Use of ethanol as an oxygenate what is the alternative

Posted by Cas on September 08, 2013 at 13:50:19 from (74.67.165.216):

I have one question about using ethanol in gas.
Years ago lead was used to increase octane. It was found to be neurotoxic in children and some adults. Quietly the use of lead stopped. The miracle chemical MTBE replaced it and after a period of time it was found to be carcinogenic in alarmingly low doses.
I understand ethanol provides the oxygenate to increase octane with little environmental damage.
A lower quality(cheaper gasoline) can be used with ethanol. Refiners should like it, but do not seem to.
As far as thermodynamic aspect(btu in btu out), the last good article I read was in the June or July 1967 issue of the Scientific American. I took advanced inorganic chemistry over 40 years ago. Seriously thinking about auditing the course so I can figure it out for myself. Too much subjective and not enough accurate quantitative information to reach a meaningful conclusion.
Please tell me where I went off the track.

Replies:

• Re: Use of ethanol as an oxygenate what is the alternative MarkB_MI 17:45:23 09/08/13 (4)
  • Re: Use of ethanol as an oxygenate what is the alternative Cas 23:19:31 09/08/13 (3)
    • Re: Use of ethanol as an oxygenate what is the alternative Cas 23:45:26 09/08/13 (2)
      • Re: Use of ethanol as an oxygenate what is the alternative buickanddeere 05:39:01 09/09/13 (0)
      • Re: Use of ethanol as an oxygenate what is the alternative MarkB_MI 02:40:59 09/09/13 (0)
• Re: Use of ethanol as an oxygenate what is the alternative Dr. Walt 16:53:22 09/08/13 (0)
• Re: Use of ethanol as an oxygenate what is the alternative Frank 41 15:27:33 09/08/13 (0)
• Re: Use of ethanol as an oxygenate what is the alternative TomH in PA 15:10:48 09/08/13 (2)
  • Re: Use of ethanol as an oxygenate what is the alternative gene bender 15:41:04 09/08/13 (1)
    • Re: Use of ethanol as an oxygenate what is the alternative mj 14:53:10 09/09/13 (0)
• Re: Use of ethanol as an oxygenate what is the alternative rrlund 14:09:06 09/08/13 (4)
  • Re: Use of ethanol as an oxygenate what is the alternative Dick L 15:46:39 09/08/13 (3)
    • Re: Use of ethanol as an oxygenate what is the alternative rrlund 16:28:37 09/08/13 (2)
      • Re: Use of ethanol as an oxygenate what is the alternative Dick L 20:35:52 09/08/13 (1)
        • Re: Use of ethanol as an oxygenate what is the alternative rrlund 05:25:49 09/09/13 (0)

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