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Old 11-19-2008, 04:24 PM
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heating wvo

hey guys this is my first winter processing wvo. unlike the summer, i am having to heat the oil up in order to filter it.
i use micron bag filters.
Question: When heating oil, is the bag filter (5 micron) able to filter the same as if the oil were 80 or 90 degrees (summer temp.).
is there a certain temp. that should be mantained when filtering wvo?
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Old 11-19-2008, 06:34 PM
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The micron bags are usually made of polyester and usually have a working temp to 130F, so if you heat the oil up to that it will flow better than it does in the summer, but dont go over 130-140 becuase the fibers will stretch and not filter to the micron the bag is rated for.
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Old 11-19-2008, 08:13 PM
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thanks afblue, you answered the question
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Old 11-25-2008, 09:32 PM
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What I've been doing is heating and settling the oil, then draining off the bottom 3-4 gallons. Then re-heating for enough time to get the oil up to around 100 degrees. THEN running it through the bag filter. Just another option....

--Snake
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Old 11-26-2008, 06:23 AM
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100 degrees is plenty of heat to get it to flow through my 5 micron filter at a pretty fast rate.
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Old 11-28-2008, 03:18 PM
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You are heating it up before putting it in a settling tank, or directly into the processor? We are having lots of fun filtering the oil into the settling tank. think that unless we do something different, will only be able to go as small as a window screen, 200 micro filter plugs up after only about 5 gallons...

Last edited by Rushmore X; 11-30-2008 at 09:52 AM. Reason: grammer
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Old 11-28-2008, 03:25 PM
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I, too, have been going through the 200 micron screens at the rapid rate -- IF I don't settle the oil for a considerable time before pumping it from the 250 gallon tote through the screen.

--Snake
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Old 11-29-2008, 08:11 PM
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Quote:
Originally Posted by Snake View Post
I, too, have been going through the 200 micron screens at the rapid rate -- IF I don't settle the oil for a considerable time before pumping it from the 250 gallon tote through the screen.

--Snake
Is it due to the colder temps, and would heating it up make a difference?
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Old 11-29-2008, 10:42 PM
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Quote:
Originally Posted by Rushmore X View Post
Is it due to the colder temps, and would heating it up make a difference?
absolutely! I got me a bucket heater, pour a cubie into a 5 gallon bucket, heat it with the heater for 10-15 minutes and its warm enough to flow though any strainer fast.
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Old 11-30-2008, 04:09 PM
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I think mine is a combination of the cooler weather as well as oil that's higher in animal fats than I normally collect. I'm in Tampa, so the coldest weather we've had is in the 40's overnight, and my oil is in my garage. I've noticed that after bringing home a 275 gallon tote it takes longer for everything to settle to the bottom. If I don't let it settle, my 200 micron strainer clogs after a very short period of time. But the oil I get from a Chinese restaurant still pours straight through. So I think in my case its a combination of lower temps and animal fat.

--Snake
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