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The Sabatier reaction or Sabatier process was discovered by the French chemist Paul Sabatier in the 1910s. It involves the reaction of hydrogen with carbon dioxide at elevated temperatures (optimally 300–400 °C) and pressures in the presence of a nickelcatalyst to produce methane and water. Optionally, ruthenium on alumina (aluminium oxide) makes a more efficient catalyst. It is described by the following exothermic reaction:
- CO2 + 4 H2 → CH4 + 2 H2O + energy
- ∆H = −165.0 kJ/mol
- (some initial energy/heat is required to start the reaction)
So we take in air above a town or city, and increase the pressure 2.5 fold. This gives us a temperature of 520oC. Suddenly hydrogen and CO2 react to form methane and water. We pass the pressurised gas throua pipe with a semipermeabel membrane in, so we get pressurised CO2.
The pressurised airt we take off to preheat H gas, we have produced via the electrolysis of water. So it enters our reactor vessel at 520oC. We get methan and water formnig at the base of the chamber.
We take our, and vent some of the pressure – so we condense out water. We vent the pressure, so the methane is below -79oC – and the methane condenses. And we can pump it off to gas users.
So we suck CO2 from the air, and when the metahne is burn, we return ti to the air. So it is a 0 carbon fuel – it does not add CO2 to the air.
And it only costs 2% of Fossil Fuels gas. So we save the planet, and the gas is far cheaper. So British Gas no lon ger extracts gas from the need – it makes it from the CO2 in the air.
This thermodynamic trick explains why seam turns carbohydrates int ohydrocarbon fuel:
2 Cm(H2O)n+H2Os+P+T->CmHn+n/4H2+H2Os+E we can use the h as a fuel gas
So at pressure, oxygen leaving carbohydrates gives out heat. So the steam gets hotter – and we just pump it around, until the carbohydrate is used up.
We drip the fuel oil onto a Ti honecomb, so the C8 fuel ends up as C12-c16 fuel: diesel and petrol. So have a steam cracker at your house, and power you car from you garden waste. Particularly the grass.
Or mow the grass for olf people in the area – and sell your excess bio-diesel.