Energy balance of global CO₂ recycling and amounts of reduction of CO₂ emission

On the basis of tailoring of amorphous alloy electrodes for seawater electrolysis to form H₂ and amorphous alloy catalysts for conversion of CO₂ to CH₄, we are proposing global CO₂ recycling: At deserts; power generation by solar energy, at coasts close to the deserts; production of H₂ by electrolysis of seawater, production of CH₄ by the reaction of H₂ and CO₂ transported, and at energy consuming districts; combustion of CH₄, recovery of CO₂ and transportation of liquefied CO₂ to the coast close to the deserts. Since Egyptian scientists agree with us to do collaboration, the energy balance and the amount of reduction of CO₂ emission in the global CO₂ recycling between Middle East and Japan are estimated for the operation of a 1 GW CH₄-combustion power plant. The energy consumed in a year up to liquefaction of CH₄ including that corresponding to the repayment of solar power plant is almost the same as that spent up to obtaining LNG. The energy necessary for the global CO₂ recycling is only 8.7% higher than the energy necessary for LNG combustion for power generation without control of CO₂ emission. The extra energy is for recovery, liquefaction and transportation of CO₂. The reduction of CO₂ emission by the global CO₂ recycling is 79% of CO₂ emission from an LNG combustion power plant, that is, 2.62 Mtons/year.