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Evaluation of the Emission of Carbon Dioxide in the Combustion of Biofuels and Comparison with Liquid Petroleum Products

Worldwide, biofuels are increasingly beginning to gain ground. The need to allow biofuels to enter our everyday motorized lives is dictated equally by environmental and economic considerations. The paper present a novel calculation model for carbon emissions in the combustion of biofuels and assess the rate of carbon dioxide emissions for a number of biofuels. We compare a series of several biofuels and liquid petroleum products as a function of the emission of carbon dioxide. INTRODUCTION Obtaining heat by conventional methods relies mainly on chemical energy conversion fuels into thermal energy by burning. The need to provide thermal energy when renewable energy is unavailable (no wind, the sky is cloudy) or when drought leads to the use of classic power plants, where both fossil fuels and biofuels can be used. In addition, the significant increase in oil prices has led to interest in the use of other energy sources, including biofuels. Bio-ethanol is obtained mainly from cereals and sugar cane, and is equivalent to gas. Biodiesel (ethyl stearate and methyl linoleate) is obtained predominantly from oil seeds such as rapeseed, maize, soybean and it is similar to diesel. If the chemical formula of a fuel is known, r n m O H C then the mass fractions can be determined by the relations [1]: