Fluoride Removal from Aqueous Solutions by Boehmite

被引：45
|
作者：
Jimenez-Becerril, J. [1 ]
Solache-Rios, Marcos [1 ]
Garcia-Sosa, I. [1 ]
机构：
[1] Inst Nacl Invest Nucl, Dept Quim, Mexico City 11801, DF, Mexico
来源：
WATER AIR AND SOIL POLLUTION | 2012年 / 223卷 / 03期
关键词：
Fluoride; Sorption; Boehmite; SYNTHETIC HYDROXYAPATITE; SEWAGE-SLUDGE; ADSORPTION; WATER; SORPTION; COPPER(II); PYROLYSIS; ALUMINA; SURFACE; IONS;
D O I：
10.1007/s11270-011-0925-3
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Boehmite was used for the removal of fluoride ions from aqueous solutions in a batch system. The pH, contact time, and fluoride concentration in the removal of fluoride ions by boehmite were evaluated. The removal of fluoride ions by boehmite was the highest between the pH values of 4.5 and 7.5. The kinetic fluoride sorption from aqueous solutions by boehmite was best described by the pseudo-second-order model, and equilibrium was reached in about 24 h. The Freundlich model described the isotherm sorption process; the results indicate that the sorption mechanism is chemisorption on a heterogeneous material.
引用
收藏
页码：1073 / 1078
页数：6
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