After the introduction of the Kyoto Climate Change protocol in the 1990s, a significant push has occurred around the world to capture CO2 from point sources of emissions and store the CO2 underground, to avoid release to the atmosphere. These schemes are generally referred to as Carbon Capture and Storage (CCS). Some CCS schemes inject the CO2 for storage in oil reservoirs, which results in Enhanced Oil Recovery (EOR) via a process called “Miscible Flooding”. While this is a clever and valuable way of storing the CO2 and producing more oil, forecasts are that there will be much more CO2 available than is needed for EOR schemes.
CRH is therefore complementary to CCS schemes, since it aims to utilize the excess CO2 generated from CCS to create hydrocarbon products and add new value to the CO2 that would otherwise have no other value and would simply be stored underground with no further use. Hence, CRH can be considered a form of Carbon Capture and Utilization, (CCU) that goes hand-in-hand with CCS.
Logic for Value Creation/Environmental Footprint (Today CCS, tomorrow CCS+CCU/CCR):
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