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11-14-2019, 10:01 AM
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#1
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Guru
City: Gulf Islands, BC Canada
Vessel Name: Sea Sanctuary
Vessel Model: Bayliner 4588
Join Date: Jul 2019
Posts: 4,993
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used oil recycling
recently changed out oils. Faithfully hauled several gallons to the usual recycle place. I was told they no longer accept due to fines for contamination with coolant etc. Checked around and find all the retailers have stopped taking used oil brought in for same reason that one contaminated batch costs them more than they get in recycling. Now they only handle what they drain out on premises. Have not confirmed but Vancouver landfill apparently takes used oil.
So I started to google used oil mixed in with diesel and burned. There is mixed comments of course, but many claim success with various preps to just add to the tank. From sump to tank is appealing.
Looking at using the unused generator tank as a mixing tank after running oil through filters. Then set up a polishing system to mix into main tanks.
Has anyone done this? Thoughts?
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11-14-2019, 10:19 AM
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#2
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Guru
City: LI or Fla
Join Date: Jul 2013
Posts: 1,148
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I've seen some articles on mixing, just wasn't my thing, I bring mine to the local town dump area, they are a large tank to pour in your oil.
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11-14-2019, 10:45 AM
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#3
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,129
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I have read about people mixing it in with the diesel and burning it as fuel but not sure if I would do it. I take mine to a marine repair shop here. They burn it in their oil burning furnace that heats their shop during the winter. You might check some local businesses that use oil for heating.
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Boat Nut:
If you are one there is no explanation necessary.
If you aren’t one, there is no explanation possible.
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11-14-2019, 10:51 AM
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#4
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Guru
City: Gulf Islands, BC Canada
Vessel Name: Sea Sanctuary
Vessel Model: Bayliner 4588
Join Date: Jul 2019
Posts: 4,993
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Thanks but if they burn it, why not burn it myself. I have time until next oil change to decide. Not finding any reason not to do it so far. Some commercial fishermen were apparently doing this for years.
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11-14-2019, 11:06 AM
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#5
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Dauntless Award
City: Wrangell, Alaska
Vessel Name: Dauntless
Vessel Model: Kadey Krogen 42 - 148
Join Date: Jan 2013
Posts: 2,820
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Quote:
Originally Posted by Soo-Valley
Thanks but if they burn it, why not burn it myself. I have time until next oil change to decide. Not finding any reason not to do it so far. Some commercial fishermen were apparently doing this for years.
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This has been my thinking, but I have not done it for one primary reason, I don't want to take the chance of metal particles getting past the filter systems and potentially hurting the engine or injection pump.
And I've gone thru a couple of hundred gallons in the past 6 years.
As an aside, how any gov't who thinks they are being green by dumping it in a landfill, as opposed to burning it in a power plant, is beyond me.
When I changed the oil last month, my Vietnamese wife asked me who I was going to sell it to?
A culture that throws virtually nothing away, but reuses everything, is truly green.
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11-14-2019, 11:16 AM
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#6
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Guru
City: North Carolina for now
Join Date: Aug 2011
Posts: 6,348
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Most engine manufacturers that i have seen specifically warn against adding it to fuel. Likely for the same reasons as Richard's. That includes for the old Detroit 2 cycles like I had.
__________________
George
"There's the Right Way, the Wrong Way, and what some guy says he's gotten away with"
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11-14-2019, 11:27 AM
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#7
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Senior Member
City: Sitka
Vessel Name: Ventana
Vessel Model: Krogen 42
Join Date: Mar 2018
Posts: 371
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The guy I fished with up here wouldn’t use it in the boat, didn’t want the risk of contaminants getting past filters when the boat was his livelihood. He did however buy an old VW Rabbit pickup with a diesel engine, would save the oil from his fishing boat, and burn it in the truck. It smoked a lot, but I don’t think he ever paid for fuel for that thing.
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11-14-2019, 11:29 AM
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#8
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Moderator Emeritus
City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 21,129
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Quote:
Originally Posted by Soo-Valley
Thanks but if they burn it, why not burn it myself. I have time until next oil change to decide. Not finding any reason not to do it so far. Some commercial fishermen were apparently doing this for years.
