Carbon Capture and Storage
Technologies that capture CO2 from power station emissions or atmosphere and store it permanently in geological formations.
Formula
CO2 captured (tonnes) = Capture efficiency (%) × CO2 produced (tonnes)
Real World
The Sleipner project in the Norwegian North Sea has been injecting roughly 1 million tonnes of CO2 per year into a deep saline aquifer beneath the seabed since 1996, demonstrating long-term geological storage at commercial scale.
Exam Focus
Distinguish between point-source capture (at power stations) and direct air capture — examiners expect you to know both and their relative costs.
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