Mung Bean Shell (Vigna radiata L. Wilczek) - A Novel Cost-effective Adsorbent for Removing Methylene Blue from Aqueous Solutions

机译：绿豆壳（Vigna Radiata L. Wilczek） - 一种用于从水溶液中除去亚甲基蓝的成本效益的吸附剂

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The aim of this study was to establish an economical and environmentally benign biosorbent for removing synthetic dyes (e.g. methylene blue, MB) from wastewater. The adsorption process of MB onto abandoned mung bean (Vigna radiata L. Wilczek) shell (MBS) was investigated in a batch system. The results showed that a wide range of pH (3.74 to 9.78) was favorable for the adsorption of MB onto MBS. Equilibrium studies indicated that the Langmuir model displayed the best fit for the isothermal adsorption data. The maximum monolayer adsorption capacity (165.92 mg g~(-1)) calculated by the Langmuir equation was higher than that of many previously investigated low-cost bioadsorbents (e.g., peanut hull, wheat straw, etc.). The adsorption process best fitted pseudo-second-order kinetic model. Thermodynamic studies showed that the adsorption process was spontaneously, exothermic and was mainly a physisorption. This study indicates that MBS is a promising, unconventional, affordable and environmentally friendly bio-measure that is easily deployed for removing cationic dyes from wastewater.

机译：本研究的目的是建立经济和环境良性的生物吸附剂，用于从废水中除去合成染料（例如亚甲基蓝色，MB）。在批量系统中研究了MB上的MB上的吸附过程（Vigna radiata L.WILCZEK）壳（MBS）。结果表明，各种pH（3.74至9.78）有利于将MB的吸附到MBS上。均衡研究表明，Langmuir模型显示了等温吸附数据的最佳拟合。由Langmuir方程计算的最大单层吸附容量（165.92mg g〜（-1））高于许多先前研究的低成本生物吸水剂（例如，花生船体，小麦秸秆等）。吸附过程最适合伪二阶动力学模型。热力学研究表明，吸附过程自发，放热，主要是物理化。本研究表明，MBS是一种有希望，非常规，可承受的和环保的生物措施，可轻松部署用于从废水中除去阳离子染料。

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《International Conference on Environment Materials and Environment Management》|2012年||共12页
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Hui Zhou; Yanfang Feng; Yonghong Wu; Linzhang Yang;
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中图分类 TB3-53;
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Mung bean shell (Vigna radiata L. Wilczek); Biosorption; Methylene blue; Low-cost Adsorbents;

机译：绿豆壳（Vigna radiata L. Wilczek）;生物吸附;亚甲基蓝色;低成本吸附剂;

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Mung Bean Shell (Vigna radiata L. Wilczek) - A Novel Cost-effective Adsorbent for Removing Methylene Blue from Aqueous Solutions

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