期刊
JOURNAL OF APPLIED PHYSICS
卷 116, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4892458
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资金
- IITM, Office of Alumini affairs IITM
- DST, India
Cost effective and efficient methods for CO2 capture are the need of the hour to render the clean environment in the era of rising energy demand. Here, we report the physicochemical adsorption of carbon dioxide (CO2) in iron oxide decorated graphene nanocomposite at elevated pressures and temperatures. Nanocomposite was prepared by scalable and cost effective technique and its suitability for CO2 capture was studied at elevated pressures (3-13 bar) and temperatures (25-100 degrees C) using Sieverts apparatus. The higher CO2 capture capacities of 60, 35, and 24 mmol g(-1) were observed at 11 bar pressure and 25, 50, and 100 degrees C, respectively, compared to other studied porous materials. Nature of interaction (Physicochemical adsorption) of CO2 with nanocomposite was identified using Fourier transform infrared spectroscopy. Degassing was performed to examine the recovery of nanocomposite. (C) 2014 AIP Publishing LLC.
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