Journal
JOURNAL OF ENVIRONMENTAL CHEMICAL ENGINEERING
Volume 10, Issue 3, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jece.2022.107564
Keywords
Metal-organic framework; CO2 capture; Cu-BTC; Bromo functionalization; Water stability
Categories
Funding
- National Natural Science Foundation of China [21776294]
- Central Government Funds of Guiding Local Scientific and Technological Development for Sichuan Province [2021ZYD0044]
- Shanxi Province Key R&D Program (International Cooperation) [201903D421083]
- Project of International Cooperation and Exchange NSFC-RFBR [22011530069]
- Russian Foundation for Basic Research [20-53-53018]
- Joint Fund of the Yulin University
- Dalian National Laboratory for Clean Energy [2021005]
- Young Talent Training Program of State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, CAS [2021BWZ004]
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The novel composite Cu-BTC-(n)Br/MCFs synthesized in this study showed promising CO2 adsorption capacity and effectiveness, as well as good stability in multiple adsorption-desorption cycles. The material has potential applications in practical CO2 capture scenarios.
In this study, a novel composite Cu-BTC-(n)Br/MCFs was successfully synthesized by solvothermal method. The composites were characterized by XRD, N-2 adsorption and desorption, SEM, FT-IR, TG, and water vapor adsorption technologies. Meanwhile, the CO2 adsorption isotherms were obtained using the static adsorption instrument which could be well fitted by the Langmuir-Freundlich model. The Cu-BTC-0.05Br/MCFs exhibited a good CO2 adsorption capacity of 2.44 mmol/g which was basically maintained after five adsorption-desorption cycles. More importantly, the Cu-BTC-0.05Br/MCFs also showed remarkable adsorption effectivity that was an increase of 8.7% than the Cu-BTC/MCFs at 35 degrees C and 1 bar after water treatment. The Cu-BTC-(n)Br/MCFs were promising candidate materials for effectively CO2 capture in practical application.
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