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Bio-production of Ethanol in Packed Bioreactor | ||
| Iraqi Journal of Chemical and Petroleum Engineering | ||
| Article 1, Volume 10, Issue 4, 2009, Pages 45-48 | ||
| Authors | ||
| Mohammed Bahjet; Safa A. Al -Rassul; Alaa K. Mohammed | ||
| Abstract | ||
| A lab-scale packed Biofilm reactor was usedfor ethanol production by fermentation of sugar solution using a local isolatedy east saccharomycesc erevisia and glutaraldelrydeo n gelating as a covalent bounding agent.I n this studyf our rypes ofpacking in the reactor were used. They are; polypropylene mesh, glass rashig rings, ceramic rashig rings and glass beads. Glucose solutions were used as substrate withfour concentrations; (5, 10,15, 20 g/U. Results show that the ethanol productivity was increase with increasing sugar concentration. Also it was found that polypropylene mesh packing give the highest productivity while glass beads gives the lowest productivity. The experiments were conducted at three temperatures; 30, 35, 40'C. Highest value of productivity was obtained at 35"C. Finally results show that ethqnol productivity increased with increasing the feed ratio ofyeast / sugar. | ||
| Keywords | ||
| Bioreactor; ethanol; Packed bed; fermentation | ||
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