Journal of Electrical Engineering : Volume 17 / 2017 - Edition : 3

PERFORMANCE OF ACTIVATED BENTONITE AND CARBON IN RECLAIMING THE PROPERTIES OF USED MINERAL OIL

Authors:
S.Senthilkumar
M. Willjuice Iruthayarajan
M. Bakrutheen
Domain:
electrical technologies, electromagnetic compatibility & industrial electrostatics
Abstract:
In transformer, petroleum based mineral oil is used as insulation and coolant over many years. This work focuses on study the influence of activated bentonite and carbon absorbents in reclaiming the properties of used mineral oil. Reclaiming treatment is conducted with 500ml of used mineral oil and with individual combinations of 1g, 2g, 5g and 10g and blended combinations of two absorbents. The properties of oil samples such as breakdown voltage, flash point, fire point, viscosity, interfacial tension, water content and acidity are measured before and after reclamation treatment based on the international standards. From the investigation, it is understandable that the individual and blended combinations of activated absorbents have improved the properties of used mineral oil after treatment.
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