Abstract
The emission of anthropogenic carbon dioxide (CO2) as a result of fossil fuel burning is regarded as a leading cause of global warming and environmental problems. An efficient method to capture CO2 from flue gases is oxy-fuel combustion. CO2 compression and purification unit (CO2CPU) is a promising process to capture CO2 from oxy-fuel combustion flue gases. However, the widespread implementation of this method is encountered with different techno-economical and legal challenges. The present study aims to review the principles and latest advances of CO2CPU process as well as the challenges this process may encounter in the future. The CO2CPU system is introduced and the latest research on the optimization and dynamic investigation of this process are reviewed. In addition, relevant standards and specifications of CO2 product as well as the effect of impurity are collected. Finally, a summary of the future challenges and research directions is presented.
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