亚甲基蓝作为生物吸附剂在柑桔皮废弃物上的吸附平衡及动力学研究

2016 2nd International Conference of Industrial, Mechanical, Electrical, and Chemical Engineering (ICIMECE) Pub Date : 1900-01-01 DOI:10.1109/ICIMECE.2016.7910435

A. Andreas, J. Reinaldo, Kevin Tertira

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引用次数: 3

摘要

本研究的主要目的是探讨柑桔皮废弃物作为生物吸附剂去除水溶液中亚甲基蓝(MB)的潜在应用。我们将考察不同的吸附参数如MB的初始浓度、吸附时间的影响;吸附剂用量、吸附温度和初始pH对MB吸附的影响。实验发现，染料初始浓度、接触时间和溶液温度对吸附能力有增强作用。采用Langmuir、Temkin和Freundlich三种吸附等温线模型拟合实验数据，研究了吸附平衡。研究发现，Freundlich模型最能代表平衡数据。同时，最佳的吸附动力学模型为拟二级动力学模型。实验结果表明，橙皮废弃物可作为一种有效的生物吸附剂处理染料溶液。

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A study on the adsorption equilibrium and kinetics of methylene blue onto orange peel wastes as biosorbents

The main aim of this work was to explore the potential application of orange peel waste as biosorbents for removing methylene blue (MB) in aqueous solution. We will investigate the effects of different adsorption parameters such as the initial concentration of MB, adsorption time; adsorbent dosage, adsorption temperature and initial pH on MB adsorption. It was found that the adsorption capacity was enhanced as the dye initial concentration, contact time and solution temperature. The adsorption equilibrium was studied by fitting the experimental data by three adsorption isotherms such as Langmuir, Temkin and Freundlich models. It was found that the equilibrium data could be best represented by the Freundlich model. Meanwhile, the best adsorption kinetic model was the pseudo-second-order kinetic model. From the experimental results, it indicated that orange peel waste might be used as effective and efficient biosorbent for the treatment of dye solution.

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来源期刊

2016 2nd International Conference of Industrial, Mechanical, Electrical, and Chemical Engineering (ICIMECE)

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