Re: Recycling Hydraulic oil with water in it..(Tut

Posted by Bill in NC on September 20, 2006 at 07:46:51 from (24.172.3.146):

In Reply to: Recycling Hydraulic oil with water in it..(Tutoria posted by JayWalt on September 19, 2006 at 21:32:34:

Great stuff, JayWalt! I design and sell grease traps which are
essentially oil/water separators for restaurant plumbing
systems. Your heating set-up is a good idea. What looks like oil
still has some moisture in it and heating volatizes the water out
of the oil mass. This is one of the reasons why cars that only
get short operating runs (like one mile trips to work) are worse
as used car buys than a salesman's car with more miles.

Here's an idea that may make your process easier. Take a
plastic container, cut a hole in the bottom and install a PVC
bulk-head fitting (get from plumbing supply store). Bush down
from the bulk head fitting to a 1/2" nipple. Push on a short
section of 1/2" clear tubing. Put a nipple on a PVC ball valve
and attach to the other end of the clear tubing. You have just
made what laboratory folks call a separatory funnel but in a
much larger configuration. Build a little wood stand for the
plastic container to give you enough room to get pans under the
valve. You will see the layer change in the clear plastic section.
This enables you to have a visible cut-off point for opening and
closing the valve to draining out each layer. Best oil/water
separator possible for stuff like this.

Again, your heating idea is right on my man for getting the oil
totally water free.

Replies:

• Re: Recycling Hydraulic oil with water in it..(Tut JayWalt 08:11:34 09/20/06 (0)

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