IJBTT

Purification and Characterization of Jatropha Biodiesel as a Fuel for Diesel Engines

	International Journal of Biotech Trends and Technology (IJBTT)
	© 2021 by IJBTT Journal
	Volume - 11 Issue - 2
	Year of Publication : 2021
	Authors : Nazir Nasir Yunusa, Abdussalam Mamoon
	DOI :  10.14445/22490183/IJBTT-V11I2P605

Citation

MLA Style:Nazir Nasir Yunusa, Abdussalam Mamoon  "Purification and Characterization of Jatropha Biodiesel as a Fuel for Diesel Engines" International Journal of Biotech Trends and Technology 11.2 (2021): 38-45.

APA Style:Nazir Nasir Yunusa, Abdussalam Mamoon 2021). Purification and Characterization of Jatropha Biodiesel as a Fuel for Diesel Engines. International Journal of Biotech Trends and Technology, 11(2), 38-45.

Abstract

Diesel engine is capable of running on “biodiesel” fuel, which can be produced from a variety of renewable sources, including Jatropha seed oil. Before it can be used as a substitute for diesel fuel, the biodiesel has to undergo a purification process. The focus of this research is to investigate the purification capability of bentonite (aluminum clay), in the purification of biodiesel and the assessment of the suitability of purified biodiesel for use in diesel engines. Biodiesel was produced through homogeneous base catalysis and then purified using 5%, 10% and 15% wt/wt bentonite to oil ratio. The unpurified biodiesel batches and the purified biodiesel samples ware characterized and the properties compared with those of ASTM D6751, EN14214 and that of petroleum diesel (Australian Standard AS 3570). Some of the quality parameters were significantly affected by the adsorption characteristics of bentonite. The purification reduced the viscosity of the fuel from 5.1 c.St to a minimum value of 2.7 c.St, the bentonite was able to completely absorb the water present in the oil from a value of 0.005 %wt to completely 0.000 %wt, the calorific value was raised from a minimum value of 43125 kJ/kg to a maximum value of 44122 kJ/kg, acid value was reduced from a maximum value of 1.2 mgKOH/g to a minimum value of 0.3 mgKOH/g. All these values fall within the acceptable range of values described by the standard biodiesel properties outlined in ASTM D6751 and EN 14214. Other values like cloud point, pour point, carbon residue, copper corrosion, cetane number, peroxide value and sulphated ash were not affected by the bentonite purification. But all with the exception of sulphated ash and flash point conform to the standard biodiesel properties described by the two standards. 5% wt/wt bentonite to biodiesel ratio was able to purify the biodiesel within the acceptable values outlined in ASTM D6751 and EN 14214.

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Keywords
Bentonite, Biodiesel, Diesel Engine, Jatropha Oil, Purification.