Equilibrium, kinetics and thermodynamic studies for the removal of organophosphorus pesticide using Amberlyst-15 resin: Quantitative analysis by liquid chromatography-mass spectrometry

Mu. Naushad; Z.A. ALOthman; M.R. Khan

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Equilibrium, kinetics and thermodynamic studies for the removal of organophosphorus pesticide using Amberlyst-15 resin: Quantitative analysis by liquid chromatography-mass spectrometry

机译：使用Amberlyst-15树脂去除有机磷农药的平衡，动力学和热力学研究：液相色谱-质谱定量分析

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In the present paper, Amberlyst-15 resin was used for the removal of malathion. Various experimental parameters such as effect of pH, contact time, resin dose, initial malathion concentration and temperature were studied to find the optimum conditions for malathion removal. The removal rate of malathion by Amberlyst-15 was rapid and equilibrium was established within 30 min. Kinetic studies showed better applicability for pseudo-second-order model and equilibrium data was best fitted to Freundlich isotherm model. The thermodynamic parameters showed that the adsorption of malathion was feasible, endothermic and spontaneous. The concentration of malathion was determined using ultra-performance liquid chromatography-tandem mass spectrometry.

机译：在本文中，使用Amberlyst-15树脂去除马拉硫磷。研究了各种实验参数，例如pH值，接触时间，树脂剂量，初始马拉硫磷浓度和温度的影响，以找到去除马拉硫磷的最佳条件。 Amberlyst-15对马拉硫磷的去除速度很快，并且在30分钟内建立了平衡。动力学研究表明伪二阶模型具有更好的适用性，平衡数据最适合Freundlich等温模型。热力学参数表明马拉硫磷的吸附是可行的，吸热的和自发的。使用超高效液相色谱-串联质谱法测定马拉硫磷的浓度。

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《Journal of industrial and engineering chemistry》 |2014年第6期|共8页
作者
Mu. Naushad; Z.A. ALOthman; M.R. Khan;
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正文语种 eng
中图分类化学工业;
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Amberlyst-15 resin; Adsorption; Malathion; Kinetic studies; UPLC-MS/MS;

机译：Amberlyst-15树脂;吸附;马拉硫磷;动力学研究;UPLC-MS / MS;

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3. Equilibrium, kinetics and thermodynamic studies for the removal of organophosphorus pesticide using Amberlyst-15 resin: Quantitative analysis by liquid chromatography-mass spectrometry [J] . Mu. Naushad, Z.A. ALOthman, M.R. Khan Journal of industrial and engineering chemistry . 2014,第6期

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Equilibrium, kinetics and thermodynamic studies for the removal of organophosphorus pesticide using Amberlyst-15 resin: Quantitative analysis by liquid chromatography-mass spectrometry

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