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首页> 外文期刊>Desalination and water treatment >A comparative survey of linear and non-linear regression analysis on removal efficiency of clinoptilolite for sorption of dexamethasone from aqueous solutions
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A comparative survey of linear and non-linear regression analysis on removal efficiency of clinoptilolite for sorption of dexamethasone from aqueous solutions

机译：斜发沸石去除地塞米松从水溶液中去除效率的线性和非线性回归分析的比较调查

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摘要

The present study investigated the ability of clinoptilolite zeolite (CP) for removal of dexamethasone from aqueous solutions. The effects of some factors such as adsorbate concentration, adsorbent dosage, pH and contact time had been studied. Determination of dexamethasone was performed using UV-visible spectrophotometer. Four isotherm models including Freundlich, Langmuir, Tempkin and Sips were evaluated using linear and non-linear regression analysis. Results showed that in acidic condition (pH 4), the efficiency reached to maximum (57%) and linear regression had better performance for analyzing the experimental data. The Langmuir model is better than other isotherms to represent equilibrium data in both linear and non-linear methods.
机译：本研究调查了斜发沸石分子筛（CP）从水溶液中去除地塞米松的能力。研究了吸附剂浓度，吸附剂用量，pH值和接触时间等因素的影响。地塞米松的测定使用紫外可见分光光度计进行。使用线性和非线性回归分析评估了四个等温模型，包括Freundlich，Langmuir，Tempkin和Sips。结果表明，在酸性条件下（pH 4），效率达到最大值（57％），线性回归分析实验数据的性能更好。 Langmuir模型比其他等温线更好地表示线性和非线性方法中的平衡数据。

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