Descriptive Statistical Analysis of Vegetable Oil Combustion in a Commercial Burner to Establish Optimal Operating Conditions

Abstract

This article studies the combustion of refined sunflower, virgin sunflower and virgin rapeseed oils in a low-pressure auxiliary air fluid pulverization burner in order to establish the optimal operating conditions. The influence of varying the type of vegetable oil, fuel flow rate and secondary airflow rate in the combustion process was analyzed. These three factors are independent in the combustion process, which means having to carry out numerous assays, combining the various factors with one another. Given the amount of variables to be optimized and the existence of three factors, a statistical approach is adopted to help interpret the results obtained and to evaluate how each factor influences the combustion results. Optimal combustion is determined based on three criteria, minimum pollutant emissions (CO, NOx and CxHy), maximum combustion performance, and minimum excess air. The result of this study showed that airflow was the principal factor affecting emissions, whereas for combustion performance, both factors (airflow and fuel flow) were determinant. In general, admissible combustion performances were obtained, with CO and NOx emissions below permitted levels. The best combustion performance was achieved under conditions of maximum fuel flow and minimum airflow rates.

Waste to Energy Potential of Domestic Waste Cooking Oil in Guayaquil: A review.

“…A different approach is reusing the WCO as an energy source for direct burning in boilers, heaters, combustion engines, incinerators or cooking stove, due to its high calorific potential (around HHV of 41 MJ/kg [39] and LHV of 37 MJ/kg [40]). The utilization of this waste in burners represents an attractive alternative to the use of heating fuel oil in heat production for domestic heating, small industrial units, drying of various products, among others [41].…”