Apr 08 2011

Electric WVO Heater

Gerhardt wanted to filter some more WVO for our cars….  The problem is the waste oil is cold and my propane powered heater just didnt seem to work well.  The best I could get out of was 0.5 g/m.

I decided to try an electric heater instead.  Since the oil is non-conductive there is no risk of shock.

A quick trip to Lowe’s resulted in a $15, 1500 watt 120v hot water heater.  An old extension cord was sacrificed and in 20 minutes I built a electric tank heater.

 This showes the starting temp of the tank. 

In 24 hours we went from 65 f to 137 f.   I was able to pump 4.5 h/m through the filter with ease!  What a great system.  I was able to filter 300 gal in about an hour or so.  A quick calculation showed that at the current utility rate, heating up the tank cost about $4 which means the it only cost me about 1.3 cents per gal of oil to run my car. 

All that time I wasted with making the copper propane  heater…..oya what a waste.  Maybe I can use it to make some moon shine.

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