Carbon dioxide capture and utilization in post-combustion: a review.

This review article presents a comprehensive study of carbon dioxide (CO2) capture and utilization methods from post-combustion processes. The article highlights the need for effective carbon capture and utilization strategies. The molecular interaction mechanisms for CO2 adsorption are discussed, including chemical and physical adsorption and the role of oxygen, nitrogen, and sulfur-containing functional groups. The interaction of CO2 and functional groups in the presence of moisture is also explored. Next, various CO2 capture techniques are examined, including absorption-based, adsorption-based, membrane-based, and chemical looping-based methods. These approaches are analyzed by their efficiency and applicability in post-combustion scenarios. The article explores the utilization of captured CO2 in different applications. Enhanced oil recovery (EOR) is discussed as an alternative method to conventional oil recovery, highlighting using polymer flooding combined with CO2 injection as a highly efficient technique. Additionally, the utilization of CO2 in the food and beverage industry is examined, focusing on its role in food preservation, extraction processes, and packaging applications. The article also delves into using CO2 as a renewable and green carbon source in polymer production. Sustainable polymers such as polyethylene furan dicarboxylate (PEF) and poly(hydroxy urethane-ureas) (PHUUs) are highlighted, along with the utilization of supercritical CO2 in micro-cellular plastic and elastomer production. The article concludes by discussing future opportunities and potential applications of CO2 capture and utilization, emphasizing the importance of developing cost-effective and environmentally friendly solutions. Overall, this review article provides valuable insights into the advancements and potential of using absorbed CO2 from post-combustion processes for various applications.