Original poster: "by way of Terry Fritz <twftesla-at-uswest-dot-net>" <Jbryantmou-at-aol-dot-com> By the way, you would probably want to use a pot that has a lid with some type of vent for the steam. Since oil floats and that water will be boiling on the bottom, there would be quite a bit of splattering I imagine. I believe this is called fractional distillation, if you're curious :o)