Abstract
In this study, degumming process was carried out for reducing to less than 10 ppm of phosphorus contents and primary properties of crude canola oil including 0.64 mgKOH/g of acid value, 0.09% of water contents, 0.13% of insoluble impurities, and 40 ppm of phosphorus contents. Efficiency of water degumming and enzymatic degumming was compared for the selection of suitable process obtaining feedstock of biodiesel. Degumming method was deter- mined for preparation of raw material of biodiesel, and reaction conditions were also established. The most effective conditions for water degumming were 2% distilled water (w/w oil), 30 o C of reaction temperature, 900 rpm of agitation speed, and 30 min of reaction time, respectively. In case of enzymatic degumming, optimal conditions were found to be 90 ppm of phospholipase A2 (w/w oil), 50 o C of reaction temperature at pH 5, respectively. When comparing water degumming with enzymatic degumming, efficiency of enzymatic degumming was better than water degumming. How- ever, water degumming method was much more suitable for the production of biodiesel feedstock considering reaction time and process feasibility.
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