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Catalyic Converter

2NO + 2CO -----> N2 + 2CO2

• As CO and NO gas molecules diffuse over the catalyic surface. Some molecules are absorbed onto the metal surface.

•  This weakens the bonds and lowers activation energy

• Then after the reaction, the CO2 and N2 products are desorbed from the surface and diffuse away from the catalyic surface.

Carbon Capture and Storage

Methods of CCS include:

• Storage in geological formation such as underground porus rocks and old gas and oil fields
• 
• Reaction with metal oxides to form carbonates. Eg -

          CaO + CO2 ------> MgCO2

Problems - Very slow reaction