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Post by HankRocks on Aug 8, 2017 7:45:44 GMT -5
Anyone have a good method for recycling/filtering old Saw oil? Trying to filter through a paper grocery paper bag, it's very slow. A lot of thicker slurry/sludge. I emptied about 4 gallons out and it seems that it might take weeks to slow filter it all.
I would guess that the sediment will settle out over time in the bucket and I can skim the clear oil off the top as it does. Even this will probably take a good bit of time.
Henry
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Post by accidentalrockhound on Aug 8, 2017 9:39:32 GMT -5
I look up a lot of different home remedies for cleaning oil. My best conclusion bite the bullet and buy fresh oil. That's my opinion.
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Post by deb193redux on Aug 8, 2017 14:56:52 GMT -5
you do need to allow weeks.
I have an old ice chest with some grating a few inches off the bottom. I can put several square paper bags (triple bagged) of oil in at once. Some use two 5 gal buckets with holes in the inner bucket bottom.
Most throw the sludge away.
I am trying a sludge project this year. I have a barrel on the side of my house that I dump the sludge in and mix with hot water. I stir as best I can. The oil floats to the top. In December, when the water freezed, I will poor off the oil.
This 2nd step may not be worth it.
You can get a centrifugal oil cleaner for about $700 for one saw. Or it comes mounted on a rolling tank that can be moved from saw to saw. Costs $1200. A guy I know with 4 saws says it is his best investment. I have been too cheap to buy.
good luck
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Post by pauls on Aug 8, 2017 17:52:39 GMT -5
The grocery bag might be filtering it to much better than it needs to be to just go back in the saw.
I use a piece of cloth, old T shirt, sheet etc. the oil comes through that quite clean, It still takes a long time to go through though, buy more oil and while one lot is filtering use the other, as soon as one is done start the other, that way you avoid a huge buildup of rock snot in your saw.
My second step with the sludge is to scoop it out and use it as a firelighter.
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Deleted
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Post by Deleted on Aug 19, 2017 12:43:49 GMT -5
I made a rocket that uses a pillow case to filter oil.  Works awesome! 95% of the oil in an hour or two. The last 5% in a week. |
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Post by orrum on Aug 19, 2017 13:09:07 GMT -5
I use high quality blue jeans to filter my French fry oil from restaursnts. I have a diesel truck that runs off it. Zip the jeans up and roll the legs up a couple rounds snd wire them to where they can't unroll. Pour oil in but don't fill over the zipper bottom. I use wrangler or levi only. I have filtered several thousand gallons and ilused a bunch of jeans up. After the blue Jean filter I filter thru two commercial pharmacy grade tube filters that filter at 5 microns. Still using the original two sock filters and they are stained but not clogged.
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Post by Jugglerguy on Aug 19, 2017 16:11:02 GMT -5
I made a rocket that uses a pillow case to filter oil. Works awesome! 95% of the oil in an hour or two. The last 5% in a week. How often do you have to replace the pillow case? Do you have a method of cleaning the pillow case between uses? |
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Deleted
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Post by Deleted on Aug 19, 2017 16:29:11 GMT -5
I made a rocket that uses a pillow case to filter oil. Works awesome! 95% of the oil in an hour or two. The last 5% in a week. How often do you have to replace the pillow case? Do you have a method of cleaning the pillow case between uses? Only used it once. It was amazing. When it cools off in a few weeks I'll muck with it. my intent was to make a tub of dawn-water and hand wash it. Rinse with a hose and air dry. I recovered 4 gallons of the original 7. I let it get pretty muddy. |
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Post by Deleted on Aug 19, 2017 16:30:06 GMT -5
It's 200 count cotton. (Not Egyptian lol)
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Post by Pat on Aug 19, 2017 16:58:17 GMT -5
Friend uses nylon stockings.
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Post by HankRocks on Aug 19, 2017 17:26:00 GMT -5
I am using a paper grocery bag. In 10 days since I have posted have managed to recover 1 gallon of oil filtering about 1 1/2 gallon of oily sludge. It does seems that it not necessary to filter 100% of the particles as it's going back in saw, 90% to 95% should be good enough. Might rig up something with a pillow case as we have have some old ones in the donate bucket.
Thanks for all the replies.
Henry
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Fossilman
Cave Dweller 
Member since January 2009
Posts: 20,723 
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Post by Fossilman on Aug 20, 2017 9:02:24 GMT -5
I quit that whole routine long ago!!! I put fresh oil in my saw...Let the old oil set in the bucket in my shop,let the oil come to the surface,remove it into a gallon jug every so often...When its no more,I dig a hole and bury the rest...Only get a gallon of oil for return on my 14",so the draining,straining,isn't worth my troubles or time...
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