<b>Biodiesel as fuel for boilers
Abstract
Frying oil is one of the major environmental problems in urban centers, causing blockage of sewer pipes and pollution of rivers. Producing biodiesel with frying oil is an alternative to reduce the environmental impacts generated in the undue discarding of the same. Because it has high calorific power, great availability, low emission of pollutants when burned, besides being renewable, which guarantees its uninterrupted supply. This study evaluated the use of diesel blends with biodiesel from frying oil, in proportions varied by 10% for each treatment, ranging from B0 with 0% to B100 with 100% biodiesel, at room temperature and after heating at an average temperature of 50.63°C. The blends were evaluated through measurements of density, viscosity, calorific power and fuel consumption, which were useful for determining the power supplied. Without preheating, there was a gradual increase in fuel consumption, when the percentage of biodiesel in blends increased. However, preheating resulted in a decrease in consumption. Thus, without preheating, there was a low decrease of the power supplied by biodiesel compared to diesel oil. With preheating, this reduction was significantly higher.
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