Capture:

The first stage in the CCS process is the capture of CO₂ released during the burning of fossil fuels, or as a result of industrial processes such as making cement, steel or in the chemical industry.Capture technologies separate carbon dioxide from gases in electricity generation and may be done in at least three different ways: pre-combustion capture, post-combustion capture and oxy-fuel combustion.

(1) Post-Combustion: