Abstract
The heat values of waste mineral oils are equal to the heat value of the fuel oil. However, heat value alone is not sufficient for the use of waste minerals oils as fuel. However, the critical physical properties of fuels such as density and viscosity need to be adapted to the system in order to be used. In this study, the engine oils used in the first 10,000 km of the vehicles were used as waste mineral oil. An organic-based Mn additive was synthesized to improve the properties of the waste mineral oil. It was observed that mixing the Mn additive with the waste mineral oil at different doses (4, 8, 12, and 16 ppm) improves the viscosity of the waste oil and the flash point. The resulting fuel was evaluated for emission using different loads in a 5 kW capacity generator to compare the fuel with standard diesel fuel and to determine the effect of Mn addition. In the experimental study, it was observed that the emission characteristics of the fuel obtained from waste mineral oil were worse than diesel fuel, but some improvement was observed with Mn addition. As a result, we found that the use of waste mineral oils in engines in fuel standards was not appropriate, but may be improved with additives.
Highlights
Development of alternative fuels instead of rapidly consuming fossil-based fuels, especially for internal combustion engines, is an important and critical issue for humanity, both for economic and environmental reasons [1]
It was observed that the emission characteristics of the fuel obtained from waste mineral oil were worse than diesel fuel, but some improvement was observed with Mn addition
We found that the use of waste mineral oils in engines in fuel standards was not appropriate, but may be improved with additives
Summary
Development of alternative fuels instead of rapidly consuming fossil-based fuels, especially for internal combustion engines, is an important and critical issue for humanity, both for economic and environmental reasons [1]. It is possible to find many studies on the use of vegetable or animal waste oils instead of diesel fuel by esterification. These fuels, which are called biodiesel fuels, are very important for the use of weft oil as an alternative fuel [2,3]. The disposal of used or waste vegetable oils is an environmental and legal necessity, and the use of these wastes as fuel seems to be an important energy potential [4,5]. The disposal of waste mineral oils is an important question, just like the disposal of vegetable oils [11] The use of oil produced from waste tire as fuel, and the production of synthetic diesel fuel from renewable sources are at least as popular research topics as biodiesel [6,7,8,9,10].
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