> Phosphoric acid allegedly works for acid esterification. It's a > whole lot more expensive than sulfuric. > mark
And a whole lot more distilled water content than sulfuric. Hard to get phosphoric any higher than 85%. Todd Swearingen > > --- In biofuel@yahoogroups.com, Keith Addison <[EMAIL PROTECTED]> > wrote: > > > > > > >You also said that the acid base method _MUST_ be > > >done with sulfuric acid, > > > > That's what it says, quite specifically, and other work I've seen > on > > acid esterification also specifies that. I think it's been > explained, > > but that was probably beyond me. I'll accept clear instructions > on > > which different sources agree. IIRC there have been some > reports of > > people trying hydrochloric and not getting anywhere. Perhaps a > > chemist could manage to make a different acid work, but even > if it > > turned out to be possible you'd probably have to work the > whole thing > > out from scratch, develop a new technique rather than just > replace > > the sulphuric and proceed as before from Step 2. What for? If > the > > existing acid-base method didn't work very well maybe, but it > does > > work very well, it's the best method we have. If it's ethyl esters > > you're aiming at, you'd want to base it on a good, reliable > method, > > not an untried newbie with potential for hidden variables, just > for > > the sake of avoiding a much-exaggerated risk. Anyway, if you > do > > decide to go ahead with it, do please have another look at the > method > > and check for acids it specifically warns against. > > > > >and that there were other problems with the > > >theory my friend and I had been discussing. Unfortunantly, > when I asked > > >you to elaborate on why it had to be sulfuric acid, and what the > other > > >problems are, you did not answer. > > > > No, I didn't. I think your friend might have done better if you'd > > given him time to study the Foolproof Method first, rather than > > apparently commenting on the fly on first encounter during an > IRC > > session. Maybe he's had time to think about it now? > > > > > > properly set up and running. I've never run a still before. > Have you? > > > > > >Yes, a pot still, not adequate for ethanol production for BD, but > a good > > >starter experience. > > > > Good for you! I'm sure that's a good start. > > > > Best > > > > Keith > > > > > > >Dan > > > > Biofuel at Journey to Forever: > http://journeytoforever.org/biofuel.html > > Biofuels list archives: > http://archive.nnytech.net/index.php?list=biofuel > > 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/ > > > ------------------------ Yahoo! Groups Sponsor ---------------------~--> Buy Ink Cartridges or Refill Kits for your HP, Epson, Canon or Lexmark Printer at MyInks.com. Free s/h on orders $50 or more to the US & Canada. http://www.c1tracking.com/l.asp?cid=5511 http://us.click.yahoo.com/mOAaAA/3exGAA/qnsNAA/FGYolB/TM ---------------------------------------------------------------------~-> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuels list archives: http://archive.nnytech.net/index.php?list=biofuel 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/
