Study on adsorption of rhodamine B onto Beta zeolites by tuning SiO2/Al2O3 ratio

被引：75

作者：

Cheng, Zhi-Lin ^{[1
]}

Li, Yan-xiang ^{[1
]}

Liu, Zan ^{[1
]}

机构：

[1] Yangzhou Univ, Sch Chem & Chem Engn, Yangzhou 225002, Jiangsu, Peoples R China

来源：

ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY | 2018年 / 148卷

关键词：

Beta zeolite; Dynamics; Isotherms; Adsorption; Rhodamine B; CATALYTIC PERFORMANCE; ACTIVATED CARBON; SI/AL RATIO; REMOVAL; NANOPARTICLES; WATER; DYE; ADSORBENTS; KAOLINITE; ACID;

D O I：

10.1016/j.ecoenv.2017.11.005

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The exploration of the relationship between zeolite composition and adsorption performance favored to facilitate its better application in removal of the hazardous substances from water. The adsorption capacity of rhodamine B (RB) onto Beta zeolite from aqueous solution was reported. The relationship between SiO2/Al2O3 ratio and adsorption capacity of Beta zeolite for RB was explored. The structure and physical properties of Beta zeolites with various SiO2/Al2O3 ratios were determined by XRD, FTIR, TEM, BET, UV vis and so on characterizations. The adsorption behavior of rhodamine B onto Beta zeolite matched to Langmuir adsorption isotherm and more suitable description for the adsorption kinetics was a pseudo-second-order reaction model. The maximum adsorption capacity of the as-prepared Beta zeolite with SiO2/Al2O3 = 18.4 was up to 27.97 mg/g.

引用

页码：585 / 592

页数：8

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