Investigation of applicability of the various adsorption models of methylene blue adsorption onto lignite/water interface

S. Karaca; A. Guerses; R. Bayrak

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Investigation of applicability of the various adsorption models of methylene blue adsorption onto lignite/water interface

机译：亚甲基蓝在褐煤/水界面吸附的各种吸附模型的适用性研究

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Methylene blue adsorption isotherms for raw and pyrolysed coal samples were determined at 20℃. The raw coal sample showed the highest adsorption capacity. It was observed that adsorption capacity generally decreased with increasing pyrolysis temperature. The sample pyrolysed at 700℃ exhibited the lowest adsorption capacity. The experimental data obtained were applied to the Freundlich, Langmuir, BET, Halsey, Harkins-Jura, Smith and Henderson isotherm equations to test the fitness of these equations to raw and pyrolysed coal samples. By considering the experimental results and adsorption models applied in this study, it can be concluded that adsorption of methylene blue occurs through physical interactions, and the lignite sample has a mesoporous structure.

机译：在20℃下测定原煤和热解煤样品的亚甲基蓝吸附等温线。原煤样品显示出最高的吸附能力。观察到吸附容量通常随着热解温度的升高而降低。 700℃热解的样品吸附量最低。将获得的实验数据应用于Freundlich，Langmuir，BET，Halsey，Harkins-Jura，Smith和Henderson等温方程，以测试这些方程对原煤和热解煤样品的适用性。通过考虑实验结果和本研究中应用的吸附模型，可以得出结论，亚甲基蓝的吸附是通过物理相互作用发生的，褐煤样品具有中孔结构。

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来源
《Energy Conversion & Management》 |2005年第1期|p.33-46|共14页
作者
S. Karaca; A. Guerses; R. Bayrak;
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作者单位

Department of Chemistry, Ataturk University, Fen-Edebiyat Fakueltesi, 25240 Erzurum, Turkey;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类能源与动力工程;
关键词
adsorption isotherms; lignite; pyrolysis; functional groups; cationic dye;

机译：吸附等温线;褐煤;热解;官能团;阳离子染料;

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Investigation of applicability of the various adsorption models of methylene blue adsorption onto lignite/water interface

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