One step upcycling CO2 from flue gas into CO using natural stone in an integrated CO2 capture and utilisation system

Natural marble was successfully applied in integrated CO2 capture and utilisation for selectively producing valuable CO. The cheap and easy-accessible marble dust is proven to have a high capacity of CO2 capture (9.4 mmol g−1) and be active in converting the captured CO2 into CO (> 85% CO2 conver...

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Bibliographic Details
Published in:Carbon Capture Science & Technology 2022-12, Vol.5, p.100078, Article 100078
Main Authors: Sun, Shuzhuang, Wang, Yuanyuan, Zhao, Xiaotong, Zhang, Chen, Wu, Chunfei
Format: Article
Language:English
Subjects:
Carbon capture
CO2 conversion
Integrated CO2 capture and utilisation
Reverse water gas shift reaction
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Summary:Natural marble was successfully applied in integrated CO2 capture and utilisation for selectively producing valuable CO. The cheap and easy-accessible marble dust is proven to have a high capacity of CO2 capture (9.4 mmol g−1) and be active in converting the captured CO2 into CO (> 85% CO2 conversion at 650 °C) with almost 100% CO selectivity. Furthermore, the stone material exhibits impressive cycle stability (0.036 mmol g−1 decrease per cycle). This report demonstrates that carbon emission control and CO2 utilisation can be realised over a straightforward process using cheap and robust materials, representing an attractive technology for cost-effective low-carbon technology development.
ISSN:2772-6568
2772-6568
DOI:10.1016/j.ccst.2022.100078