Batch ethanol fermentation using glucose desired from tapioca flour starch by Saccharomyces cerevisiea : effect of inoculum age and agitation speed /
Batch ethanol fermentation using glucose desired from tapioca flour starch by Saccharomyces cerevisiea effect of inoculum age and agitation speed [electronic resource] :
Mohd Sukairi Mas Hassan
- Kuantan, Pahang : UMP, 2008
- 52 p. : ill. (some col.) ; 30 cm. + 1 computer disc
Project paper (Bachelor of Chemical Engineering) --- Universiti Malaysia Pahang - 2008
The bioethanol can be produced from cellulose and hemicelluloses that originate from various sources of biomass. Besides that, bioethanol can also be produce from starch. This study was focused on the production of ethanol from glucose derive from starch of tapioca flour that containing the starch using Saccharomyces cerevisiea as. The objectives of this study are to determine the yield of ethanol from aerobic fermentation at different agitation speed and inoculum ages. Inoculum age is very important in obtaining maximum ethanol production. Enzymatic process is employed to convert the starch in tapioca flour to glucose. In the nut shell, the result showed that the best inoculum age used in ethanol fermentation was 18 hours with 6.45 Vol% of the concentration of ethanol is increased as the agitation speed increased achieved 200 rpm. The cell will contact properly with the fermentation medium at this speed to convert the reducing sugar or glucose to bioethanol.-Author