![Ethanol Production from Date Syrup: Continuous Ethanol Fermentation Using Flocculent Yeast - Zinah Al-azzawi - Böcker - LAP LAMBERT Academic Publishing - 9783838360270 - 26 maj 2010](https://imusic.b-cdn.net/images/item/original/270/9783838360270.jpg?zinah-al-azzawi-2010-ethanol-production-from-date-syrup-continuous-ethanol-fermentation-using-flocculent-yeast-pocketbok&class=scaled&v=1408623852)
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Ethanol Production from Date Syrup: Continuous Ethanol Fermentation Using Flocculent Yeast
Zinah Al-azzawi
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Ethanol Production from Date Syrup: Continuous Ethanol Fermentation Using Flocculent Yeast
Zinah Al-azzawi
The present investigation deals with continuous ethanol production from date syrup by using a flocculent yeast. The main portion of the system consisted of a jacketed cylindrical Pyrex glass bioreactor where the date syrup was pumped from its base and the product was received from the top. Box-Wilson composite rotatable design was constructed to obtain the proper conditions of ethanol fermentation [temperature, date syrup concentration and feeding flow rate]. It is possible to obtain from this technique a polynomial equation which describes how these variables affect ethanol production. The optimum conditions are: Temperature: 29.5º C, Date syrup concentration: 64.47 mg/cm3, Feeding flow rate: 200 cm3/hr. The study shows that flocculent yeast is more efficient in continuous ethanol production process when it is compared with non-flocculent yeast. Flocculent yeast cells are able to aggregate and make flocs so that, the cells will remain in the column. Date syrup was used in this research as a sugar substrate because it was the available sugar source in Iraq and usually used in ethanol production. Maximum conversion of date syrup to ethanol is 92.99%.
Media | Böcker Pocketbok (Bok med mjukt omslag och limmad rygg) |
Releasedatum | 26 maj 2010 |
ISBN13 | 9783838360270 |
Utgivare | LAP LAMBERT Academic Publishing |
Antal sidor | 88 |
Mått | 225 × 5 × 150 mm · 140 g |
Språk | Engelska |
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