<P>In this study, we developed a new CO2 adsorbents based on graphite oxide (GO) modified with amine groups from polyethylenimine. GO was prepared by a modified Hummers' method. An investigation of CO2 adsorption by the polyethylenimine-impregna...
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https://www.riss.kr/link?id=A107492360
2016
-
SCI,SCIE,SCOPUS
학술저널
14351-14359(9쪽)
0
상세조회0
다운로드다국어 초록 (Multilingual Abstract)
<P>In this study, we developed a new CO2 adsorbents based on graphite oxide (GO) modified with amine groups from polyethylenimine. GO was prepared by a modified Hummers' method. An investigation of CO2 adsorption by the polyethylenimine-impregna...
<P>In this study, we developed a new CO2 adsorbents based on graphite oxide (GO) modified with amine groups from polyethylenimine. GO was prepared by a modified Hummers' method. An investigation of CO2 adsorption by the polyethylenimine-impregnated GO showed that the CO2 adsorption capacity increased with increasing polyethylenimine content. Polyethyleneimine increases the amount of adsorption of CO2 resulting from a chemical bond. The polyethylenimine-impregnated GO exhibited higher CO2 adsorption capacity than pristine GO. From the results, the maximum CO2 adsorption capacity and CO2/N-2 selectivity were 32.89 mg g(-1) and 37.13, respectively, at a polyethylenimine content of 60 wt%. (C) 2016 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.</P>