Pre-Combustion Carbon Capture

In the pre-combustion carbon capture method, the carbon content present in the fossil fuel is removed even before the fuel is fed into the system for electricity generation thereby reducing the emission of carbon dioxide. During this process, the coal is first transformed into syngas, a mixture of carbon monoxide and hydrogen. Subsequently, carbon monoxide is shifted further with water to produce CO2 and more hydrogen. The CO2 is separated from the hydrogen in the separation unit using a solvent. The hydrogen is subsequently combusted in the gas turbine of the power plant to generate electricity with minimal CO2 emissions.

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