Process to extract liquid dielectric coolant from the rice bran oil
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United States of America Patent
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Jun 12, 2018
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app pub date -
Aug 12, 2016
filing date -
Aug 14, 2015
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Abstract
The present invention provides a process to extract liquid dielectric coolant from the rice bran oil, which is suitable for both power frequency and high frequency electrical applications. The process comprises the steps of, processing the refined, bleached and deodorized rice bran oil with an alkali to remove the fatty acids. After processing the rice bran seed oil, at step, the processed rice bran oil is blended with a sodium hydroxide (NaOH) solution. The blended rice bran oil forms a top layer and a bottom layer within short duration of time. At step, the top layer is extracted and is water washed and filtered. At step, the top layer rice bran oil is mixed with the tert butyl hydroxy quinone solution. Finally, at step, the mixture of filtered top layer and tert butyl hydroxy quinone solution is heated to extract the liquid dielectric coolant.
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