Effect of aluminum fluoride complexation on fluoride removal by coagulation
文献类型：期刊论文
| 作者 | Gong, Wen-Xin ; Qu, Jiu-Hui ; Liu, Rui-Ping ; Lan, Hua-Chun |
| 刊名 | Chemistry
 |
| 出版日期 | 2012 |
| 卷号 | 395期号:1页码:88-93 |
| 关键词 | Fluoride Coagulation Aluminum Complexation Adsorption Coprecipitation |
| ISSN号 | 0927-7757 |
| 中文摘要 | Effect of aluminum fluoride complexation on fluoride removal by Al salts coagulation was investigated by a series of batch experiments. Transformation of fluoride species in coagulation was studied by simultaneous determination of free fluoride and total fluoride at different pH and fluoride concentrations. Results showed that aluminum fluoride complexes dominated at low pH and high fluoride concentrations but more complexes did not represent higher fluoride removal. Comparison between coagulation with complexation and adsorption by Al(OH)(3) flocs was conducted and coagulation showed higher fluoride removal efficiency than adsorption in the pH range of 6.0-9.0. Titration test showed that Al-F complexes were coprecipitated with less OH- than Al3+. Characterization of FTIR and XPS also indicated that flocs after complexation was different from Al(OH)(3) flocs with or without fluoride. It was concluded that a new Al-F-OH coprecipitate formed in coagulation and fluoride was effectively removed by the coprecipitation. (C) 2011 Elsevier B.V. All rights reserved. |
| WOS记录号 | WOS:000300206400013 |
| 公开日期 | 2014-11-28 |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/8129]  |
| 专题 | 生态环境研究中心_环境水质学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Gong, Wen-Xin,Qu, Jiu-Hui,Liu, Rui-Ping,et al. Effect of aluminum fluoride complexation on fluoride removal by coagulation[J]. Chemistry,2012,395(1):88-93. |
| APA | Gong, Wen-Xin,Qu, Jiu-Hui,Liu, Rui-Ping,&Lan, Hua-Chun.(2012).Effect of aluminum fluoride complexation on fluoride removal by coagulation.Chemistry,395(1),88-93. |
| MLA | Gong, Wen-Xin,et al."Effect of aluminum fluoride complexation on fluoride removal by coagulation".Chemistry 395.1(2012):88-93. |
入库方式： OAI收割
来源：生态环境研究中心
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