以模板法结合化学活化法制备了具有分级结构的纳米孔炭.分别利用氮气吸附法和热重分析法考查KOH活化程度对模板法制备中孔炭的孔结构的影响和不同孔结构的多孔炭对CO2的吸附性能.结果表明,KOH活化不仅增加了大量的微孔,而且使得模板脱除得到的中孔数量降低.中孔吸附CO2对孔表面的利用率最高,而中孔和微孔的合适配比更有利用综合提高CO2的吸附量.制备的纳米孔炭具有较高的CO2吸附量和较好的循环性能和稳定性.
参考文献
| [1] | Ryan P. Lively;Ronald R. Chance;William J. Koros .Enabling Low-Cost CO2 Capture via Heat Integration[J].Industrial & Engineering Chemistry Research,2010(16):7550-7562. |
| [2] | Walton, KS;Abney, MB;LeVan, MD .CO2 adsorption in Y and X zeolites modified by alkali metal cation exchange[J].Microporous and Mesoporous Materials,2006(1/3):78-84. |
| [3] | Rui P. Ribeiro;Ticiane P. Sauer;Filipe V. Lopes .Adsorption of CO2, CH4, and N2 in Activated Carbon Honeycomb Monolith[J].Journal of Chemical and Engineering Data: the ACS Journal for Data,2008(10):2311-2317. |
| [4] | Mohammad Saleh Shafeeyan;Wan Mohd Ashri Wan Daud;Amirhossein Houshmand;Arash Arami-Niya .Ammonia modification of activated carbon to enhance carbon dioxide adsorption: Effect of pre-oxidation[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2011(9):3936-3942. |
| [5] | Ramesh Thiruvenkatachari;Shi Su;Hui An;Xin Xiang Yu .Post combustion CO_2 capture by carbon fibre monolithic adsorbents[J].Progress in energy and combustion science,2009(5):438-455. |
| [6] | Hongqun Yang;Zhenghe Xu;Maohong Fan .Progress in carbon dioxide separation and capture:A review[J].Journal of environmental sciences,2008(1):14-27. |
| [7] | C F Martín;M G Plaza;J J Pis et al.On the limits of CO capture capacity of carbons[J].Separation and Purification Technology,2010,74:225-229. |
| [8] | Ryoo R.;Kruk M.;Jaroniec M.;Joo SH. .Ordered mesoporous carbons[J].Advanced Materials,2001(9):677-681. |
| [9] | Darmstadt H.;Roy C.;Kaliaguine S.;Choi SJ.;Ryoo R. .Surface chemistry of ordered mesoporous carbons[J].Carbon: An International Journal Sponsored by the American Carbon Society,2002(14):2673-2683. |
| [10] | Magdalena Sobiesiak.以不同聚合物和有机前驱体模板法制备纳米孔炭及其热性能[J].新型炭材料,2012(05):337-343. |
| [11] | C Yang;C Weidenthaler;B Spliethoff et al.Facile template synthesis of ordered mesoporous carbon with polypyrrole as carbon precursor[J].Chemistry of Materials,2005,17:355-358. |
| [12] | QLi;JYang;DFeng et al.Facile synthesis of porous carbon nitride spheres with hierarchical three-dimensional mesostructures for CO2 capture[J].Nano Res,2010,3:632-642. |
| [13] | 陆安慧,Wolfgang Schmidt,Ferdi Schüth.结构有序、双重孔隙中孔炭材料的合成与表征[J].新型炭材料,2003(03):181-185. |
| [14] | W.M.Qiao;Y.Song;S.H.Hong;S.Y.Lim;S.-H.Yoon .Development of Mesophase Pitch Derived Mesoporous Carbons through a Commercially Nanosized Template[J].Langmuir: The ACS Journal of Surfaces and Colloids,2006(8):3791-3797. |
| [15] | Tang ZH;Song Y;Tian YM;Liu L;Guo QG .Pore development of thermosetting phenol resin derived mesoporous carbon through a commercially nanosized template[J].Materials Science & Engineering, A. Structural Materials: Properties, Misrostructure and Processing,2008(1/2):153-157. |
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