請用此 Handle URI 來引用此文件: http://hdl.handle.net/11455/70573
標題: Adsorption, Desorption, and Thermodynamic Studies of CO2 with High-Amine-Loaded Multiwalled Carbon Nanotubes
作者: Su, F.S.
Lu, C.S.
Chen, H.S.
關鍵字: mesoporous molecular-sieve
metal-organic frameworks
flue-gas
activated carbon
high-capacity
natural-gas
capture
dioxide
separation
zeolites
期刊/報告no:: Langmuir, Volume 27, Issue 13, Page(s) 8090-8098.
摘要: Commercially available multiwalled carbon nanotubes (CNTs) were functionalized with a high mass load of 3-aminopropyltriethoxysilane (APTS) to study their behaviors in the cyclic CO2 adsorption as well as the associated thermodynamic properties. The breakthrough curve showed a fast kinetics of CO2 adsorption resulting in percentage ratios of working capacity to equilibrium capacity greater than 80%. The adsorption capacity of CNT(APTS) was significantly influenced by the presence of water vapor and reached a maximum of 2.45 mmol/g at a water vapor of 2.2%, The adsorption capacities and the physicochemical properties of CNT(APTS) were preserved through 100 adsorption-desorption cycles displaying the stability of CNT(APTS) during a prolonged cyclic operation. The heat input required to regenerate spent CNT(APTS) was determined, and the result suggests that adsorption process with solid CNT(APTS) is possibly a promising CO2 capture technology.
URI: http://hdl.handle.net/11455/70573
ISSN: 0743-7463
文章連結: http://dx.doi.org/10.1021/la201745y
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