Super-efficient removal of yellow 161 anionic dye from water by activated carbon based on coffee grounds

被引：3
作者：
Maanane, Fadwa [1 ]
El Yadini, Adil [1 ]
Saufi, Hamid [2 ]
El Alouani, Marouane [2 ]
Tabyaoui, Mohamed [1 ]
Bellaouchou, Abdelkebir [1 ]
机构：
[1] Mohammed V Univ Rabat, Fac Sci, Lab Mat Nanotechnol & Environm, Av Ibn Battouta,BP1014, Rabat, Morocco
[2] Mohammed V Univ, Ecole Normale Super ENS, Ctr Sci Mat CSM, Lab Phys Chem Inorgan & Organ Mat LPCMIO, P 4014, Rabat, Morocco
来源：
DESALINATION AND WATER TREATMENT | 2024年 / 320卷
关键词：
Activated carbon; Coffee grounds; Reactive Yellow 161; Adsorption; Box-Behnken; METHYLENE-BLUE; ADSORPTION-ISOTHERMS; AQUEOUS-SOLUTION; WASTE-WATER; KINETICS; EQUILIBRIUM; OPTIMIZATION; MECHANISM; CADMIUM; ORANGE;
D O I：
10.1016/j.dwt.2024.100713
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The study evaluates the effectiveness of activated carbon derived from coffee grounds (ACcg) in removing Reactive Yellow 161, a pollutant from the textile industry. The properties of ACcg are analyzed by various techniques such as FTIR, SEM, EDS and X-ray diffraction. In addition, physico-chemical analyses, such as moisture content, ash content, volatile matter, iodine value and zero charge point (pHpzc), were carried out on the prepared ACcg. The Box-Behnken Design (BBD) scheme combined with the Response Surface Method (RSM) is used to optimize adsorption variables. Results show high microporosity of ACcg, adsorption kinetics fitted to pseudo-first order and Langmuir isotherm consistent with experimental data. Thermodynamic parameters indicate spontaneous and exothermic adsorption behavior. Residue analysis and ANOVA confirm a high adsorption capacity of ACcg (97.67 %) at an initial concentration of 20 ppm Reactive Yellow, with an ACcg mass of 1 g/L and a pH of 3. The chosen model is validated for this application.
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页数：15
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