Entrapment of powdered drinking water treatment residues in calcium-alginate beads for fluoride removal from actual industrial wastewater

被引：22
|
作者：
Jung, Kyung-Won [1 ]
Hwang, Min-Jin [2 ]
Jeong, Tae-Un [1 ]
Chau, Dao Minh [1 ]
Kim, Kipal [3 ]
Ahn, Kyu-Hong [1 ]
机构：
[1] Korea Inst Sci & Technol, Ctr Water Resources Cycle Res, POB 131, Seoul 130650, South Korea
[2] Korea Inst Toxicol, Future Environm Res Ctr, 17 Jeigok Gil, Jinju 660844, Gyeongsangnam D, South Korea
[3] KG Chem, R&D Div, Environm Business Team, Sihwa Ind Complex 1 Da 106,5, Siheung Si 429848, Gyeonggi Do, South Korea
来源：
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY | 2016年 / 39卷
关键词：
Drinking water treatment residues; Fluoride; Calcium-alginate beads; Industrial wastewater; Fixed-bed column test; METHYLENE-BLUE ADSORPTION; AQUEOUS-SOLUTIONS; ALUMINUM-HYDROXIDE; ACTIVATED CARBON; RED MUD; PHOSPHATE; IONS; DIFFUSION; DESORPTION; COMPOSITE;
D O I：
10.1016/j.jiec.2016.05.017
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The present study describes the preparation of drinking water treatment residues (DWTRs) based adsorptive media (DREAM) by entrapping the powdered-DWTRs in calcium-alginate beads and their application to fluoride removal from actual industrial wastewater. In order to evaluate the fluoride adsorption capability and mechanisms of DREAM, the adsorption equilibrium isotherm, kinetics, and effect of solution pH on fluoride removal by DREAM were evaluated. The batch and fixed-bed column adsorption tests confirmed that DREAM had high selectivity for adsorbing fluoride from actual industrial wastewater, which contained other co-existing anions (e.g., nitrate, chloride, and sulfate). (C) 2016 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码：101 / 111
页数：11
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