Effect of phosphate on the adsorption of Cu and Cd on natural hematite
文献类型:期刊论文
作者 | Li, W; Zhang, SZ; Jiang, W; Shan, XQ |
刊名 | CHEMOSPHERE
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出版日期 | 2006 |
卷号 | 63期号:8页码:1235-1241 |
关键词 | Cu Cd adsorption/desorption phosphate hematite |
英文摘要 | Interactions between anions and cations are important to understand the chemical processes of pollutants in environment. In this study, batch experiments were carried out to investigate the simultaneous adsorption of Cu and Cd on hematite as affected by phosphate. Phosphate pretreatment suppressed the maximum adsorption of Cu and Cd on hematite and moved the adsorption pH edges to a higher pH range. Phosphate application time had a marked impact on Cu and Cd adsorption and longer contact time resulted in more reduction of Cu and Cd adsorption. Results of back-titration, Fourier transform infrared (FTIR) spectroscopy study and ionic strength effect on the adsorption revealed that Cu and Cd were adsorbed on hematite mainly through the inner-sphere complex formation mechanism and phosphate treatment reduced the inner-sphere adsorption sites, thus decreasing Cu and Cd adsorption on hematite. (c) 2005 Elsevier Ltd. All rights reserved. |
WOS记录号 | WOS:000238002200001 |
源URL | [http://ir.rcees.ac.cn/handle/311016/22872] ![]() |
专题 | 生态环境研究中心_环境化学与生态毒理学国家重点实验室 |
推荐引用方式 GB/T 7714 | Li, W,Zhang, SZ,Jiang, W,et al. Effect of phosphate on the adsorption of Cu and Cd on natural hematite[J]. CHEMOSPHERE,2006,63(8):1235-1241. |
APA | Li, W,Zhang, SZ,Jiang, W,&Shan, XQ.(2006).Effect of phosphate on the adsorption of Cu and Cd on natural hematite.CHEMOSPHERE,63(8),1235-1241. |
MLA | Li, W,et al."Effect of phosphate on the adsorption of Cu and Cd on natural hematite".CHEMOSPHERE 63.8(2006):1235-1241. |
入库方式: OAI收割
来源:生态环境研究中心
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