Adsorption of Fe(II) and Fe(III) from aqueous solution by using sepiolite: speciation studies with MINEQL plus computer program

被引：15
|
作者：
Kocaoba, Sevgi [1 ]
机构：
[1] Yildiz Tech Univ, Fac Art & Sci, Dept Chem, Davutpasa Cad 127, TR-34210 Istanbul, Turkey
来源：
SEPARATION SCIENCE AND TECHNOLOGY | 2020年 / 55卷 / 05期
关键词：
Heavy metal speciation; sepiolite; adsorption models; MINEQL plus; contamination; HEAVY-METALS REMOVAL; WATER SAMPLES; INDUSTRIAL WASTEWATERS; IRON SPECIATION; WASTE-WATER; IRON(III); IONS; PRECONCENTRATION; SEPARATION; OXIDATION;
D O I：
10.1080/01496395.2019.1579841
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
As a low-cost adsorbent, sepiolite has been used for the adsorption of Fe(II) and Fe(III) from aqueous solutions. The proposed method was applied to the determination of iron in tap water, employing standard addition. The results reported with a confidence interval for the 95% confidence level show the applicability of the proposed method to water analysis. Speciation studies are very important for understanding of the toxicity, bio-availability, bio-accumulation, and transport of an element in different environmental media. In this study, Fe(II) and Fe(III) speciation was investigated for optimum concentration and pH in aqueous solutions with MINEQL+ computer program.
引用
收藏
页码：896 / 906
页数：11
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