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Influence of different surface modification treatments on biomass based carbons and their effects on adsorption of carbon dioxide
Tao Zhiwei,Song Min * #,Wu Jian,Chen Yuxia ,Chen Sheng ,Yang Keyun
School of Energy and Environment, Southeast University, Nanjing, 210096, China.
*Correspondence author
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Funding: none
Opened online:27 March 2013
Accepted by: none
Citation: Tao Zhiwei,Song Min ,Wu Jian.Influence of different surface modification treatments on biomass based carbons and their effects on adsorption of carbon dioxide[OL]. [27 March 2013] http://en.paper.edu.cn/en_releasepaper/content/4531603
 
 
Surface modification of biomass based carbon with nitrogen containing functional groups is performed using the different modification method, including the thermal and chemical methods. We also investigate the effect of the different reaction parameters on their pore structure using the Brunauer-Emmett-Teller (BET) surface area and adsorption performance based on methylene blue (MB) value. Fourier transforms infrared spectroscopy (FT-IR) methods are performed to confirm the presence of N-containing groups. Based on above results, the comparison effect of different modification methods on physico-chemical propriety and adsorption properties of biomass based carbon materials are carried out. In conclusion, all modification methods could enhance CO2 adsorption capability. However, the carbon materials treated with ammonia using thermal method show the best performance.
Keywords:Activated carbon; Functional groups; Porosity; Surface modification; CO2 adsorption
 
 
 

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