Hm... I think you should read these: http://journeytoforever.org/biodiesel_SVO-Allen.html Straighter-than-straight vegetable oils as diesel fuels
http://journeytoforever.org/biodiesel_SVO-palm.html Palm Oil as a Fuel for Agricultural Diesel Engines >The main problem with SVO using Palm oil is that it gums up. You'll get a >white sticky hue and it crystalizes as well leaving residue in the engine >and fuel lines. It doesn't gum up. There are two different things here. You need to understand what the Iodine Value of oils is and what it means. It's fully explained here: Iodine Values http://journeytoforever.org/biodiesel_yield.html#iodine You really have to understand this if you're going to deal with SVO and biodiesel. Oils with high Iodine Values have low gelling temperatures and vice versa. BUT - oils with high Iodine Values are also drying oils: they polymerise, especially with heat. Oils with low Iodine Values don't polymerise, they're not drying oils, but they have higher gelling points. Gelling means it sets solid, like lard, no use for fuel - unless you heat it, then it melts again. Polymerisation of a drying oil means it hardens irreversibly into a plastic-like solid - heating it won't melt it again. This is why drying oils with high Iodine Values like linseed or tung oil are used in paints. Not what you want in your motor, whether as SVO or as biodiesel. Think of polyester resin used for glass fibre - for gelling, think of butter. Palm oil has a low Iodine Value and will not dry. It will however gel at quite a high temperature. And that's what's happening to you - the "white hue" is the stearin and palmitin in the palm oil. It's not gumming up, it's waxing up. You can't use palm oil in Canada. You can't use palm oil biodiesel in Canada either. What you seem to be missing is that Ircham is in Indonesia, and Jonathan is talking of using it in West Africa, not places where it gets cold. Palm oil will be just fine for them. >Cetane rating on Palm oil is quite high but I don't use it >because it does gum up. It has to be turned into BD to be used properly. >If you are going to use it as SVO a B20 is about as high as I'd push it and >that would be in warm weather. I'm using Soya oil as a B50 SVO in a >volkswagon TDI (2003) during the summer time, but in winter it's no more >than B20. Maybe you should read this too: http://journeytoforever.org/biodiesel_TDI.html The TDI-SVO controversy You should at least be pre-heating your SVO (in which case you could use palm oil too wihout it "gumming up"). >Palm oil is alot heavier Heavier? >than soy or cannolla and the weather >plays a big part in how rich the SVO ratio will be. You also have to look at >costs, since Palm oil is also a cooking oil, it's going to set you back a >pretty penny even if you could use it as a B100. West Africa and Indonesia are major world producers of palm oil. Anyway your point isn't very clear - both soy and canola are also cooking oils. > As for refining, I'm looking around at some of the smaller kits but have >not made a purchase yet. You mean for making biodiesel? Beware! Make your own! Best Keith >Just something about storing chemicals in the >garage in todays day and age -might give people the wrong impression of >what's going on in the kitchen. Especially being a minority. > >Have fun! > >SM > > > > > >----- Original Message ----- >From: "Jonathan Dunlap" <[EMAIL PROTECTED]> >To: <biofuel@yahoogroups.com> >Sent: Monday, June 28, 2004 7:33 AM >Subject: Re: [biofuel] Palm oil... > > > > Thanks! I don't know what to do just yet.... But I will very soon! > > > > Jonathan > > > > Mochammad Ircham <[EMAIL PROTECTED]> wrote: > > It was refined palm oil, straight vegetable oil. It's > > so hard to find the WVO in here because the people > > still use it for their food. > > No, we still apply B10 and B20, I don't think B100 > > will be save to vehicle without any change especially > > in plastic part. > > Ofcourse, we put a sign. Mr. Keith, do you know any > > idea how to refine the glycerine lye. I think vacuum > > distillation still expensive for small scale purpose. > > > > regards, > > Ircham > > > > > > > > > > __________________________________ > > Do you Yahoo!? > > New and Improved Yahoo! Mail - 100MB free storage! > > http://promotions.yahoo.com/new_mail > > > > > > > > Biofuel at Journey to Forever: > > http://journeytoforever.org/biofuel.html > > > > Biofuels list archives: > > http://infoarchive.net/sgroup/biofuel/ > > > > Please do NOT send Unsubscribe messages to the list address. > > To unsubscribe, send an email to: > > [EMAIL PROTECTED] > > > > > > Yahoo! Groups SponsorADVERTISEMENT > > > > > > --------------------------------- > > Yahoo! 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