FLUORIDE ADSORPTION ON ARTIFICIAL ZEOLITE IN WATER

被引：0
作者：
Fang, Xun [1 ]
Wu, Shibiao [1 ]
Ge, Yejun [1 ]
Wang, Yaqin [1 ]
Yang, Jie [1 ]
Li, Xi [1 ]
Xu, Haiyan [1 ]
机构：
[1] Anhui Jianzhu Univ, Sch Mat & Chem Engn, Hefei 230601, Anhui, Peoples R China
来源：
FRESENIUS ENVIRONMENTAL BULLETIN | 2018年 / 27卷 / 12B期
关键词：
Artificial zeolite; adsorption; fluoride; isotherms; kinetics; LAYERED DOUBLE HYDROXIDES; AQUEOUS-SOLUTION; DRINKING-WATER; EXCHANGE-RESIN; REMOVAL; BEHAVIOR; DYE; ION;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Artificial zeolite was synthesized by hydrothermal method and activated by soaking in saturated aluminum sulfate aqueous solution. The activated zeolite was characterized by Scanning Electron Microscope (SEM) and Fourier Transform Infrared Spectroscopy(FT-IR); the fluoride adsorption on the zeolite from water was investigated; the effects of pH, temperature on F - ions adsorption was also discussed. Results showed that the zeolite had excellent fluoride adsorption capacity and rapid regeneration speed; the maximum fluoride adsorption capacity was 65.36mg/g and the time needed for the used adsorbent to be regenerated in saturated aluminum sulfate aqueous solution was only one minute. The adsorption mechanics were ascribed to hydrogen bonds attraction between hydroxyl groups and the fluoride ions in water.
引用
收藏
页码：9739 / 9746
页数：8
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