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Research Article

Academia Journal of Scientific Research 8(12): 412-420, December 2020
DOI: 10.15413/ajsr.2020.0113
ISSN 2315-7712
2020 Academia Publishing

Abstract


Castor biodiesel improves lubricity of low sulphur petro-diesel fuels
 

 

Accepted 16th March, 2020

De-Xing Peng

Department of Vehicle Engineering, Army Academy, Taiwan, R.O.C.

Demand for fossil fuels has been continually increasing. The combustion of fossil fuels has a negative impact on air quality and human health and contributes to global warming. To reduce exhaust emissions from internal combustion engines, the sulfur content of fossil fuels should be lowered. The low sulfur content in petro-diesel reduces the lubrication properties of diesel fuels and thus causes wearing of the diesel engine fuel systems. In this study, biodiesel was added into petro-diesel and a ball-on-ring (BOR) wear tester was used to determine the optimal concentration of the blend. An optical microscope was employed to measure the average wear diameter of a steel ball, and the lubricating efficiencies of the fuels were estimated. The experimental results verified that lubricating the steel ball using either the pure petro-diesel or castor biodiesel yielded a wear diameter of 1.13 or 0.94 mm, respectively. The results revealed that low concentration biodiesel additives served as an effective lubricant. The biodiesel was composed of fatty acids with molecular layers thicker than those of the mineral type petro-diesel; hence, the wear observed on the metal lubricated using the biodiesel was reduced. Therefore, the proposed biodiesel can be employed to effectively enhance the lubricity of a fuel under the condition of boundary lubrication.

Key words: Biodiesel, diesel engine, lubrication, wear testing.
 

This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Cite this article as:

Peng DX (2020). Castor biodiesel improves lubricity of low sulphur petro-diesel fuels. Acad. J. Sci. Res. 8(12): 412-420.

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