I am helping a friend setup a reactor and he has 4 55 gallon drums of IPA. He has little time so it is slow going, but I will let you know how it goes. Since the it has the higher boiling point we will run at a higher temperatures. I am interested in trying the BIOX reaction as well but want to make sure that the reactor is air tight first.
:-) I'd suggest you check on whether the process is watertight before you start bothering about the reactor. (It ain't!) Rather thoroughly discussed here previously, a few times. I think calling it "the BIOX reaction" might be somethinbg of a misnomer, for one thing.
See: http://infoarchive.net/sgroup/biofuel/35434/ http://infoarchive.net/sgroup/BIOFUEL/35449/ Check the links in those posts. Best wishes Keith
Andy On Fri, 14 Jan 2005 09:12:26 -0300, Andres Yver <[EMAIL PROTECTED]> wrote: > On Thursday, January 13, 2005, at 05:50 AM, Jan Warnqvist wrote: > > > Hello there ! > > Is there anyone who has experience in isopropyl alcohol or its esters > > as fuel components ? > > Jan Warnqvist > > > Here's a pdf out of Iowa State University: > > www.me.iastate.edu/biodiesel/Technical%20Papers/Wang%20Intro.pdf > > The production of isopropyl esters and their effects on a diesel engine > > "The scope of this research was to improve the cold weather properties > of neat biodiesel > by investigating the manufacture of isopropyl esters from soybean oil > and yellow grease. > Isopropyl esters have a lower crystallization temperature compared to > methyl esters from the same source material." > > www.me.iastate.edu/biodiesel/Technical%20Papers/ > Wang%20Equip%20Analysis%20Results.pdf > > Optimizing the Transesterification Process for Isopropyl Esters > > "Producing isopropyl esters requires the use of isopropyl alcohol as > opposed to methyl > esters, which utilize methanol, or ethyl esters, which use ethanol. > Commonly, most biodiesel > consists of methyl esters and methanol is used since it is cheap and > widely available. > Methanol is priced between $.04-.24/lb [14] and is the fourth largest > organic chemical in the U.S. in terms of volume. Isopropanol, on the > other hand, is priced between $.20 - .34/lb [14], which makes it more > expensive to make isopropyl esters. However, the yield for isopropyl > esters is about 10% more than methyl esters because of the heavier > molecular weight. So, this partially compensates for the increased > cost." > > hth, > andres yver
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