| Title | Capture and Reuse of Carbon Dioxide (CO2) for a Plastics Circular Economy: A Review |
|---|---|
| ID_Doc | 3919 |
| Authors | Costa, LPD; de Miranda, DMV; de Oliveira, ACC; Falcon, L; Pimenta, MSS; Bessa, IG; Wouters, SJ; Andrade, MHS; Pinto, JC |
| Title | Capture and Reuse of Carbon Dioxide (CO2) for a Plastics Circular Economy: A Review |
| Year | 2021 |
| Published | Processes, 9, 5 |
| Abstract | Plastic production has been increasing at enormous rates. Particularly, the socioenvironmental problems resulting from the linear economy model have been widely discussed, especially regarding plastic pieces intended for single use and disposed improperly in the environment. Nonetheless, greenhouse gas emissions caused by inappropriate disposal or recycling and by the many production stages have not been discussed thoroughly. Regarding the manufacturing processes, carbon dioxide is produced mainly through heating of process streams and intrinsic chemical transformations, explaining why first-generation petrochemical industries are among the top five most greenhouse gas (GHG)-polluting businesses. Consequently, the plastics market must pursue full integration with the circular economy approach, promoting the simultaneous recycling of plastic wastes and sequestration and reuse of CO2 through carbon capture and utilization (CCU) strategies, which can be employed for the manufacture of olefins (among other process streams) and reduction of fossil-fuel demands and environmental impacts. Considering the previous remarks, the present manuscript's purpose is to provide a review regarding CO2 emissions, capture, and utilization in the plastics industry. A detailed bibliometric review of both the scientific and the patent literature available is presented, including the description of key players and critical discussions and suggestions about the main technologies. As shown throughout the text, the number of documents has grown steadily, illustrating the increasing importance of CCU strategies in the field of plastics manufacture. |
| https://www.mdpi.com/2227-9717/9/5/759/pdf?version=1619674269 |
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