I think I was told by my chem prof that many years ago annhydrous ethanol was taken the last 5 points by dropping metallic sodium into the container. Need to be careful re fire using this method.
-----Original Message----- From: Keith Addison [mailto:[EMAIL PROTECTED] Sent: Thursday, June 07, 2001 11:05 AM To: biofuel@yahoogroups.com Subject: Re: [biofuel] Freezing EtOH >[EMAIL PROTECTED] wrote: > > > I took 20mL of 95% EtOH and subjected it to -20 degrees C. >for 30 minutes, > > then took it down to -30 deg. C for 30 minutes. No ice was formed in either > > instance. I did not feel it was necessary to go much colder than >that, but I can > > if any one wants me to. > > > > So, freezing is not a viable method of getting anhydrous EtOH for BioD > > production. I hope that answers your question, Robert. Cheers, Joe > > > > Thanks, Joe! > > Perhaps it might work as a means to reduce separation energy BEFORE >distillation. I've read somewhere that some fuel injected engines >can operate on a >50 / 50 mix of ethanol and water. http://journeytoforever.org/biofuel_library/ethanol_manual/manual3.html Alcohol Fuel Manual Ch3 - see ALCOHOL INJECTION You can make 100 proof with a simple pot still. > A more pertinent question may be this: Is anyone actually >distilling engine >fuel and using it on a regular basis? They do, but they might not admit it. >It seems that regulatory hurdles and a rather >poor energy balance mitigate against ethanol on a small scale. For >those of use who >do not drive diesels, this is unfortunate. For diesel drivers too - ethyl esters is a most attractive option. Keith Addison Journey to Forever Handmade Projects Tokyo http://journeytoforever.org/ >robert luis rabello Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html 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/ --- Incoming mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.256 / Virus Database: 129 - Release Date: 5/31/2001 --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.256 / Virus Database: 129 - Release Date: 5/31/2001 Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html 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/
