan using citric acid

Leonardo Akira Kamimura Oura 1 ; Paulo José Samenho Moran 2 ; Taciani Bella de Jesus ; Lucidio Cristovão Fardelone ; José Augusto Rosário Rodrigues ; José Roberto Nunhez ; Gustavo Paim Valença
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The production of bioethanol using immobilized cells of Saccharomyces cerevisiae in calcium alginate beads coated with chitosan furnished excellent yields in bioethanol production, 80.5-95.7%, and the use of citric acid and addional calcium chloride in medium promot more stability of beads.