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Lars(wi) 
Orange Level Access
Joined: 14 Sep 2009
Location: Permian Basin
Points: 8028
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 Topic: Best way,,,,,,
Posted: 08 Sep 2022 at 11:38am |
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To separate coolant out of used oil?
Have a 8,000 gal storage for used oil, about 20 in on the bottom is red coolant, from oil changing, leaking oil coolers etc. Not all engine oil, some gear oil, hyd fluid, diesel etc. stuck a suction pipe down, and pumped out till black showed coming out nozzle, but has the consistency of water.
Gonna fill a couple totes of this mix, and see if it will separate out.
Are there any other tricks to this? The oil recyclers don’t want any coolant in the batch.
Thanks in advance.
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I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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plummerscarin
Orange Level Access
Joined: 22 Jun 2015
Location: ia
Points: 3902
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Posted: 08 Sep 2022 at 12:31pm |
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Drain valve/plug at the bottom of the tank. Open just enough for the water/coolant to come out first. Don’t know if all can separated if emulsified
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Lars(wi)
Orange Level Access
Joined: 14 Sep 2009
Location: Permian Basin
Points: 8028
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Posted: 08 Sep 2022 at 1:07pm |
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Unfortunately no drain plug on bottom of tank.
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I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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steve(ill)
Orange Level Access
Joined: 11 Sep 2009
Location: illinois
Points: 87584
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Posted: 08 Sep 2022 at 3:29pm |
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engine oil will separate from water / antifreeze if allowed to set... Many hydraulic oils are made to hold water in suspension.. they dont seperate... All you can do is slowly suck the good oil off the top or put a long tube and suck the mix off the bottom.... its not going to be pretty.
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Like them all, but love the "B"s.
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jaybmiller
Orange Level Access
Joined: 12 Sep 2009
Location: Greensville,Ont
Points: 24648
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Posted: 08 Sep 2022 at 3:39pm |
re: Unfortunately no drain plug on bottom of tank.
OK, I HAVE to ask WHO decided to NOT have a drain plug in an 8,000 GALLON tank ??
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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Lars(wi)
Orange Level Access
Joined: 14 Sep 2009
Location: Permian Basin
Points: 8028
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Posted: 08 Sep 2022 at 4:12pm |
 jaybmiller wrote:
re: Unfortunately no drain plug on bottom of tank.
OK, I HAVE to ask WHO decided to NOT have a drain plug in an 8,000 GALLON tank ??
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That, I have no clue. Tank is probably 30 yrs old. There is an outlet valve on one end, about 6-8 inches up from the bottom, but for a drain plug on the ‘belly’ of the tank there is not.
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I tried to follow the science, but it was not there. I then followed the money, and that’s where I found the science.
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