OK, thanks I'll try that. I'd like to use the acid - base (foolproof) method, but I have not yet managed to obtain the conc sulphuric acid.
At 07:53 AM 12/03/2004 -0800, you wrote: >on 3/12/04 4:21 AM, mfle2001 at [EMAIL PROTECTED] wrote: > > > > > I had 32 litres of oil, in a plastic dustbin. > > I dissolved 224g of lye in 1,280 mls of water, > > and mixed it in to the oil. > > > > Unfortunately despite leaving it 24 hours I > > don't seem to have any separation of oil and > > soapstock - it just seems to be one horrible > > gluggy mass. > > >Try slowly pouring a liter of your mix into >10 liters of very hot water. Mix gently. >Clean oil should float to the top, where you >can scoop it off. You might be able to repeat >the process a few times with the same batch of >water before it gets too soapy. > >The oil you recover from this first stage will >probably need a second stage (all over again with >fresh hot water) to completely remove all the soap. > >This extravagant use of water has always plagued >the caustic refining process, which is why it is >gradually being phased out in favor of other >approaches. Centrifuging helps, but is generally >beyond the abilities and budget of the garage >producer. > >Why don't you try an acid esterification step >first, when you can't avoid using that oil? > >-K > > > >Biofuel at Journey to Forever: ><http://journeytoforever.org/biofuel.html>http://journeytoforever.org/biofuel.html > >Biofuels list archives: ><http://infoarchive.net/sgroup/biofuel/>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 Links > * To visit your group on the web, go to: > * > <http://groups.yahoo.com/group/biofuel/>http://groups.yahoo.com/group/biofuel/ > * > * To unsubscribe from this group, send an email to: > * > <mailto:[EMAIL PROTECTED]>[EMAIL PROTECTED] > > * > * Your use of Yahoo! Groups is subject to the > <http://docs.yahoo.com/info/terms/>Yahoo! Terms of Service. Mike Fleetwood Canberra, Australia. Worldwide email address is: [EMAIL PROTECTED] [Non-text portions of this message have been removed] ------------------------ 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://infoarchive.net/sgroup/biofuel/ Please do NOT send Unsubscribe messages to the list address. To unsubscribe, send an email to: [EMAIL PROTECTED] Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/biofuel/ <*> 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/
