Help.... Bio Gelling
#16
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Your numbers are quite different than we came up with in the lab years ago.
Canola BD starts to gel at approximately −10 °C (14 °F). Biodiesel produced from tallow (lard) tends to gel at around +16 °C (61 °F)
B20 blend with 20% more antigel additive than recommended had the same gelling point as straight #2 with the recommended dosage.
Further lab tests confirmed that the simple formula of adding the extra percentage amount of anti gel as the percentage BD to #2 held true until B75 then all bets were off.
This was all done with ASTM grade bio.
Canola BD starts to gel at approximately −10 °C (14 °F). Biodiesel produced from tallow (lard) tends to gel at around +16 °C (61 °F)
B20 blend with 20% more antigel additive than recommended had the same gelling point as straight #2 with the recommended dosage.
Further lab tests confirmed that the simple formula of adding the extra percentage amount of anti gel as the percentage BD to #2 held true until B75 then all bets were off.
This was all done with ASTM grade bio.
#17
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Join Date: Oct 2007
Location: Yacolt Wash " Vanc area"
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the temperature that biodiesel gels depends on what its made from
canola oil provide the lowest around 20F. but be lower but I'm not sure
palm oil is one of the highest and well over 80F
peanut oil gels around 50F
if the biodiesel was made from lard it could be well over 100F.
-dkenny
canola oil provide the lowest around 20F. but be lower but I'm not sure
palm oil is one of the highest and well over 80F
peanut oil gels around 50F
if the biodiesel was made from lard it could be well over 100F.
-dkenny
#18
You got bad fuel, that stuff on your filter was soap. They did not wash the fuel well enough. Either that or the bio did not get full conversion in the reaction process but my bet is soap.
#19
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My bio is starting to gel here at 38F. We had a cold snap and it got cold sooner than I expected. I diluted it as much as possible with diesel and put in some power service. I also have a veggie conversion and I replumbed the coolant lines so they wrap around the filter for now.
#20
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I have a couple of comments.
1. I make biodiesel from 100% soybean oil and it starts to cloud at 40-43F and gel in the high 30s. Peanut oil is supposed to be a bit more sensative to cold temps (so the cloud & gel points start at a higher temp). Unsure about canola.
2. I have a buddy that has been making biodiesel for over a year (I have only 6 months under my belt) and runs it at 100% (B100) year round. He tested 6-7 antigel additives using the mason jar test (B100 mixed with the recommended amount/percentage of antigel) in outside & freezer temps. The only one that was a clear leader was a product called B100 made by Technol. He said it got cloudy, but never gelled...I beleive he tested down to 5-10F.
http://www.technol.com/productB100.htm
1. I make biodiesel from 100% soybean oil and it starts to cloud at 40-43F and gel in the high 30s. Peanut oil is supposed to be a bit more sensative to cold temps (so the cloud & gel points start at a higher temp). Unsure about canola.
2. I have a buddy that has been making biodiesel for over a year (I have only 6 months under my belt) and runs it at 100% (B100) year round. He tested 6-7 antigel additives using the mason jar test (B100 mixed with the recommended amount/percentage of antigel) in outside & freezer temps. The only one that was a clear leader was a product called B100 made by Technol. He said it got cloudy, but never gelled...I beleive he tested down to 5-10F.
http://www.technol.com/productB100.htm
#22
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Join Date: Aug 2007
Location: florida
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Everyone here is correct, its bad fuel someone didnt do there homework on making it. You are seeing a gell it is Glycerine it will form at any temp. if it is dark colored it may have algee growing in it. They also may not have remove enough methonal...so it really cleaned out the scum diesel leaves everywere. I have been making bio in my shed for years now. My 90 dodge runs on WVO, waste engine oil, trans fluid, kerosene, JP8(jet fuel waste from local airport this stuff runs a little hotter but cetane is about 49)
#23
Had The Same Issue In N Dakota But We Were @-14* How Ever We Did Find White Crisco Like Residue In The Bottom Of The Filter Housing.we Treated 150gals With A Bottle Of Power Service For 100gals. A Service Manager At A Ford Dealership In Fargo Says They See This With Bio All The Time. When We Purchased Our Fuel In Oklahoma It Wasnt Advertised As Bio.
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