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One of the main challenges of carbon capture and storage technologies deals with the energy penalty associated with CO 2 separation and compression processes. Thus, heat integration plays an essential role in the improvement of these systems’ efficiencies. CO 2 capture systems based on Ca-looping process present a great potential for residual heat integration with a new supercritical...
We present exergy and economic analyses for two potential advanced coal-based power plants with CO 2 capture and sequestration. Each system generates three products: electricity, carbon dioxide compressed to 15MPa, and pre-calcined feedstock for cement kilns. First, we analyzed a system that integrates a CaO-looping gasifier with a solid oxide fuel cell (SOFC), labeled here as IGFC–CCS. The...
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