Definitive screening design applied to cationic & anionic adsorption dyes on Almond shells activated carbon: Isotherm, kinetic and thermodynamic studies

被引：21
|
作者：
Boulika H. [1 ]
El Hajam M. [1 ,2 ]
Hajji Nabih M. [1 ]
Riffi Karim I. [1 ,2 ]
Idrissi Kandri N. [1 ]
Zerouale A. [2 ]
机构：
[1] Signals, Systems and Components Laboratory (SSC), Faculty of Sciences and Techniques, Sidi Mohamed Ben Abdellah University, Route Imouzzer, BP2202, FEZ, Atlas
[2] Processes, Materials and Environment Laboratory (PME), Faculty of Sciences and Techniques, Sidi Mohamed Ben Abdellah University, Route Imouzzer, BP2202, FEZ, Atlas
来源：
Materials Today: Proceedings | 2023年 / 72卷
关键词：
Activated Carbon; Adsorption; Almond Shells; Definitive screening design; Optimization; Removal dyes; Screening;
D O I：
10.1016/j.matpr.2022.07.358
中图分类号：
学科分类号：
摘要：
The potential use of activated carbon from Almond shells for the removal of Malachite Green (MG) and Methyl Red (MR) respectively. The different factors influencing the adsorption process were screened and optimized in batch using the D.S.D methodology. Isothermal and Kinetic adsorption modeling fits more the Langmuir model and followed pseudo-second-order for both dyes. The positive ΔS° and negative ΔH° values indicate a spontaneous and exothermic adsorption process. The maximum removal of MG was 93.81 % and that of MR was 82.81 %. The characterization of activated carbon after adsorption indicates that this material remains stable and effective. © 2022
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收藏
页码：3336 / 3346
页数：10
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