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[9001684.] رقم البحث : 9001684 - |
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Comparison Between Batch, Fed-Batch, Semi-Continuous and Continuous Techniques for Bio-Ethanol Production from a Mixture of Egyptian Cane and Beet Molasses / vol. 9 / 2017 |
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قطاع الدراسات الزراعية / |
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Egyptian sٍugar journal / |
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اسماء فتحى محمود - مؤلف رئيسي |
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suger technology
Cane and Beet Molasses |
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This study aims to compare production of bio-ethanol using different fermentation methods in order to selecting the best suitable one fits industry. Fifteen % inoculum’s size of Saccharomyces cerevisiae yeast strain (EL Tayeeb) was used in fermentation of a mixture of both Egyptian cane and beet molasses at 33°C and initial pH 5.1. Also, molasses medium was fortified by 0.5 g/L urea and 0.25g/L magnesium sulphate. The obtained ethanol level according to this study was 65.52g/L by using continuous fermentation from 15% sugar concentration, comparing to 65.13g/L and 65,52g/L in case of using semi-continuous and fed-batch fermentation, respectively from 16% sugar concentration. On the other hand, in case of the batch fermentation which used on industry scale at Abo-Korkas distillation factory, only 61.62g/L of ethanol was recorded by using 15.2% sugar concentration |
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