The original message was sent here, but not the response, so I'll forward it, useful.
Best Keith >To: <[EMAIL PROTECTED]> >From: "Appal Energy" <[EMAIL PROTECTED]> >Date: Fri, 30 Aug 2002 23:23:20 -0400 >Subject: Re: [Biodiesel] tests for water was Re: [vegoil-diesel] >Digest Number 297 >Reply-To: [EMAIL PROTECTED] > >All those lovely grill scrapings is where the water does >eventually settle. Makes for a lovely looking mess when you try >to press the sediment to get as much oil out as possible before >composting (inverted bottle jack, steel plate and a steel >cylinder with slits in it...very crude). > >Generally you can tell in but a few minutes if the filtered oil >has any residual water in it by throwing a pint into a sauce pan >and putting it on medium to high heat on an electric burner. The >bottom of the pan and the bottom of the oil will be at "frying" >temperature in but a minute or two, while the rest of the oil >will only be starting to warm. > >If there is any water remaining in the oil, you will almost >instantly start to hear the pop and snap of water in hot oil. > >Todd Swearingen > >----- Original Message ----- >From: girl Mark <[EMAIL PROTECTED]> >To: <[EMAIL PROTECTED]>; <biofuel@yahoogroups.com>; ><[EMAIL PROTECTED]> >Sent: Friday, August 30, 2002 9:08 PM >Subject: [Biodiesel] tests for water was Re: [vegoil-diesel] >Digest Number 297 > > >I'm a biodieseler, not an SVO'er, but I do a test for water in >oil to see >if I need to dewater: > >I mix up my WVO (My theory is that some water hangs out in the >sediment at >the bottom of a container) heat up a small 1/2 -cup sample on the >kitchen >stove, with a thermometer in it, and watch carefully at what >happens when >it approaches the boiling point of water. If there are sputtering >and >fizzing sounds, I go ahead and assume that I have to dewater >before making >biodiesel with it. If it goes right past that point without >making any >noise, I use it without dewatering. > >The other version of this test is to weigh a sample of oil >(presumably >weighed in the same container you're going to heat), then bring >it to above >the boiling point of water (but below the smoking point for the >oil, or >something like that), then weigh it again and see if anything's >boiled away. > >Some people (such as the Home Power article about Yellow >Biodiesel) think >that the color of the used oil is an indication of whether >there's water in >it or not. I have not found this to be true at all. Some of my >ugly >yellowish grease is fine and water-free, and some of the nice >clear looking >brown stuff contains water. > >girl Mark ------------------------ Yahoo! Groups Sponsor ---------------------~--> 4 DVDs Free +s&p Join Now http://us.click.yahoo.com/pt6YBB/NXiEAA/MVfIAA/FGYolB/TM ---------------------------------------------------------------------~-> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuels list archives: http://archive.nnytech.net/ Please do NOT send Unsubscribe messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
