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Removing water from grease? #4513507
09/11/17 04:41 PM
09/11/17 04:41 PM
Joined: Jan 2014
Posts: 520
AZ
leroyd92 Offline OP
leroyd92  Offline OP
Joined: Jan 2014
Posts: 520
AZ
I have a 5 gallon bucket half full of bearing grease.
@ some point, the lid cracked and water settled in the bucket. Down in knooks/crannies and after trying to (tip khe bucket to drain) it just made more Pockets of water in random spots...

If i put the grease in a frydaddy deep fryer, would the grease get hot enough to boil the water off yet not hurt the grease?

Re: Removing water from grease? [Re: leroyd92] #4513512
09/11/17 04:46 PM
09/11/17 04:46 PM
Joined: Aug 2003
Posts: 13,147
NE,Ohio
Rand Offline
Rand  Offline
Joined: Aug 2003
Posts: 13,147
NE,Ohio
buy more grease? might be cheaper and less messy than a new fryer.



2019 Jeep Cherokee Trailhawk 2.0T
Re: Removing water from grease? [Re: leroyd92] #4513521
09/11/17 04:54 PM
09/11/17 04:54 PM
Joined: Aug 2014
Posts: 617
WA
SnowDrifter Offline
SnowDrifter  Offline
Joined: Aug 2014
Posts: 617
WA
I have nothing to add other than I agree

Sucks... But you're talking about $75-$100 for a new bucket. I don't think it's worth reinventing the wheel here, so to speak.


2005 Tahoe - 135k
2003 Forester(the swagger wagon) - Rehomed
1999 Passat - Rehomed
Re: Removing water from grease? [Re: leroyd92] #4513523
09/11/17 04:56 PM
09/11/17 04:56 PM
Joined: Jan 2014
Posts: 520
AZ
leroyd92 Offline OP
leroyd92  Offline OP
Joined: Jan 2014
Posts: 520
AZ
The fryer in question had gear oil in it for chains. So its not a loss.


Supertech Junky
Re: Removing water from grease? [Re: leroyd92] #4513527
09/11/17 04:59 PM
09/11/17 04:59 PM
Joined: Aug 2014
Posts: 617
WA
SnowDrifter Offline
SnowDrifter  Offline
Joined: Aug 2014
Posts: 617
WA
You could try testing a small batch, but I'm not sure grease would "melt" in a way that would be conducive to heating. And even still, that's ignoring the chemistry of the grease and if any of the water may have chemically bonded to the detergents or binding agents in it. I'm not sure of a way to test to see if that' effective other then trying it, then sending off a sample to test. But then you run into cost prohibition issues.

And even if it does work, you're essentially talking about heating water in hot oil oil(assuming it melts). It likes to more or less explode so there's a danger there.

My 2 cents, I still don't think it's worth it


2005 Tahoe - 135k
2003 Forester(the swagger wagon) - Rehomed
1999 Passat - Rehomed
Re: Removing water from grease? [Re: leroyd92] #4513535
09/11/17 05:08 PM
09/11/17 05:08 PM
Joined: Jun 2002
Posts: 12,651
The Motor City
Kestas Offline
Kestas  Offline
Joined: Jun 2002
Posts: 12,651
The Motor City
You'll probably oxidize the grease, unless you could heat it at a low temperature for a long time. It's likely cheaper to replace the grease.

Re: Removing water from grease? [Re: Kestas] #4513548
09/11/17 05:18 PM
09/11/17 05:18 PM
Joined: Aug 2014
Posts: 617
WA
SnowDrifter Offline
SnowDrifter  Offline
Joined: Aug 2014
Posts: 617
WA
Originally Posted By: Kestas
You'll probably oxidize the grease, unless you could heat it at a low temperature for a long time. It's likely cheaper to replace the grease.

Little more philosophical.. I wonder if you could spread the grease into thin, roughly 1/4" sheets, stack them, then dry under vacuum


2005 Tahoe - 135k
2003 Forester(the swagger wagon) - Rehomed
1999 Passat - Rehomed
Re: Removing water from grease? [Re: leroyd92] #4513593
09/11/17 06:14 PM
09/11/17 06:14 PM
Joined: Sep 2016
Posts: 1,418
Minnesota
bioburner Offline
bioburner  Offline
Joined: Sep 2016
Posts: 1,418
Minnesota
I'm surprised that just leaving the bucket outside in the AZ sun wouldn't help with getting rid of the water after wicking off most of the water with some clean cotton rags.



