Adsorption of Methylene Blue by Hydroxyl-Aluminum Pillared Montmorillonite

被引：0
|
作者：
Rezala, Houria [1 ]
Douba, Houda [1 ]
Boukhatem, Horiya [1 ]
Romero, Amaya [2 ]
机构：
[1] Univ Djilali Bounaama Khemis Miliana, Fac Sci & Technol, Route Thenia El Had, Khemis Miliana 44001, Algeria
[2] Univ Castilla la Mancha, Fac Quim, Dept Ingn Quim, Campus Univ S-N, Ciudad Real 13004, Spain
来源：
JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN | 2020年 / 42卷 / 04期
关键词：
Methylene blue; Hydroxyl-aluminum pillared montmorillonite; Adsorption; Waste water; Pollution; AQUEOUS-SOLUTION; CATIONIC DYE; GRAPHENE OXIDE; AL-13-PILLARED MONTMORILLONITE; FUNCTIONALIZED ATTAPULGITE; ARSENIC ADSORPTION; ACTIVATED CARBONS; MESOPOROUS SILICA; EFFECTIVE REMOVAL; MALACHITE GREEN;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A purified raw montmorillonite and hydroxy-aluminum pillared montmorillonite have been prepared from a natural bentonite from Maghnia, Algeria. These materials have been analyzed by X-ray fluorescence spectroscopy, X-ray diffraction, Infrared spectroscopy and nitrogen adsorption-desorption measurement The pillared montmorillonite provided a certain increase of interlayer basal spacing and BET surface area and consequently the improvement of its capacities adsorption and decolorization of Methylene Blue. The adsorption properties of these materials were studied as a function of contact time, solution pH, initial Methylene Blue concentration and temperature. The adsorption kinetics and isotherms were well fitted by pseudo-second order and Freundlich models, respectively. In addition to that, thermodynamic studies showed an exothermic and a spontaneous process.
引用
收藏
页码：550 / 563
页数：14
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