Filtering used oil for re-use

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Sometimes I'll have a use for used oil but the drain pan I use sits outside most of the time and therefore the used oil ends up with bits of dirt in it. This makes it hard to use the used oil in spray equipment. I've thought of filtering it through paper towels stuffed into a funnel. Anyone done something like this? Any cheap easy methods?
 
What would you want to re-filter used oil and go through all that for when there is cheap oil out there like Super Tech, that is new oil with all the additive package still intact. If its engine you dont care enough about to even put new cheap oil in, why even filter it. Just dump it in.
 
Originally Posted By: Panzerman
What would you want to re-filter used oil and go through all that for when there is cheap oil out there like Super Tech, that is new oil with all the additive package still intact. If its engine you dont care enough about to even put new cheap oil in, why even filter it. Just dump it in.


In Canada oil is more expensive
 
Originally Posted By: WobblyElvis
Sometimes I'll have a use for used oil but the drain pan I use sits outside most of the time and therefore the used oil ends up with bits of dirt in it. This makes it hard to use the used oil in spray equipment. I've thought of filtering it through paper towels stuffed into a funnel. Anyone done something like this? Any cheap easy methods?

Put the drain pan in a trash bag.
 
Originally Posted By: HTSS_TR
Originally Posted By: WobblyElvis
Sometimes I'll have a use for used oil but the drain pan I use sits outside most of the time and therefore the used oil ends up with bits of dirt in it. This makes it hard to use the used oil in spray equipment. I've thought of filtering it through paper towels stuffed into a funnel. Anyone done something like this? Any cheap easy methods?

Put the drain pan in a trash bag.


Hose it down with brake cleaner? That cleaner is pretty harsh and might not be the right one for plastic; but it does evaporate off pretty quick. Maybe something else to hose off the drain pan.
 
I've wondered once or twice about using waste oil to fire in a furnace. I figured if I ever got to that point, I'd set something up with two tanks, one elevated above the other, with a filter between. Let gravity force oil through the filter. Probably need (want?) a water separator too.

I wonder if something similar would work, two tanks and a simple furnace filter setup. More complicated than what I think you are after, but with the ability to walk away. I guess it depends upon how much oil you go through.
 
Let it gravity feed through a roll of toilet paper. You'll end up with really clean oil. Just plug the center hole and put the roll in a large pvc section of pipe. Farmers here do that through 3 rolls in series. They then continue to use it as engine oil going from expensive machinery to less expensive, less stressed applications. They started doing this during WWII when petroleum stocks became scarce and expensive.
 
Do not dump it, take it somewhere that will recycle the oil. I have several auto parts stores within a few miles that will take used oil.
 
Shannow, thanks for the video but really.......

That was one of the longest, fact-empty vids ever.

To everybody: Only post good videos. That one was so stupid-so slow

A 13-and-a-half minute video to show how to pack toilet paper into a homemade funnel?

It was pathetic. The fellow didn't even show a drop of filtered oil to back up his claim. Kira
 
I also transfer my used oil from the drain pan into the just emptied oil container (or an old windshield washer fluid container) as soon as I drain it. It might get a few bits of dirt in it from working under the car but it's still pretty clean. Less chance to spill it too.
 
So filtering oil (with toilet paper or whatever) to the point that it looks clean is all you need to do to reuse it? Visual contaminants are all that are worrisome?

I mean I could filter my sewer water till it looked clean too.
 
Strangely enough that could possibly be done. I saw a story on TV where a municipality was taking human waste water and turning it into purified drinking water. Weird but possible.
 
Originally Posted By: bbhero
Strangely enough that could possibly be done. I saw a story on TV where a municipality was taking human waste water and turning it into purified drinking water. Weird but possible.


Likely involved more than a water bottle and a roll of TP tho.
 
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