UCG: Underground Coal Gasification Reduced Carbon Footprints and Clean Air Syngas Application
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Reduced Carbon Footprint and Cleaner Air

Reduced Emissions
Underground Coal Gasification ("UCG") reduces harmful emissions and the carbon footprint of coal when used for electricity production.


Electricity Production
A syngas fuelled Combined Cycle Gas Plant (CCGP) produces electricity with a +20% carbon saving compared with conventional coal-fired power stations.


Carbon Capture and Storage ("CCS")
Carbon-rich flue gases from a CCGP plant can be captured and stored leading to a 60~70% CO2 reduction.

The captured flue gases containing carbon dioxide can be safely stored underground in the cavities created by the UCG process:

  • Spent reactor chambers create storage space for carbon dioxide

  • Below 700m carbon dioxide is stored as a liquid

  • Surrounding coal is ideal for trapping carbon dioxide for a long period of time

    • +20% carbon saving from UCG
    • ~70% carbon saving with CSS
    • Reduced sulphur dioxide and other sulphur oxides (SOx)
    • Reduced nitrogen oxides (NOx)