Adsorption of CO<sub>2</sub>on Amine-impregnated Mesorporous Silica

Choi, Sung-Woo

doi:10.5322/jes.2011.20.7.873

Journal of Environmental Science International

2011

DOI: 10.5322/jes.2011.20.7.873

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Adsorption of CO₂on Amine-impregnated Mesorporous Silica

Sung-Woo Choi

Abstract: Adsorption experiment of carbon dioxide was performed on MCM41 silica impregnated with two kinds of EDA(ethylenediamine) and MEA(monoethanolamine). The prepared adsorbents were characterized by BET surface area, X-ray diffraction and FT-IR. The CO2 capture study was investigated in a U type packed column with GC/TCD

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Adsorption Characteristic of Carbon Dioxide on Activated Carbon Impregnated with Piperazine

Choi

2013

Journal of the Environmental Sciences international

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Functionalized adsorbent has been synthesized by piperazine(Pz) on activated carbon. Quantitative estimations of CO2 were undertaken using gas chromatography with GC/TCD and the prepared adsorbents were characterized by BET surface area and FT-IR. It was also studied effect of various parameters such as piperazine loadings and adsorption temperature. The specific surface area decreased from 1212. (50)-AC at 50∼100℃. Therefore, for high temperature flue gas condition, the Pz(10)-AC showed the highest adsorption capacity due to physical adsorption and chemical adsorption by amino-group content. The results suggest that activated carbon impregnated with Pz is an effective adsorbent for CO2 capture from real flue gases above 50℃.

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Adsorption Characteristic of Carbon Dioxide on Activated Carbon Impregnated with Piperazine

Choi

2013

Journal of the Environmental Sciences international

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Adsorption of CO₂on Amine-impregnated Mesorporous Silica

Cited by 1 publication

References 18 publications

Adsorption Characteristic of Carbon Dioxide on Activated Carbon Impregnated with Piperazine

Adsorption Characteristic of Carbon Dioxide on Activated Carbon Impregnated with Piperazine

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Adsorption of CO2on Amine-impregnated Mesorporous Silica

Cited by 1 publication

References 18 publications

Adsorption Characteristic of Carbon Dioxide on Activated Carbon Impregnated with Piperazine

Adsorption Characteristic of Carbon Dioxide on Activated Carbon Impregnated with Piperazine

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Adsorption of CO₂on Amine-impregnated Mesorporous Silica