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Old 12-05-2007, 06:53 PM
AndysFords AndysFords is offline
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Bio Problems

Does anyone know what causes suspened glycerin in your homemade bio? I have been happily making for two years now, but seem to have a bad reaction. It seperated into three layers instead of two, one dark, one a little lighter, then normal looking bio on top. When I drained off these two layers, the bio won't filter, the filters keep plugging up, just instantly, without even a gallon going through. What causes this.
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Old 12-05-2007, 08:42 PM
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Sounds like you didn't get a complete reaction...

Was the WVO you used different than normal? Maybe there was a much higher FFA content to it.... more animal fats.

Why don't you titrate whats left and try another reaction?
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Old 12-05-2007, 09:28 PM
AndysFords AndysFords is offline
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Whats FFA, I don't use any animal fats, only completely liquid oils. What do you mean, like reacting the same stuff again? I don't have a pH tester or anything like that, I just do trial and error test batches.
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Old 12-05-2007, 10:58 PM
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FFA- Free Fatty Acids

there are simple ways you can titrate your oil that are very cheap. if your trying to save a big batch maybe you can look into titration techniques.
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Old 12-06-2007, 06:57 AM
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I would say thats what happened, especially since you don't properly titrate your oil. I would take Adambomb advice and get a titration kit....
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Old 12-06-2007, 09:42 AM
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Sounds like a soap layer, a good indicator of to much water present.
Soaps form when there are a lot of FFAs present which indicates an incomplete reaction.
Sometimes you can break the emulsion (soap) layer by heating.
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Old 12-06-2007, 10:12 PM
AndysFords AndysFords is offline
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I have fixed things like this before by heating, but I heated this a LOT and it just won't come out. I don't know what else to do. Where can I get a titration kit?
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Old 12-06-2007, 10:20 PM
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Here's just one place that sells various kits for bio production....

http://www.utahbiodieselsupply.com/biodieselkits.php

Just Google 'titration kits' for more choices
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Old 12-06-2007, 10:20 PM
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