--- Keith Addison <[EMAIL PROTECTED]> wrote:
> Hi Ardis
>
> >Hi , Was wondering if anybody out there knows how
> to
> >seperate water from used veg. oil ?? Is there a way
> to
> >filter it at time of pickup,since I will be using a
> >gear pump and electric motor for collecting the oil
> >and also to pump it from my collection tank to my
> >storage tank.All of my tanks have conicle bottoms
> and
> >are stainless steel construction.I am building a
> >fairly large processor so I was wondering if there
> is
> >a fast way to do this,or if just letting the oil
> sit
> >in the storage tank would allow the water to
> seperate
> >out and drain it off the bottom of the tank?? Any
> >advice would be great!!
>
> I don't know if you can do this effectively with a
> filter, nor how it
> could be done at time of pickup.
>
> Water content might settle out eventually, or it
> might not. Once
> you've got it back home, try raising the temp to
> 130-140 deg F (55-60
> deg C). keep it there for 15 minutes or so, then let
> it settle
> overnight. This will settle out the water, so don't
> use the bit at
> the bottom. Some people say this method doesn't work
> well, but it
> always works well with me, and others. Give it a
> try, if you're not
> satisfied then go to higher temps and try boiling
> the water off.
> Boiling takes more energy, but without the need for
> overnight
> settling you could use the heat for processing,
> catching the oil "on
> way down" at 130-135 deg F, the usual processing
> temp.
>
> Check first whether the oil needs dewatering or not.
> Heat some up in
> a small pot on the stove; if it starts crackling at
> about 130 deg F,
> or maybe less, there's water in it, remove it. If no
> crackling by 160
> deg F or so, no need to dewater it.
>
> regards
>
> Keith Keith,,
> Thanks alot for the advice on storing and dewatering
used veg. oil!!!Have a good weekend..
>
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