用比表面积1183m2/g的活性炭和酚醛树脂分别作为吸附剂和粘结剂,考察了成型工艺对活性炭孔结构及其CO2吸附性能的影响.结果表明,活性炭成型后,比表面积有所下降,但对成型活性炭进行CO2二次物理活化可使其比表面积提高60.7%;粘结剂含量为30wt%、成型压力10MPa条件下所制的成型活性炭在800℃用CO2二次活化2h后,其比表面积、压缩强度和对CO2的平衡吸附量分别为1323m2/g、12.7MPa和0.67mmol/g.
参考文献
[1] | C. Pevida;T.C. Drage;C.E. Snape .Silica-templated melamine-formaldehyde resin derived adsorbents for CO2 capture[J].Carbon: An International Journal Sponsored by the American Carbon Society,2008(11):1464-1474. |
[2] | C. Pevida;M.G. Plaza;B. Arias;J. Fermoso;F. Rubiera;J.J. Pis .Surface modification of activated carbons for CO_2 capture[J].Applied Surface Science: A Journal Devoted to the Properties of Interfaces in Relation to the Synthesis and Behaviour of Materials,2008(22):7165-7172. |
[3] | B.H. Hameed;M.I. El-Khaiary .Equilibrium, kinetics and mechanism of malachite green adsorption on activated carbon prepared from bamboo by K_2CO_3 activation and subsequent gasification with CO_2[J].Journal of hazardous materials,2008(2/3):344-351. |
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