> This article isn't very clear on the fact that CO2 can be re-injected back into the cement later in the production stage.
How can that work? The calcium oxide (or hydroxide) reacts with silica to make silicates, which bind things together. That CaO which reacted is not available to soak up CO2.
How can that work? The calcium oxide (or hydroxide) reacts with silica to make silicates, which bind things together. That CaO which reacted is not available to soak up CO2.