Abstract
Resumen en: Biodiesel has been obtained from methanolysis of buriti oil. This biodiesel was added in fossil diesel in order to obtain diesel/biodiesel blends. Therma...
Highlights
Most of the energy consumed in the world comes from petroleum, coal and natural gas, mainly petroleum derived fuels
Thermogravimetric curves were obtained from approximately 10 mg of biofuel/diesel and blends samples on a thermogravimetric analyzer model TA2960 in a dynamic atmosphere using air flux, with heating from room temperature up to 600oC at a heating rate of 10oC min.-1 Kinetic thermal parameters were calculated from Coats–Redfern equation (MOURA; PRADO, 2009)
Biodiesel produced by methanolysis of Buriti oil was quantified by HPLC analysis (Figure 1) and Table 1 presented the amounts of free fatty acid, mono, di, and triglycerides, as well as their conversion to biodiesel
Summary
Most of the energy consumed in the world comes from petroleum, coal and natural gas, mainly petroleum derived fuels. The vegetable oils present some qualities which distinguish them as sustainable fuels, such as: high caloric power, absence of sulfur in chemical composition, its industrial production does not generate harmful substances, and mainly, the decrease of carbon dioxide gases by their consumption during photosynthesis of vegetable cultivation (PRASAD; SRIVASTAVA., 2000). These alternative fuels can be mixed with diesel, and in this way, it reduces the demand on diesel oil and minimize the gas emissions that contribute to global warming (CONCEIÇÃO et al, 2007). The present investigation reports thermal stability, thermal kinetic studies and heat of combustion of buriti oil, biodiesel obtained from buriti oil and diesel/biodiesel blends
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