In this paper, a new power generation process based on oxyfuel and PFBC-CC is proposed, which has advantages in thermal performance, emissions and footprint. Five cases in total are modeled by using Aspen Plus™ and GateCycle™. The simulation indicates that the efficiency of the new process is 4% higher than existing ambient oxyfuel power generation process. The performance of the base case is compared with two existing oxyfuel cases to identify the potentials of the new process. Thermodynamic benefit of the new process is reasonably explained by introducing a concept of “non-stack combined cycle”. The waste heat recovery from gas turbine exhaust gas is discussed and compared. In addition, impacts on performance of key parameters are investigated.

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