2 ms·
>I'm curious why you wouldn't just bury the calcium carbonate pellets at this point Potassium hydroxide absorbs carbon dioxide: 2 KOH + CO2 >> K2CO3 + H2O Ca
by scythe 8y ago
>I'm curious why you wouldn't just bury the calcium carbonate pellets at this point
Potassium hydroxide absorbs carbon dioxide:
2 KOH + CO2 >> K2CO3 + H2O
Calcium oxide regenerates potassium hydroxide:
CaO + K2CO3 + H2O >> CaCO3 + 2 KOH
Calcium oxide is recovered by heating:
CaCO3 + heat >> CaO + CO2