Magnesol = Failed Shake test

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Old 05-01-2011, 11:27 AM
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Magnesol = Failed Shake test

Not sure what im doing wrong here. I have 35 gal of sorta unmethed bio. I let the meth boil off for about 2 hrs. im not to sure how to tell if i get all the methanol off

But right now i have a drill connected to a concrete stirrer for buckets. its in my cone 55gal processor. i turn the drill on and add 1lbs of magnesol at a time, for me i did 6 lbs of magnesol. figured it was unmethed becuase i didnt know how much meth i actually removed.

every time i do a shake test when im done and it fails. cloudy water, milky bio. what am i doing wronge? it passes the 3/27 test perfectly. this seems to be the only thing holding me up.
 
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Old 05-02-2011, 10:55 AM
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bump...23 views and nothin?
 
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Old 05-04-2011, 07:15 PM
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I am going to venture to say that your wvo is wet, and you made a lot of soap. What was the moisture ppm of your wvo? That sure seems like a lot of Magnesol for a 35 gallon batch.
 
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Old 05-04-2011, 11:18 PM
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No it has no water in it. It's direct from the deepfryer and pre washed with glycerin. It passed the splattered text.
 
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Old 05-05-2011, 12:01 AM
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Oil in a deep fryer at 360F can hold dissolved water contrary to popular belief that it 'boils out' at anything over 212F. Describe your 'splattered test'.
 
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Old 05-05-2011, 10:51 AM
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I smear a line of oil across a pan and heat it up till it starts to smoke. then i pour about .5 inch of oil in the pan. if there is no bubbles then im good to go. if there are bubbles then i know i have water in the oil.
 
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Old 05-05-2011, 11:12 AM
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If you are doing a glycerol prewash on your wvo, as you mentioned earlier, then you will have a whole lot of bubbles, so the hot pan test does not work to test for water because you can not differentiate water vs. methanol bubbles in the oil.
 
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Old 05-05-2011, 11:20 AM
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Phil, from what I have gathered thus far, while I believe you have all the steps right, there are a few things within each of those steps that need fine tuning in your process. Magnesol, as great as it seems to be, is not going to be a fix-all. The reaction and conversion need to be right before it can do its thing.

Here's a link which might help you with your feedstock: Drying WVO
 
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Old 05-05-2011, 11:36 AM
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Alvin i do the glycerin pre wash after i do the water test. i mainly do the glyerin wash to lower the gel point.
 
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