Actually the methanol doesn't mix that well with the biodiesel. IPA (Isopropyl Alcohol) does and seems to have a beneficial effect at quite low concentrations 2% even. IPA isn't cheap here, 95% ethanol, even at 10% is attractive since that is what is sold as metholated spirits. Tony clogged up again this morning-looked like mud- really must get across the need to add the biocide.(sorry Kieth) --- In [EMAIL PROTECTED], Keith Addison <[EMAIL PROTECTED]> wrote: > G'day Steven > > >G'day Keith & Camillo > >Thanks for the information, leads and suggestions.Can I please ask, what does > >DIYS IMHO stand for....something about do it yourself? > > "Do-it-yourselfers, in my humble opinion". > > >I presume when you mention about using an alcohol to lower cloud point, > >methanol could be as easily used, but is not the fuel of choice because of its > >origin. > > Yes, I guess that's right. I was working with ethanol and found cloud > point improvement, other interests too with ethanol blends, so I > didn't try methanol, but certainly worth trying. That biodiesel had > quite a low cloud point anyway, I've no idea what effect it might > have on your high-CP muttonfat BD. Please let us know anything you > find. > > >Somthing of interest, just thinking about fuels. Not far from where I live, in > >a little place called Wolsley, there are some relics from a by gone era, huge > >cement fuel tanks sitting out in the middle of a farmers paddock. Apparently > >they were used during the second world war to hold fuel reserves...and I think > >( if my memory dosn't fail me ) they actually produced the fuel > >there...ethanol... I presume. > >I just thought that was interesting. > > Hopefully a sign of a forthcoming era too, Steven. > > Best wishes > > Keith > > > > >Regards > >Steven > > > >Keith Addison wrote: > > > > > Hello Camillo, Steve > > > > > > >snip,snip > > > > > 100% mutton fat: Yes, we do offer technology for that feedstock. But > > > > > >sorry, nothing for DIYS IMHO. > > > > > > Try this, good for tallow and lard - if it doesn't handle 100% you > > > might have to mix it with some SVO or WVO: > > > http://journeytoforever.org/biodiesel_aleks.html > > > > > > >Cloud point IS THE NUMBER ONE problem we all have with the cheap > > > >feedstocks.... though. > > > > > > Sorry to push this, but I found adding 10% ethanol lowered cloud > > > point quite a useful amount, maybe more so in this case. It was 95% > > > ethanol, by the way. > > > > > > Best > > > > > > Keith > > > > > > > > > > >Bye for now, > > > >Camillo > > > > > > > > > > > >-----UrsprŸngliche Nachricht----- > > > >Von: Steven Hobbs [mailto:[EMAIL PROTECTED] > > > >Gesendet: Montag, 17. Juni 2002 23:48 > > > >An: [EMAIL PROTECTED] > > > >Betreff: Re: [biofuels-biz] raw or refined feedstock ? > > > > > > > > > > > >G'day Camillo, > > > >Thanks for the comments but can I ask the question.....by what method/s > > > >of > > > >analysis do you determine the quality of Bio-diesel? > > > >I had a hinch that Glycerine would've been a "specific nuber" before its > > > >removal, and so a fatty acid analysis would've indicated the > > > >"completeness" > > > >of a reaction? > > > >It is good to know that in European systems you do in fact use raw > > > >feedstock. > > > > > > > >Just to throw another feedstock into the ball park...100%.mutton fat. I > > > >think > > > >someone on another thread mentioned something about the smell of "kitten > > > >vomit"....yes...fairly nasty smelling stuff....but produced the best > > > >looking > > > >fuel I've seen. Only problem...has a cloud point of about 16 degrees! Is > > > >it > > > >possible to alter the cloud point using surfactants? Have you done any > > > >work > > > >with regards to the use of tallows Camillo? I'd be interested to hear. > > > >Regards > > > >Steven > > > > > > > > > > > >Camillo Holecek wrote: > > > > > > > > > If it helps to clarify, here are my two (EURO) cent: > > > > > > > > > > ALL commercial BD produced in Europe is made from raw oil, nobody > > > > > bothers to refine (if they can). > > > > > > > > > > The fatty acid composition you mention has little to do with > > > >"quality". > > > > > It depends only on the feedstock AND GOES UNCHANGED THROUGH > > > > > TRANSESTERIFICATION !!! Therefore it does not say anything on the > > > > > "quality" of a biodiesel production. > > > > > > > > > > Camillo Holecek > > > > > Biodiesel Raffinerie GmbH, > > > > > Austria > > > > > > > > > > -----UrsprŸngliche Nachricht----- > > > > > Von: Steven Hobbs [mailto:[EMAIL PROTECTED] > > > > > Gesendet: Montag, 17. Juni 2002 15:26 > > > > > An: [EMAIL PROTECTED] > > > > > Betreff: Re: [biofuels-biz] Re: genetic engineering > > > > > > > > > > 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) > > > > > > > > > > 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. > > > > > 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? > > > > > > > > > > > > Best wishes > > > > > > > > > > > > Keith
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