STUDY ON PHYSICAL AND CHEMICAL PROPERTIES OF ETHYL LEVULINATE COMPOUND FUEL

Miao Changlin; Wu Peng; Zhuang Xinshu; Tan Xuesong; Li Huiwen

doi:10.19912/j.0254-0096.tynxb.2023-1392

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (1) : 208-214. DOI: 10.19912/j.0254-0096.tynxb.2023-1392

STUDY ON PHYSICAL AND CHEMICAL PROPERTIES OF ETHYL LEVULINATE COMPOUND FUEL

Miao Changlin¹, Wu Peng^1,2, Zhuang Xinshu¹, Tan Xuesong¹, Li Huiwen¹

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Abstract

As a substitute fuel for diesel engine, levulinic acid ester has important practical significance for relieving energy and resource pressure, reducing ecological environment pollution and developing economy. In this paper, the physicochemical properties of the mixed fuels of levulinic acid ester and petrochemicals with different ratios were determined. The results show that the miscibility of ethyl levulinate and 0# diesel oil is poor at low temperature,and the maximum miscibility ratio is 7% at 0 ℃; With the increase of temperature, the solubility increases, and the maximum miscibility ratio is 15% at 35 ℃; Sealed storage for 6 months without layering, stable in nature. As the proportion of ethyl levulinate in the blended fuel increases, the cetane number of the blended fuel gradually decreases; The effect on distillation range is not significant, and the increase in density is not significant; The flash point is higher than that of diesel, which is conducive to the safe storage of fuel; There is a slight decrease in calorific value; Significant improvement in low-temperature flowability of kinematic viscosity, solidification point, and cold filtration point; Overall, ethyl levulinate blended fuel with a blending ratio of less than or equal to 7% basically meets the national VI diesel GB 19147—2016 standard; If it is necessary to increase the blending ratio of ethyl levulinate, it is necessary to improve indicators such as calorific value and cetane number to meet the requirements of the sixth national diesel standard.

Key words

biomass energy / ethyl levulinate / diesel / compound fuel / physical and chemical properties

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Miao Changlin, Wu Peng, Zhuang Xinshu, Tan Xuesong, Li Huiwen. STUDY ON PHYSICAL AND CHEMICAL PROPERTIES OF ETHYL LEVULINATE COMPOUND FUEL[J]. Acta Energiae Solaris Sinica. 2025, 46(1): 208-214 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1392

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