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首页> 外文期刊>Desalination and water treatment >On the performance of Ballota undulata biomass for the removal of cadmium(Ⅱ) ions from water
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On the performance of Ballota undulata biomass for the removal of cadmium(Ⅱ) ions from water

机译：圆头球藻生物量去除水中镉（Ⅱ）的性能研究

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In this study, cadmium ions, Cd(II), were removed from aqueous solutions using Ballota undulata. Experimental data were exploited for kinetic and thermodynamic assessments related to adsorption processes. The different variables affecting the adsorption capacity such as pH, contact time, temperature, adsorbent particle size and mass of adsorbent have been studied. Adsorption isotherms were correlated well with the Langmuir isotherm model. The maximum monolayer adsorption capacity was 121.1 mg/g, which is higher than other adsorbents reported. The kinetic data were best described by pseudo-second-order model. The adsorption process was exothermic-spontaneous to indicate its feasibility.
机译：在这项研究中，使用Ballota undulata从水溶液中去除了镉离子Cd（II）。实验数据被用于与吸附过程有关的动力学和热力学评估。研究了影响吸附容量的不同变量，例如pH，接触时间，温度，吸附剂粒径和吸附剂质量。吸附等温线与Langmuir等温线模型具有很好的相关性。最大单层吸附容量为121.1 mg / g，高于报道的其他吸附剂。动力学数据最好用伪二阶模型描述。吸附过程是自发放热的，表明了其可行性。

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