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活性炭材料的孔径结构对SO2吸附性能的影响

DOI: 10.11830/ISSN.1000-5013.2014.03.0293

Keywords: 活性炭, 孔径结构, SO2吸附, 吸附动力学

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Abstract:

为了研究在常温下活性炭材料孔径结构及材料形态对SO2吸附性能的影响,以5种不同孔径结构的沥青基活性炭纤维及活性炭颗粒为材料,通过吸附动力学模型的拟合,考查了活性炭孔径结构及材料形态与SO2吸附速率的关系.结果表明:较小的微孔径结构更有利于SO2的吸附;不同孔径结构的活性炭材料对SO2的吸附均符合Bangham动力学过程,活性炭纤维的吸附速率随孔径的增大而增大;活性炭颗粒因其形态结构的差异,吸附速度较活性炭纤维慢,吸附效

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