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| To get the lost lubricity from sulfur removal by blending in biodiesel, you need 0.5% biodiesel solution. So 2% is more than adequate. Splash blending in a static tank is problematic because the density of biodiesel is quite different than the density of petroleum diesel. If you splash blend when the temperature is warm and then go bouncing down the road or across the field, there is no problem. The industrial solution is to preblend - mix 50 gallons of biodiesel with 100 or 500 gallons of petroleum diesel and then pump the mix into the tank - and then turn the big tanks' pump to recirculate. Your best solution comes from the chemical process industry which is to use little in-line static mixer - nothing more complicated than a series of baffles inside a short section of pipe. Use your fueling nozzle to create the primary flow and then pump the biodiesel in along with that. For this, the mixer can just be a piece of 1/4" rod with some short pegs welded on to it - and the whole thing slipped into a short section of pipe. The whole idea is to create turbulent flow. | |
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2% bio-diesel blend for older engines.?
