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首页> 外文期刊>Journal of Residuals Science & Technology >Adsorption Behavior and Removal of Organic Materials from TNT Red Water by Lignite Activated Carbon
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Adsorption Behavior and Removal of Organic Materials from TNT Red Water by Lignite Activated Carbon

机译：褐煤活性炭对TNT红水中有机物的吸附行为及去除

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摘要

Red water produced by manufacturing of 2,4,6-trinitrotoluene (TNT) is treated by lignite activated carbon (LAC) which is much cheaper than common activated carbon. Optimized conditions for adsorption were determined and experimental results suggested pH, initial concentration, time, and adsorbent dose effect adsorption. The adsorption process follows a pseudo-second-order kinetics model controlled by pore diffusion and an adsorption isotherm may be fitted using the Langmuir model. Most organic components in red water are adsorbed by hydrogen bonds between the LAC and organic materials. Results suggest LAC is an alternative for treatment of red water.
机译：生产2,4,6-三硝基甲苯（TNT）产生的红水由褐煤活性炭（LAC）处理，褐煤活性炭比普通活性炭便宜得多。确定了最佳的吸附条件，实验结果表明pH，初始浓度，时间和吸附剂剂量对吸附有影响。吸附过程遵循由孔扩散控制的拟二级动力学模型，可以使用Langmuir模型拟合吸附等温线。红水中的大多数有机成分被LAC和有机材料之间的氢键吸附。结果表明，LAC是处理红水的替代方法。

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