[Rockhounds] Winter Saw Oil Cleaning...

[Brenda Van Dyke]

so...you would heat the oil/sludge bucket, and then pour the water in the
bucket? and then freeze?  would you try to minimize or maximize the water
agitating the sludge?

Nick & Brenda

On Sat, Jan 17, 2009 at 10:30 AM, Tim <nospam at orerockon.com> wrote:

> I don't think I said this the last time this subject came up, but it really
> helps to heat the sludge as hot as you can (without melting the container
> of
> course) to promote the separation of the oil from the solids. This applies
> to the "grocery bag" method of oil recovery as well (which, IMO, results in
> a much higher rate of recovery). In winter I sit my buckets in front of the
> shop heater for a few days first. In the summer I leave them out in the sun
> on the hottest days (around here that's >80F).
>
> Tim Fisher
> Ore-ROCK-On!
> Email address at http://OreRockOn.com
>
>
> -----Original Message-----
> From: rockhounds-bounces at lists.drizzle.com
> [mailto:rockhounds-bounces at lists.drizzle.com] On Behalf Of Steve Shimatzki
> Sent: Friday, January 16, 2009 8:15 PM
> To: rockhounds at lists.drizzle.com
> Subject: [Rockhounds] Winter Saw Oil Cleaning...
>
> Recent threads of Ice / Snow / Water / Cold got me to thinking about
> reminding everyone with a rock saw of a simple way to clean out the
> sludge from the used saw oil in the winter.
>
> I guess the general idea is to pour your contaminated oil into a
> bucket that has ample room and some excess.   Add about 2 gallons of
> water.  Cover it and put it out in the snow for a few days to freeze
> the water.  The principal is that the oil would be lighter than the
> water and the water would freeze below the oil.  You could then Drain
> the oil back into your (cleaned up) saw or storage containers but the
> water and rock sludge would be trapped in the ICE if it froze
> completely through.  Remove the ICE to a separate container to
> dispose of properly when it melts.
>
> Now, I don't remember where I read it, I'm sure it was 60's or 70's
> Lapidary Journal (Yah, before they found out about beads and PMC) and
> I think it was a hint from someone in Minnesota.   But It should work
> for me here in Toledo.
>
> Your Mileage may vary depending on your climate and type of saw
> lubricant.  So unless you have access to a LARGE freezer, I don't
> think this will work for most folks in the warmer climates. ;)
>
> -Steve
>
>
> Stephen Shimatzki
> sjs132 at accesstoledo.com
> Toledo Gem and Rockhound Club
> http://www.rockyreader.com
>
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-- 
Brenda Van Dyke, Editor
Arrowhead News
Indian Mounds Rock & Mineral Club
Wyoming, Michigan
www.indianmoundsrockclub.com
brenick at gmail.com


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