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When I said they burn, I meant in their oil burning furnace in their workshop, not in an engine. They said they usually burn about 40 55 gallon drums in a winter so they are happy to get my oil since they save on heating costs.
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Boat Nut:
If you are one there is no explanation necessary.
If you aren’t one, there is no explanation possible.
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11-14-2019, 11:45 AM
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#9
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TF Site Team
City: Seneca Lake NY
Vessel Name: Bacchus
Vessel Model: MS 34 HT Trawler
Join Date: Nov 2014
Posts: 7,808
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Quote:
Originally Posted by Comodave
When I said they burn, I meant in their oil burning furnace in their workshop, not in an engine. They said they usually burn about 40 55 gallon drums in a winter so they are happy to get my oil since they save on heating costs.
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In the NE it is very common for auto / truck shops to heat with waste oil furnaces. There are units designed specifically for that. I have 2 shops nearby that are happy to take any & all waste oil.
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Don
2008 MS 34 HT Trawler
"Bacchus"
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11-14-2019, 12:01 PM
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#10
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Guru
City: Gulf Islands, BC Canada
Vessel Name: Sea Sanctuary
Vessel Model: Bayliner 4588
Join Date: Jul 2019
Posts: 4,993
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Quote:
Originally Posted by Comodave
When I said they burn, I meant in their oil burning furnace in their workshop, not in an engine. They said they usually burn about 40 55 gallon drums in a winter so they are happy to get my oil since they save on heating costs.
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Thanks I got that.
Recycling is supposed to put it through a process for use once more.
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11-14-2019, 12:06 PM
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#11
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Guru
City: Gulf Islands, BC Canada
Vessel Name: Sea Sanctuary
Vessel Model: Bayliner 4588
Join Date: Jul 2019
Posts: 4,993
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Quote:
Originally Posted by Wxx3
This has been my thinking, but I have not done it for one primary reason, I don't want to take the chance of metal particles getting past the filter systems and potentially hurting the engine or injection pump.
And I've gone thru a couple of hundred gallons in the past 6 years.
As an aside, how any gov't who thinks they are being green by dumping it in a landfill, as opposed to burning it in a power plant, is beyond me.
When I changed the oil last month, my Vietnamese wife asked me who I was going to sell it to?
A culture that throws virtually nothing away, but reuses everything, is truly green.
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Our landfill would have collection tanks and then sent to be processed. I meant to say right now that may be the only place to take it to.
as for foreign matter in the oil after it is run through a filter would be a surprise and time to look at said filter. Then it would go through the fuel filters. The injection pump should not see anything.
So I am not concerned about that.
We take/took it to places that accepted it because they could sell it and profit. But now they are charged if foreign matter is found in the mix resulting in a cost to dispose.
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11-14-2019, 02:05 PM
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#12
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Member
City: Milford ct
Vessel Name: Oars Up
Vessel Model: 46.6 Bertram MY
Join Date: Dec 2017
Posts: 17
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recycled oil
Quote:
Originally Posted by Bacchus
In the NE it is very common for auto / truck shops to heat with waste oil furnaces. There are units designed specifically for that. I have 2 shops nearby that are happy to take any & all waste oil.
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Absolutely right, just dropped of 35 gallons to a local gas/repair station that
was more than happy to accept it. All the oil from changes goes right from the vehicle to the furnace tank.
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11-15-2019, 08:32 AM
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#13
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Guru
City: Fort Myers, FL... Summers in the Great Lakes
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 12,817
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Both counties I live in (FL & MD) accept waste engine oil. When cruising, every Walmart I tried will accept waste oil. Many auto parts stores will also accept it. IMO, it's not worth the risk and effort to clean it up and dump it in the fuel tank of the boat.
Ted
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11-15-2019, 11:31 AM
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#14
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Technical Guru
City: Wilmington, NC
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 6,194
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There are metallic additives in lube oil that form deposits when burned. Things that stick rings and clog up exhaust.
I tried it on an old generator and after a day it shut down. All the lube oil blew out the blow by tube. Shut down on low oil pressure. I checked it out and found compression sorely lacking. I treated it with outboard ring free type stuff and was able to get the rings unstuck without disassembly. That experiment was over!! Back to straight diesel.
