Hand-Held Refractometer-Based Measurement and Excess Permittivity Analysis Method for Detection of Diesel Oils Adulterated by Kerosene in Field Conditions

Sensors
Boniphace Kanyathare, Kai-Erik Peiponen

Abstract

Adulteration of fuels is a major problem, especially in developing and third world countries. One such case is the adulteration of diesel oil by kerosene. This problem contributes to air pollution, which leads to other far-reaching adverse effects, such as climate change. The objective of this study was to develop a relatively easy measurement method based on an inexpensive, handheld Abbe refractometer for the detection of adulteration and estimation of the ascending order of the amount of kerosene present in adulterated samples in field conditions. We achieved this by increasing the volume of pure diesel sample in the adulterated diesel oil, and measuring the trend of refractive index change, and next, exploiting the true and ideal permittivities of the binary mixture. The permittivity can be obtained with the aid of the measured refractive index of a liquid. Due to the molecular interactions, the true and ideal permittivities of diesel⁻kerosene binary liquid mixture have a mismatch which can be used to screen for adulterated diesel oils. The difference between the true and the ideal permittivity is the so-called excess permittivity. We first investigated a training set of diesel oils in laboratory in Finland, using the accura...Continue Reading

References

May 15, 2009·Physical Chemistry Chemical Physics : PCCP·João Carlos R ReisMichael I Davis
Feb 23, 2010·Optics Express·Robert MagnussonXin Wang
Mar 17, 2015·Talanta·Jukka Räty, Kai-Erik Peiponen
Sep 21, 2016·Applied Spectroscopy·Goran Baranović
May 2, 2018·Applied Optics·Boniphace Kanyathare, Kai-Erik Peiponen

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Citations

Feb 6, 2019·Environmental Science and Pollution Research International·Bruno Ivo PelizaroRodrigo Juliano Oliveira
Oct 26, 2018··Buratin KhampiratKai Peiponen

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