Performances of metals modified activated carbons for fluoride removal from aqueous solutions

被引：26
|
作者：
Bakhta, Soumia [1 ]
Sadaoui, Zahra [1 ]
Lassi, Ulla [2 ]
Romar, Henrik [2 ]
Kupila, Riikka [2 ]
Vieillard, Julien [3 ]
机构：
[1] Univ Sci & Technol Houari Boumediene, Fac Mech & Proc Engn, Lab React Engn, BP 32, Algiers 16111, Algeria
[2] Univ Oulu, Res Unit Sustainable Chem, POB 3000, Oulu 90014, Finland
[3] Normandie Univ, ROUEN, INSA Rouen, CNRS,COBRA UMR 6014, 55 Rue St Germain, F-27000 Evreux, France
来源：
CHEMICAL PHYSICS LETTERS | 2020年 / 754卷 / 754期
关键词：
Activated carbon; Aluminum; Incipient wetness impregnation; Adsorption; Fluoride removal; WATER-TREATMENT; ADSORPTION; BIOSORPTION; COMPOSITE; AMMONIA;
D O I：
10.1016/j.cplett.2020.137705
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The present research work focused on the activated carbon (AC) preparation from dates waste followed by its surface modification by incipient wetness impregnation using different metals: Ca, Co, Mg and Al. The obtained results showed that the AC-Al presented the best removal efficiency of the fluoride. The prepared activated carbons (AC) and (AC-Al) were characterized by several techniques. The optimization study of the AC-Al impregnation conditions was investigated by varying the impregnation time and the Al loading. Batch experiments were carried out to investigate the effect of certain operating parameters on the removal percentage. Several isotherm models were applied.
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页数：10
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