Organic ligand induced release of vanadium from the dissolution of stone coal oxide ore
文献类型：期刊论文
| 作者 | Hu, Xingyun ; Yue, Yuyan; Peng, Xianjia
|
| 刊名 | ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
 |
| 出版日期 | 2019-06 |
| 卷号 | 26期号:18页码:17891-17900 |
| ISSN号 | 0944-1344 |
| 关键词 | Vanadium Stone coal Dissolved organic matters Kinetics Dissolution Complexation |
| 英文摘要 | The effects of low-molecular-weight dissolved organic matters (LMWDOMs) on the release of vanadium (V) under environmental conditions are part of a broader study on the environmental geochemistry behavior of V. Eight typical naturally occurring LMWDOMs with carboxyl, hydroxyl, and amidogen groups were chosen: citric acid, oxalic acid, EDTA, salicylic acid, catechol, glycine, cysteine, and glucose. The results showed that the release of V was largely promoted by LMWDOMs with carboxyl functional groups under acidic conditions and with catechol under basic conditions. In the presence of citric acid, oxalic acid, or EDTA at pH 4.0, the initial release rates of V were approximately 25-39 times greater than the rates in the control experiments; the steady release rates were 164, 95, and 49 times than the rates in the control experiments, respectively. For catechol, the release rate at pH 8.0 was approximately 20 times the rate at pH 4.0. Amino acids and alcohols had a minimal effect on the release of V. Ligand-promoted release rates of V were found primarily due to the faster detachment of surface complexes, the protonated sites from the mineral surface and the reduction of dissolved V (V) in the presence of citric acid, oxalic acid, EDTA, and catechol. This study helps understand the pollution risk of V in some mine areas and the fate of V in the environment. |
| 源URL | [http://ir.rcees.ac.cn/handle/311016/43104]  |
| 专题 | 生态环境研究中心_环境水质学国家重点实验室 |
| 作者单位 | 1.Chinese Acad Sci, Natl Engn Lab Ind Wastewater Treatment, Beijing Key Lab Ind Wastewater Treatment & Resour, Res Ctr Ecoenvironm Sci, Beijing 100085, Peoples R China 2.Henan Normal Univ, Sch Environm, Xinxiang 453007, Henan, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100190, Peoples R China |
| 推荐引用方式 GB/T 7714 | Hu, Xingyun,Yue, Yuyan,Peng, Xianjia. Organic ligand induced release of vanadium from the dissolution of stone coal oxide ore[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2019,26(18):17891-17900. |
| APA | Hu, Xingyun,Yue, Yuyan,&Peng, Xianjia.(2019).Organic ligand induced release of vanadium from the dissolution of stone coal oxide ore.ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,26(18),17891-17900. |
| MLA | Hu, Xingyun,et al."Organic ligand induced release of vanadium from the dissolution of stone coal oxide ore".ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH 26.18(2019):17891-17900. |
入库方式： OAI收割
来源：生态环境研究中心
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