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Removal of Basic Violet 14 from aqueous solution using sulphuric acid activated materials

机译:使用硫酸活化材料从水溶液中去除碱性紫14

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摘要

In this study the adsorption of Basic Violet, 14 from aqueous solution onto sulphuric acid activated materials prepared from Calophyllum inophyllum (CS) and Theobroma cacao (TS) shells were investigated. The experimental data were analysed by Langmuir, Freundlich and Temkin isotherm models. The results showed that CS has a superior adsorption capacity compared to the TS. The adsorption capacity was found to be 1416.43 mg/g for CS and 980.39 mg/g for TS. The kinetic data results at different concentrations were analysed using pseudo first-order and pseudo-second order model. Boyd plot indicates that the dye adsorption onto CS and TS is controlled by film diffusion. The adsorbents were characterised by scanning electron microscopy. The materials used in this study were economical waste products and hence can be an attractive alternative to costlier adsorbents for dye removal in industrial wastewater treatment processes.
机译:在这项研究中,研究了碱性紫罗兰,14从水溶液到由Calophyllum inophyllum(CS)和Theobroma cacao(TS)壳制备的硫酸活化材料上的吸附。通过Langmuir,Freundlich和Temkin等温线模型分析了实验数据。结果表明,与TS相比,CS具有更好的吸附能力。 CS的吸附容量为1416.43 mg / g,TS的吸附容量为980.39 mg / g。使用伪一级和伪二级模型分析了不同浓度下的动力学数据结果。博伊德图表明染料吸附在CS和TS上是通过薄膜扩散来控制的。通过扫描电子显微镜表征吸附剂。这项研究中使用的材料是经济的废品,因此可以替代工业废水处理过程中用于去除染料的昂贵吸附剂。

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