Dielectric Properties of Castor-based Biodiesel Using Microwave
The tendency toward research on the production and application of renewable energy, such as biodiesel, to reduce greenhouse gases and emissions of fossil fuels, is one of the most important issues in the world policies which has been discussed. Dielectric properties (ε’, dielectric constant and ε", dielectric loss factor) of materials play a major role in the microwave design and process of biodiesel production. The purpose of this research is to investigate and evaluate the biodiesel's dielectric properties in a pilot-scale using microwave technology and the relationship between its various effective parameters. In this study, the effects of reaction time (1, 3 and 9 minutes), catalyst concentration (1, 1.5 and 2% of oil weight) and temperature changes (30, 45 and 60°C) were studied. The probe reflection system was used at a frequency of 2450 MHz to measure the dielectric properties. The results showed that, with increasing reaction time and decreasing temperature, the dielectric constant values increased, and by decreasing catalyst concentration, temperature and reaction time, the dielectric loss factor decreased.
Article Type:
Research/Original Article
Fuel and Combustion, Volume:12 Issue:1, 2019
1 - 12
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