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2019 world energy kwh/yr 1.71E+14 Gt Carbon 655 tonnes Carbon 6.55E+11 kwh/tonne 9110 total kwh needed 5.96705E+15 kwh/yr 30 yr 1.98902E+14 fraction world yr production 1.16E+00 solar available kwh/hr 1.19444E+14 solar available kwh/yr 1.04633E+18 fraction solar yr...

@3ddave that's what I was hoping for. I needed to bounce this off of people with expertise to test the logic. So unsound mechanism and not enough energy in the world to do it. I actually thought it was possible. At least now I can stop.

@miningman yes sounds like I've got a good source of MgO near Radium. I've read a bit about that project. Carbon removal to correct the excess in the atmosphere is going to be a difficult sale. I seems like governments are providing incentives and directives to reduce CO2 emissions. It's going...

@mintjulep yes I agree. I question the neutral philosophy of carbon fuel production. Sequestration of O2 in the CO2 isn't the correct solution. We aren't even addressing the O2 in H2O from combustion. Who would have thought that we could influence the amount of CO2 and O2 in our bubble?

@greglocock can you suggest a more appropriate site.

This is just a machine. We're good at building machines.

Density MgO 3.58 Density C 3.52 Kind of close but might be enough. Energy can be solar, wind, geothermal, hydro, tidal, perhaps nuclear. I don't think we can afford cooling. Don't want to lose energy in the MgCO3⇌CO2+MgO reaction. Want to recover energy from 2Mg+CO2⇌2MgO+C for electrolysis of...

Q - kiln MgCO3⇌MgO+CO2 R - pure CO2 tank J - Molten MgO K - carbon anode L - molten metal cathode O - CO2 injection site M - carbon to be submerged H2O

@cranky108 80 20 rule. We may have to find $20 per day.

@3ddave. Thanks for the math. 2Mg+CO2⇌2MgO+C 441.5 x 48.61/12 = 1800 GT Mg I'm using tons here. I need about 570000 tons of Mg assuming that a lb of Mg takes 5 min to convert to MgO on pure CO2. About.04 grams of Mg per person. Or 950000 tons of MgO. About .06 grams MgO per person. The Mg is...

If we can built multiple reactors executing this mechanism using clean energy all the excess atmospheric CO2 can be processed.

The problem isn't the mechanism. The problem is the capital investment to build the infrastructure and a design to maximize efficiency. Energy recovery at each step. Energy infrastructure development over the next 30 years could be exponential. Renewable energy cost for survival might be placed...

Do I have the ability to process 2400 Gt of CO2? The answer is no. It's going to require about $5 a person per day for 30 years to do the job. Unfortunately we are going to have to pay up or suffer the consequences.

At this point everything is theoretical. I'm here to invite you to challenge the concept. I've calculated 9110 kWh per tonne C. This is at 100% efficiency. I propose that calcination of MgCO3 be used to collect and concentrate CO2. It's difficult think of the scale but the problem is...

thread730-443054 CO2 can be removed from the atmosphere and separated into solid carbon and oxygen gas. Essentially unburning carbon. Switching to renewable energy sources will reduce CO2 emissions however it won't remove excess CO2 in the atmosphere as a result of the combustion of fossil...