چکیده:
Biodiesel is a sustainable fuel made from transesterification reaction of vegetable oils with short chain alcohols. Use of loofa-immobilized Rhizopusoryzae as a biocatalyst for transesterification reaction of canola oil and the effect of some parameters on biodiesel production were studied. The highest methyl ester yield of 85.3% at optimum conditions, containing 15wt% of water and methanol to oil molar ratio of 3:1, was achieved. The performance of the reaction in a packed bed reactor was able to produce biodiesel with a yield of 92%.
خلاصه ماشینی:
"Use of loofa-immobilized Rhizopusoryzae as a biocatalyst for transesterification reaction of canola oil and the effect of some parameters on biodiesel production were studied.
Introduction Biodiesel (fatty acid methyl ester) which is a clean burning diesel fuel derived from vegetable oils or animal fats by transesterification with short chain alcohols that is Keywords: Biodiesel,Whole-cell biocatalyst,Rhizopusoryzae, Loofa,Packed-bed reactor represented in Figure 1, has attracted considerable attention as a biodegradable, renewable and non-toxic fuel [10].
In this study, the effect of some important parameters in the methanolysis reaction of canola oil such as water content, methanol to oil molar ratio and catalyst amount on methyl ester production were investigated.
The results (Fig. 4) show that the yield of methanolysis reaction significantly decreased with increase of methanol to oil molar ratio.
Effect of methanol to oil molar ratio on biodiesel yield Effect of canola oil to biocatalyst proportion on methyl ester yield: The influence of canola oil quantity in the presence of constant level of biocatalyst on methanolysis reaction was investigated.
Effect of oil to catalyst ratio on biodiesel yield Methanolysis reaction in the PBR:A packed bed reactor system by the use of loofa-immobilized fungal cells of R.
The loofa-immobilized cells were used as catalyst in biodiesel production reaction from canola oil and some important reaction parameters such as water content, methanol to oil molar ratio and catalyst amount were investigated.
, 2007, Biodiesel-fuel production in a packed-bed reactor using lipase-producing Rhizopusoryzae cells immobilized within biomass support particles, Biochem."