微波辐照再生活性炭对苯酚的吸附研究

2020 International Conference on Urban Engineering and Management Science (ICUEMS) Pub Date : 2020-04-01 DOI:10.1109/ICUEMS50872.2020.00126

Wenxin Jiang, Guangyu Zhang, Yanhua Hu, Shuifen Zhan

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引用次数: 0

摘要

研究了活性炭吸附和微波再生对高浓度苯酚的去除效果。实验结果表明，活性炭吸附能有效去除高浓度苯酚，微波再生能回收并提高活性炭容量。微波再生使吸附量从196.4mg g-1增加到271.1mg g-1，表面积从746。Lm2 g-1增加到888.4 m2 g-1，累积孔隙体积从0.37cm2/g增加到0.42cm2/g。此外，再生后的羧基数量显著减少，有效地阻止了水团簇的形成，从而使苯酚更容易在微孔碳表面扩散。

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Adsorption of Phenol by Activated Carbon Regenerated by Microwave Irradiation

The capability of activated carbon adsorption and microwave regeneration to remove high-concentration phenol was investigated in this paper. The experimental results showed that activated carbon adsorption can effectively remove high-concentration phenol, and that microwave regeneration can recover and improve the activated carbon capacity. Microwave regeneration increased adsorption capacity from 196.4mg g-1 to 271.1mg g-1, surface area from 746.lm2 g-1 to 888.4 m2 g-1, and cumulative pore volume from 0.37cm2/g to 0.42cm2/g. In addition, the number of carboxyl groups was significantly reduced after regeneration, effectively preventing the formation of water clusters and consequently making the phenol more easily diffused on microporous carbon surfaces.

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2020 International Conference on Urban Engineering and Management Science (ICUEMS)

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