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首页> 外文期刊>International journal of environment and waste management >An equilibrium and kinetic study for the removal of reactive red MSB using phosphoric acid treated activated carbon
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An equilibrium and kinetic study for the removal of reactive red MSB using phosphoric acid treated activated carbon

机译：用磷酸处理活性炭去除反应性红色MSB的平衡和动力学研究

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摘要

The objective of the study is to develop an adsorbent which is abundant with economical and environmental friendly characteristics to remove reactive dye from its aqueous solution. The municipal solid waste modified by H_(3)PO_(4)activated carbon (MSWAC) was prepared and characterised. The adsorption capacity of the activated carbon was tested towards reactive red M5B (RR), a representative of industrial effluent at varied operational conditions by using batch method. Langmuir, Freundlich and Temkin adsorption isotherm models were applied to describe the characteristics of adsorption behaviour. Kinetic data were fitted to pseudo-first-order, pseudo-second-order and intra-particle diffusion models. The virgin characteristics of MSWAC were studied using BET surface area, scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FTIR) and X-ray diffraction (XRD) studies. The result indicated that MSWAC as a low cost adsorbent and it can be effectively used for treating textile industry effluent.
机译：该研究的目的是开发一种吸附剂，其具有丰富的经济和环保特性，以从水溶液中除去活性染料。由H_（3）PO_（4）活性炭（MSWAC）改性的市政固体废物进行制备并表征。通过使用分批方法对活性碳的吸附能力朝向反应性红色M5B（RR），该代表在各种操作条件下的工业流出物。 Langmuir，Freundlich和Temkin吸附等温线用于描述吸附行为的特征。动力学数据适用于伪一阶，伪二阶和粒子分散模型。使用BET表面积，扫描电子显微镜（SEM），傅里叶变换红外光谱（FTIR）和X射线衍射（XRD）研究研究了MSWAC的原始特性。结果表明，MSWAC作为低成本吸附剂，可有效地用于治疗纺织工业流出物。

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