Colloids fractionation and characterization of arsenic (As) and dissolved organic matter (DOM) in surface water around a closed arsenic mine
文献类型：期刊论文
| 作者 | Yu, Zhenzhen2,3; Wei, Chaoyang4; Yang, Fen4; Li, Zhiying4; Jiang, Bin1; Dai, Weijie4; Tang, Changyuan3; Zhang, Yizhang3 |
| 刊名 | JOURNAL OF HAZARDOUS MATERIALS
 |
| 出版日期 | 2025-04-05 |
| 卷号 | 487页码:137094 |
| 关键词 | Arsenic Cross-flow ultrafiltration Colloids Dissolved organic matter Surface water |
| ISSN号 | 0304-3894 |
| DOI | 10.1016/j.jhazmat.2025.137094 |
| 产权排序 | 1 |
| 文献子类 | Article |
| 英文摘要 | The speciation and mobility of arsenic (As) in waters are largely influenced by the colloids; however, the impacts of colloids with different molecular weights (MWs) in water fractions remain largely unknown. Herein, the surface water was fractionated into three colloidal fractions and truly dissolved fraction via cross-flow ultrafiltration. Total As (As(T)) presented mainly as As(V) and existed primarily in the truly dissolved fraction. Arsenic (III) proportions of 3.1 %-8.0 % in various colloids sizes indicated reducing conditions within the colloids particles in surface water around the mine. Negative correlations between EC, TDS and As(T) and As(V) in colloids were found, indicating water properties favored As mobilization in surface water. The aromaticity and humification of DOM reflected endogenous sources in truly dissolved fraction and large-MW colloids and exogenous sources in medium-small-MW colloids. Fourier transform infrared spectroscopy detected As-DOM and As-FeDOM formation in colloids, highlighting new aspects of colloids in surface water. Arsenic(T) and As(V) concentrations were positively correlated with terrestrial humic-like components and negatively correlated with microbial humic-like component in colloids, suggesting that in the closed As mine, As tend to be transported from land to surface water together with terrestrial DOM, while endogenous DOM in water affected As mobilization. |
| URL标识 | 查看原文 |
| WOS关键词 | CROSS-FLOW ULTRAFILTRATION ; SHIMEN REALGAR MINE ; GROUNDWATER ; REMOVAL ; AREA ; LAKE |
| WOS研究方向 | Engineering ; Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:001414270700001 |
| 出版者 | ELSEVIER |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/212383]  |
| 专题 | 陆地表层格局与模拟院重点实验室_外文论文 |
| 通讯作者 | Yang, Fen |
| 作者单位 | 1.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Peoples R China 2.Nankai Univ, Coll Environm Sci & Engn, Key Lab Pollut Proc & Environm Criteria, Minist Educ,Tianjin Key Lab Environm Remediat & Po, Tianjin 300350, Peoples R China; 3.Res Inst Environm Innovat Binhai, Tianjin 300450, Peoples R China; 4.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Yu, Zhenzhen,Wei, Chaoyang,Yang, Fen,et al. Colloids fractionation and characterization of arsenic (As) and dissolved organic matter (DOM) in surface water around a closed arsenic mine[J]. JOURNAL OF HAZARDOUS MATERIALS,2025,487:137094. |
| APA | Yu, Zhenzhen.,Wei, Chaoyang.,Yang, Fen.,Li, Zhiying.,Jiang, Bin.,...&Zhang, Yizhang.(2025).Colloids fractionation and characterization of arsenic (As) and dissolved organic matter (DOM) in surface water around a closed arsenic mine.JOURNAL OF HAZARDOUS MATERIALS,487,137094. |
| MLA | Yu, Zhenzhen,et al."Colloids fractionation and characterization of arsenic (As) and dissolved organic matter (DOM) in surface water around a closed arsenic mine".JOURNAL OF HAZARDOUS MATERIALS 487(2025):137094. |
入库方式： OAI收割
来源：地理科学与资源研究所
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