Any chemists on board?  This sounds much better than Methane reactor.

Kirk

 http://www.sciencemadness.org/talk/viewthread.php?tid=169

methanol from CO2

I recently tried this process, which describes the conversion of CO2 into
methanol, utilizing an electric cell...
I did not have success, i think the current density was too high.
The patent text itself doesnt lose a single word about the preferred current
density....

United States Patent 3,959,094
Steinberg May 25, 1976

EXAMPLE

A 33% aqueous KOH solution containing 3.2% CO.sub.2 is circulated through
absorber 12 countercurrent to air until the KOH solution is 50% converted to
K.sub.2 CO.sub.3 and containing 6.5% CO.sub.2. The potassium
hydroxide-carbonate solution is electrolyzed with at least 1.4 volts D.C.
current until 50% of the dissolved CO.sub.2 is converted to CH.sub.3 OH. The
concentration of methanol is 2.3% by weight. All the methanol is essentially
distilled from solution and recovered.

The energy requirements for the above are as follows:


Energy for CO.sub.2 absorption from air and
distillation of methanol
0.8
Energy for electrolytic reduction
3.6
4.4 Kwh
per lb. of CH.sub.3 OH
This is equivalent to 29.0 Kwh(e)/gal-
lon CH.sub.3 OH




[Non-text portions of this message have been removed]


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