I don't recommend putting used sump oil into fuel for diesel engines.
I recycle all mine. So far the local autoparts store still takes it without concern for contamination. As I understand, it from there it is distilled which will sep out virtually any contaminates.
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11-15-2019, 12:08 PM
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#15
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Guru
City: Upstate,SC
Vessel Name: Shipoopi
Vessel Model: derilic sailboat
Join Date: May 2012
Posts: 2,884
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If I was going to do it, I would follow the lead of the bio diesel guys and use a centrifuge to spin off the oil and leave the contaminates behind. Plenty of good vids on youtube.
This could be installed in some boats and used to clean the fuel as well as the used motor oil.
https://www.amazon.com/Centrifuge-bi...language=en_US
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11-15-2019, 01:18 PM
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#16
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Guru
City: Carefree, Arizona
Vessel Name: sunchaser V
Vessel Model: DeFever 48 (sold)
Join Date: Apr 2008
Posts: 10,179
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In BC being a DIYer for oil, filters, diesel and coolant is challenged by disposal. The commercial marinas generally have a recycling tank. We have requently changed oil in Shearwater. Easier still in AK where recycling containers are common.
In lower BC, our favorite mechanics take used fluids for us when we change ourselves.
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11-15-2019, 01:56 PM
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#17
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Guru
City: Between Oregon and Alaska
Vessel Name: Charlie Harper
Vessel Model: Wheeler Shipyard 83'
Join Date: Jun 2016
Posts: 3,021
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I've burnt my used oil in the engines that created it for 60 years without problems. But I run cleaner oil than most, filtering to under 5 microns in the engine. With one final filtering before pumping it into a day tank. Usually diluting the oil 10:1 or more. Since I always got more hours out of my engines and injectors than others running the same machinery, I don't think it hurt. If anything, it added lubrication to the fuel. A lot of that was in Detroits.
In my quest for cleaner oil, I now centrifuge my oil and just test, and don't change anything but the oil filters. Last oil change was in 2011.
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11-15-2019, 02:24 PM
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#18
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Guru
City: Queensland
Vessel Model: Milkraft 60 converted timber prawn trawler
Join Date: Jul 2016
Posts: 5,482
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Quote:
Originally Posted by Lepke
I've burnt my used oil in the engines that created it for 60 years without problems. But I run cleaner oil than most, filtering to under 5 microns in the engine. With one final filtering before pumping it into a day tank. Usually diluting the oil 10:1 or more. .
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So you'd like to think dropping 40 litres of used oil in on top of 4000 litres of diesel should be OK.
I've been reusing my 250 hour oil (that runs through a bypass filter, so its clean enough to see the dipstick marks) in the genset for another 50 hours but as I rarely use the genset I have several 20 litre drums of used oil accumulated.
No where to get rid of them on the water.
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11-15-2019, 02:35 PM
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#19
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Guru
City: Queensland
Vessel Model: Milkraft 60 converted timber prawn trawler
Join Date: Jul 2016
Posts: 5,482
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Quote:
Originally Posted by ben2go
If I was going to do it, I would follow the lead of the bio diesel guys and use a centrifuge to spin off the oil and leave the contaminates behind. Plenty of good vids on youtube.
This could be installed in some boats and used to clean the fuel as well as the used motor oil.
https://www.amazon.com/Centrifuge-bi...language=en_US
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$4300 aud buys me 430 litres of new oil or enough to last 11 years at 40 litres a change.
Smaller engines probable need to use it for 40 years to break even.
Do you think that device will last the distance?
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11-15-2019, 02:50 PM
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#20
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Guru
City: Palm Coast, FL
Vessel Name: Coquina
Vessel Model: Lagoon 380
Join Date: Jan 2017
Posts: 2,570
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Quote:
Originally Posted by Wxx3
..
When I changed the oil last month, my Vietnamese wife asked me who I was going to sell it to?
A culture that throws virtually nothing away, but reuses everything, is truly green.
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EVN is now around 40% renewable electrical energy sourcing; and I helped!
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