CO2 Capture and Sequestration

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Carbon dioxide (CO2) capture and sequestration (CCS) can significantly reduce emissions from large stationary sources of CO2, which include coal- and natural-gas-fired power plants, as well as certain industry types such as ethanol and natural gas processing plants. CO2 can be captured using different methods. The main ones are: post-combustion, pre-combustion and oxyfuel. Post-combustion technology removes CO2 from the flue gases that result from burning fossil fuels. Pre-combustion methods – carried out before burning the fossil fuel – involve converting the fuel into a mixture of hydrogen and CO2. CO2 could also be used to produce commercially marketable products. This is commonly known as carbon capture storage and utilization (CCSU).