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Re: Removing water from grease? [Re: bioburner] #4513600
09/11/17 06:22 PM
09/11/17 06:22 PM
Joined: May 2010
Posts: 9,492
out there
spasm3 Online content
spasm3  Online Content
Joined: May 2010
Posts: 9,492
out there
Originally Posted By: bioburner
I'm surprised that just leaving the bucket outside in the AZ sun wouldn't help with getting rid of the water after wicking off most of the water with some clean cotton rags.


Paint the bucket black, alternate taking the lid off as it gets hot, let the vapor out, then put the lid on to heat it back up. Putting the bucket on black asphalt is even better.


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Re: Removing water from grease? [Re: leroyd92] #4513601
09/11/17 06:23 PM
09/11/17 06:23 PM
Joined: Jun 2009
Posts: 363
OR, USA
bsmithwins Offline
bsmithwins  Offline
Joined: Jun 2009
Posts: 363
OR, USA
Scoop down to unwatered grease then use that.

Bearing grease + water + deep fryer = good potential for long, slow, Darwin award.

BSW

Re: Removing water from grease? [Re: leroyd92] #4513667
09/11/17 07:43 PM
09/11/17 07:43 PM
Joined: Dec 2016
Posts: 7,201
Waco, TX
Linctex Online content
Linctex  Online Content
Joined: Dec 2016
Posts: 7,201
Waco, TX
Originally Posted By: leroyd92
If I put the grease in a frydaddy deep fryer, would the grease get hot enough to boil the water off yet not hurt the grease?


I have done it with a really old "turkey fryer" and new water contaminated hydraulic fluid.

Heated it up to 250*F to boil the water off , and it was like new.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Removing water from grease? [Re: leroyd92] #4513704
09/11/17 08:15 PM
09/11/17 08:15 PM
Joined: Oct 2009
Posts: 3,530
Wet side WA
JohnnyJohnson Offline
JohnnyJohnson  Offline
Joined: Oct 2009
Posts: 3,530
Wet side WA
Some women know everything and that sounds like a good job to let one of those prove it to you!


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Re: Removing water from grease? [Re: bsmithwins] #4513866
09/12/17 03:20 AM
09/12/17 03:20 AM
Joined: Oct 2012
Posts: 4,825
Taiwan
Ducked Offline
Ducked  Offline
Joined: Oct 2012
Posts: 4,825
Taiwan
Originally Posted By: bsmithwins
Scoop down to unwatered grease then use that.

Bearing grease + water + deep fryer = good potential for long, slow, Darwin award.

BSW


Explosive boiling is really only a serious hazard when you add water to already superheated oil/fat/grease. Gently melting and heating the grease should boil of the water fairly gradually, but it might not be very good for the grease.

Whats the melting point of the grease and how critical is your application for any grease you "recover"

You could perhaps try a double boiler with brine as the outer fluid, which will have a slightly higher boiling point than water and would avoid surface charring.

Might not be hot enough though.

Re: Removing water from grease? [Re: bsmithwins] #4513870
09/12/17 03:53 AM
09/12/17 03:53 AM
Joined: Jun 2006
Posts: 370
Texas
Neely97 Offline
Neely97  Offline
Joined: Jun 2006
Posts: 370
Texas
Originally Posted By: bsmithwins
Scoop down to unwatered grease then use that.

Bearing grease + water + deep fryer = good potential for long, slow, Darwin award.

BSW


That's funny.


6.7 cummins, Toyota 4 runner
FUMOTO
Re: Removing water from grease? [Re: leroyd92] #4513874
09/12/17 04:04 AM
09/12/17 04:04 AM
Joined: Oct 2012
Posts: 4,825
Taiwan
Ducked Offline
Ducked  Offline
Joined: Oct 2012
Posts: 4,825
Taiwan
According to this

https://en.wikipedia.org/wiki/Sodium_chloride

saturated brine boils at about 109C.

Dropping point of most greases is a lot higher then that so the grease wont be liquid.

That implies a lot of stirring to transfer enough heat to boil the water content, so I doubt my suggestion is very practical.

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