NDLI: Selective adsorption of carbon dioxide by carbonized porous aromatic framework (PAF)

Content Provider	Royal Society of Chemistry (RSC)
Author	Ben, Teng Yao, Xiangdong Li, Yanqiang Zhu, Liangkui Qiu, Shilun Cao, Dapeng Xiang, Zhonghua Zhang, Daliang
Copyright Year	2012
Abstract	A series of carbonized PAF-1s were obtained with enhanced gas storage capacities and isosteric heats of adsorption (Qst for short). Especially, PAF-1-450 can adsorb 4.5 mmol g−1 CO2 at 273 K and 1 bar. Moreover, it also exhibits excellent selectivity over other gases. On the basis of single component isotherm data, the dual-site Langmuir–Freundlich adsorption model-based ideal adsorption solution theory (IAST) prediction indicates that the CO2/N2 adsorption selectivity is as high as 209 at a 15/85 CO2/N2 ratio. Also, the CO2/CH4 adsorption selectivity is in the range of 7.8–9.8 at a 15/85 CO2/CH4 ratio at 0 < p < 40 bar, which is highly desirable for landfill gas separation. The calculated CO2/H2 adsorption selectivity is about 392 at 273 K and 1 bar for 20/80 CO2/H2 mixture. Besides, these carbonized PAF-1s possess excellent physicochemical stability. Practical applications in capture of CO2 lie well within the realm of possibility.
Starting Page	8370
Ending Page	8376
Page Count	7
File Format	HTM / HTML PDF
ISSN	17545692
Volume Number	5
Issue Number	8
Journal	Energy & Environmental Science
DOI	10.1039/c2ee21935b
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Langmuir Freundlich Pakistan Air Force Adsorption International Alphabet of Sanskrit Transliteration Gas separation
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution Renewable Energy, Sustainability and the Environment Nuclear Energy and Engineering

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