以中间相炭微球(MCMBs)为原料,采用KOH、K2CO3分别对MCMBs进行活化,比较活化效果,发现KOH是一种有效的活化剂,通过KOH活化制备出比表面积达2775 m2/g的活性炭.对活性炭进行XRD、BET比表面积与SEM分析,发现活化后MCMBs的石墨微晶结构被破坏,所制得的活性炭是由无定形组织构成的.活化机理为一系列的化学反应与钾插入石墨微品片层的共同作用.
参考文献
| [1] | Zengmin shen Ruisheng xue .Preparation of activated mesocarbon microbeads with high mesopore content[J].Fuel Processing Technology,2003(1/3):95-103. |
| [2] | Chiaki Ishii;Katsumi Kaneko .Surface and physical properties of micropomus carbon spheres[J].Progress in organic Coatings,1997,31(1-2):147-152. |
| [3] | 苏伟,周亚平,魏留芳,孙艳,周理.微孔结构与表面改性对活性炭吸附储氢能力的影响[J].新型炭材料,2007(02):135-140. |
| [4] | Ru-Ling Tseng;Szu-Kung Tseng .Pore structure and adsorption performance of the KOH-activated carbons prepared from corncob[J].Journal of Colloid and Interface Science,2005(2):428-437. |
| [5] | Wenming Qiao;Yozo Korai;Isao Mochida .Preparation of an activated carbon artifact: factors influencing strength when using a theroplastic polymers as binder[J].Carbon: An International Journal Sponsored by the American Carbon Society,2001(15):2355-2368. |
| [6] | 王芙蓉,李开喜,吕永根,李强,吕春祥,孙成功.酚醛树脂基活性炭微球的电化学性能Ⅱ.作为EDLC电极材料的活性炭微球的制备及电化学性能[J].新型炭材料,2006(03):219-224. |
| [7] | 郭波,常丽萍,李春虎,谢克昌.活性炭上CS2与CO2混合气体的吸附模型[J].煤炭转化,2006(02):66-69. |
| [8] | S.Zhang;S.A.Stewart;T.D.Hatchard;J.R.Dahn .Thermal runaway prediction for impregnated activatd carbons from isothermal DSC measurements[J].Carbon: An International Journal Sponsored by the American Carbon Society,2003(5):903-913. |
| [9] | 杨超,童志权,黄妍.活性炭上氨低温选择催化还原NOx研究[J].煤炭转化,2006(01):77-80. |
| [10] | Yi Cheng Liu;Xin Ping Qiu;Yu Qing Huang .Methanol electro-oxidation on mesocarbon microbead suported Pt catalysts[J].Carbon: An International Journal Sponsored by the American Carbon Society,2002(13):2375-2380. |
| [11] | Jun'ichi Hayashi;Toshihide Horikawa;Katsuhiko Muroyama;Vincent G. Gomes .Activated carbon from chickpea husk by chemical activation with K_2CO_3: preparation and characterization[J].Microporous and Mesoporous Materials,2002(1):63-68. |
| [12] | J.Hayashi;N.Yamamoto;T.Horikawa;K.Muroyama;V.G.Gomes .Preparation and characterization of high-specific-surface-area activated carbons from K_2CO_3-treated waste polyurethane[J].Journal of Colloid and Interface Science,2005(2):437-443. |
| [13] | Hayashi J.;Uchibayashi M.;Horikawa T.;Muroyama K.;Gomes VG. .Synthesizing activated carbons from resins by chemical activation with K2CO3[J].Carbon: An International Journal Sponsored by the American Carbon Society,2002(15):2747-2752. |
| [14] | G.G.Stavropoulos .Precursor materials suitability for super activated carbons production[J].Fuel Processing Technology,2005(11):1165-1173. |
| [15] | Zhonghua Hu;M.P.Srinivasan;Yaming Ni .Novel activation process for preparing highly microporous and mesoporous activated carbons[J].Carbon: An International Journal Sponsored by the American Carbon Society,2001(6):877-886. |
| [16] | Guo YP.;Yang SF.;Yu KF.;Zhao JZ.;Wang ZC.;Xu HD. .The preparation and mechanism studies of rice husk based porous carbon[J].Materials Chemistry and Physics,2002(3):320-323. |
| [17] | M.A. Lillo-Rodenas;D. Cazorla-Amoros;A. Linares-Solano .Understanding chemical reactions between carbons and NaOH and KOH An insight into the chemical activation mechanism[J].Carbon: An International Journal Sponsored by the American Carbon Society,2003(2):267-275. |
| [18] | Lu CL;Xu SP;Gan YX;Liu SQ;Liu CH .Effect of pre-carbonization of petroleum cokes on chemical activation process with KOH[J].Carbon: An International Journal Sponsored by the American Carbon Society,2005(11):2295-2301. |
| [19] | Okada K.;Yamamoto N.;Kameshima Y.;Yasumori A. .Porous properties of activated carbons from waste newspaper prepared by chemical and physical activation[J].Journal of Colloid and Interface Science,2003(1):179-193. |
| [20] | Nemirovsky D;Moreh R;Kaneko K et al.Kinetic energy of neon atoms adsorbed oll activated carbon[J].Surface Science,2003,526(03):285. |
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