Thanks for the explanations. Wouldn't ethanol be a good end-goal if not a good feedstock?
On Thu, 3 Jul 2003 13:06:43 -0600, you wrote: >True, but, this method also gives of CO2 as well as the H2. These two >together, are precursors for Methanol which is a basic feedstock for many of >the common chemicals made / used today, in the petrochemical industry. >With the right catalyst, H2 and CO2 can be made into a multitude of >different products ( including gasoline ). I know, I said the bad " G " >word, but, let's face it, this world is not going to get of it's habit >over night. > >One thing about this method, is that by altering the metal catalyst a bit, >you produce CH4 -- methane, which is another petrochemical feedstock, as >well as the H2 and CO2. I think that in the future, that if any >petrochemical wants to truly be green, this might be one of the way they >will do it, for their raw feedstock. Ethanol has a few things that detract >from it as a feedstock, namely a higher carbon to hydrogen ratio, not much, >but, enough to cause an increase in cost, of manufacture, because of the >need to do something with it, be it getting rid of it or collecting it for >other purposes. Another problem with ethanol, is it's affinity for water, >the added cost of denaturing, and the denaturing materials themselves, all >of which may be unsuitable for feedstock purposes. On the other hand, the >CO2 and H2 or the CO2, H2, and CH4 ( depending on the catalyst and what the >final product is to be ) would be a good starting feedstock. > >Greg H. ------------------------ Yahoo! Groups Sponsor ---------------------~--> Save on Coral Calcium. Get Better Health and Stronger Bones. Seen on TV http://www.challengerone.com/t/l.asp?cid-2805&lp=calcium2.asp http://us.click.yahoo.com/9gf46B/EfUGAA/ySSFAA/FGYolB/TM ---------------------------------------------------------------------~-> Biofuel at Journey to Forever: http://journeytoforever.org/biofuel.html Biofuels list archives: http://archive.nnytech.net/ 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/
