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#4642401 - 01/21/18 09:54 PM Oil Disosal Mineral versus Synthetic
gahorn Offline


Registered: 05/31/04
Posts: 2
Loc: Texas
When disposing of old oil we seem to dump it all together. When recyclers do their thing... how does that mix affect the end-product? Is it seperated out...or does it matter?

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#4642424 - 01/21/18 10:55 PM Re: Oil Disosal Mineral versus Synthetic [Re: gahorn]
zrxkawboy Offline


Registered: 11/30/04
Posts: 1761
Loc: SD
Registered in 2004 and just posted for the first time??

welcome
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#4642428 - 01/21/18 10:56 PM Re: Oil Disosal Mineral versus Synthetic [Re: gahorn]
zrxkawboy Offline


Registered: 11/30/04
Posts: 1761
Loc: SD
In response to your question, it doesn't matter...mix 'em together.
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#4642437 - 01/21/18 11:11 PM Re: Oil Disosal Mineral versus Synthetic [Re: gahorn]
gahorn Offline


Registered: 05/31/04
Posts: 2
Loc: Texas
Thanks for the response...but that wasn't my question. I realize I can dump 'em together when ridding myself of the stuff...
I"m wondering about recyclers who re-refine and re-sell their end product. How does the mix affect their operation...? or does recycled oil simply deserve to be relegated to the "never buy/use" category?

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#4642441 - 01/21/18 11:15 PM Re: Oil Disosal Mineral versus Synthetic [Re: gahorn]
zrxkawboy Offline


Registered: 11/30/04
Posts: 1761
Loc: SD
I would just be guessing, so I'll wait for someone with industry knowledge to answer your question.
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#4642442 - 01/21/18 11:15 PM Re: Oil Disosal Mineral versus Synthetic [Re: gahorn]
Nyogtha Offline


Registered: 10/13/14
Posts: 2323
Loc: San Antonio, TX
For the 90% or so that's used for fuel / blended into fuel oil, I can't see it making any significant difference.

For the 10% or so that's re-refined, it appears to work out OK.

You could ask Safety Kleen (Clean Harbors) directly for the re-refining impact.
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#4642457 - 01/21/18 11:54 PM Re: Oil Disosal Mineral versus Synthetic [Re: gahorn]
Ducked Offline


Registered: 10/25/12
Posts: 4340
Loc: Taiwan
oops. See below


Edited by Ducked (01/21/18 11:56 PM)

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#4642458 - 01/21/18 11:55 PM Re: Oil Disosal Mineral versus Synthetic [Re: gahorn]
Ducked Offline


Registered: 10/25/12
Posts: 4340
Loc: Taiwan
If synthetic meant anything, it'd mean they could call it a synthetic blend.

But it doesn't, so it doesn't matter.

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#4642471 - 01/22/18 01:01 AM Re: Oil Disosal Mineral versus Synthetic [Re: gahorn]
Snagglefoot Offline


Registered: 12/31/17
Posts: 1709
Loc: Alberta
According to Scientific American, 90 % of the 1.3 billion gallons of used motor oil collected in the USA every year is burned in industrial boilers etc. Only 10% is re-refined.

We used to have a very large recycling refinery in Calgary. All the products went to a central tank. Iíve been told the economics of it all is so low margin there is no way you can can bother separating the fluids. Now, Iíve never witnessed, this and someone correct me if iím wrong, biut I believe ithey donít even seperate engine oil from gear oil or transmission fluid.

Itís all mixed together, screened and then is heated. Not sure how they get the heavy metals out. It then goes through the distillation process and they re-introduce hydrogen into the molecules to produce a feedstock. Thiis was done at a refinery sized facility; no mom and pop operation.

I guess the short cut is the guys who burn it locally in furnaces for their shops. I imagine they have their own preference.

SD



Edited by Snagglefoot (01/22/18 01:13 AM)

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#4642480 - 01/22/18 01:33 AM Re: Oil Disosal Mineral versus Synthetic [Re: Snagglefoot]
Silk Offline


Registered: 07/26/03
Posts: 4556
Loc: New Zealand
Originally Posted By: Snagglefoot
Not sure how they get the heavy metals out.


Basically, the last thing left. Our re refinery used clay filters. The toxic waste left is one of the reasons it was shut down, no one wanted to deal with it.
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1987 BMW R65 - Penrite V Twin 20/50
2005 Nissan Expert - Gulf Western 10W-40
1996 Volvo T5 - Penrite HPR15 - 15W-60. Ryco syntec filter.

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#4642556 - 01/22/18 06:44 AM Re: Oil Disosal Mineral versus Synthetic [Re: gahorn]
Kestas Offline



Registered: 06/04/02
Posts: 12326
Loc: The Motor City
I've read that synthetic oil is slightly more difficult to burn. Otherwise, it has little significant impact in the waste stream.

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#4642704 - 01/22/18 09:32 AM Re: Oil Disosal Mineral versus Synthetic [Re: Snagglefoot]
64bawagon Offline


Registered: 01/10/17
Posts: 167
Loc: Michigan
Originally Posted By: Snagglefoot
According to Scientific American, 90 % of the 1.3 billion gallons of used motor oil collected in the USA every year is burned in industrial boilers etc. Only 10% is re-refined.

We used to have a very large recycling refinery in Calgary. All the products went to a central tank. Iíve been told the economics of it all is so low margin there is no way you can can bother separating the fluids. Now, Iíve never witnessed, this and someone correct me if iím wrong, biut I believe ithey donít even seperate engine oil from gear oil or transmission fluid.

Itís all mixed together, screened and then is heated. Not sure how they get the heavy metals out. It then goes through the distillation process and they re-introduce hydrogen into the molecules to produce a feedstock. Thiis was done at a refinery sized facility; no mom and pop operation.

I guess the short cut is the guys who burn it locally in furnaces for their shops. I imagine they have their own preference.

SD



We went through a lot of ATF at work, Before we got paid for our waste oil the people looking for waste oil to burn always liked the batches that had a lot of ATF in them.
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#4642759 - 01/22/18 10:33 AM Re: Oil Disosal Mineral versus Synthetic [Re: 64bawagon]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: 64bawagon

We went through a lot of ATF at work, Before we got paid for our waste oil the people looking for waste oil to burn always liked the batches that had a lot of ATF in them.


ATF runs beautifully in older IDI engines (6.2 and 6.5 GM, 6.9 and 7.3 Ford)

Yes, synthetic oil makes problems in oil-burning applications. The part that doesn't burn makes a really nasty hard goo.
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