G'day Steve >G'day Keith, >It's Steve Hobbs here. I have only two pieces of reference for my work. > >1 - My humble 18 year old Nissan ute that has now travelled 7000 kms on a 40% >cold pressed BD & dino diesel mix and appears in all respects to be >travelling fine (perhaps even better that fine, engine rattle has >substantially reduced, cold starts improved, reduced "smoke", etc..the ute is >due to have injectors removed and inspected by an impartial party)
:-) The usual happy biodieseller, with a happy-sounding ute! Tell us about the inspection when it happens, will you? >2 - I've had a sample of coldpressed BD analysised for fatty acid >composition, which I guess would give an idea of the quality of the fuel by >what fatty acids are and aren't present in my fuel. >If you could Keith, I'd be interested to compare the fatty acid composition >of my farm made cold pressed BD to commercially produced BD to see how the >quality stacks up. >So, here is the analysis > >C16:0 C18:0 C18:1 C18:2 C18:3 C20:0 C20:1 C22:0 > 3.90 4.83 80.54 9.29 0.00 0.37 0.00 1.07 > >If you could provide me with a commentary on the quality of my fuel, it would >be appreciated. I think Camillo gave you the answer there (phew!). You might find comparisons with raw oils interesting though, fatty acid contents here: http://journeytoforever.org/biodiesel_meth.html How much methanol? More here: http://journeytoforever.org/biodiesel_yield.html Vegetable oil yields, characteristics >Regards > >Steven > > > >snip, snip, snip,etc > >Keith Addison wrote: > > > >When compared with the costs of > > >refining vegetable oils by degumming, neutralisation, bleaching etc., > > >the cost of transesterifying raw oils is not; or should not be; > > >excessive. Steve Hobbs has shown that the transesterification (with > > >washing)of raw oil effectivelty removes the contaminants. > > > > I've seen various conflicting statements about that. Do you have a > > reference for Steve Hobbs's work? > > All settled now, good - thanks to Harry, Steve and Camillo. regards Keith > > Best wishes > > > > Keith ------------------------ Yahoo! Groups Sponsor ---------------------~--> Free $5 Love Reading Risk Free! http://us.click.yahoo.com/3PCXaC/PfREAA/Ey.GAA/9bTolB/TM ---------------------------------------------------------------------~-> Biofuels at Journey to Forever http://journeytoforever.org/biofuel.html Biofuel at WebConX http://www.webconx.com/2000/biofuel/biofuel.htm List messages are archived at the Info-Archive at NNYTech: http://archive.nnytech.net/ To unsubscribe from this group, send an email to: [EMAIL PROTECTED] Your use of Yahoo! Groups is subject to http://docs.yahoo.com/info/terms/
