CompuServe Messages

Hi, Darkfyre– The CO2 could be brought to the moon; in the process I described, it was serving as a catalyst, being freed by the heating for reuse, so maybe not too much would be needed. Catch a comet (lots of H2O, CO2, etc.) and drop it on the moon? Within a megayear, you should have tons of CaO… when asking geologists for a process, be sure to specify a time limit 🙂 Your mention of fractional-distilling lunar rock leads me to wonder if there is some small fraction of CaO already in some type of lunar rock, waiting to be distilled out. Now we know you want it for CO2-scavenging, it seems worthy to consider what other substances more easily obtained from lunar rocks might do the job. It seems many oxides would be candidates – what oxides are found on the moon, folks? But… bring a little CaO from earth. Use it to soak up CO2, take the precipitated CaCO3 to the solar furnace, bring back the CaO, start over. Any water that goes with the CaCO3 can be collected from the vapors, so both Ca and H2O are catalysts – it seems little Ca need be lost if one is careful. –Doug