对典型的矿区土壤中有毒元素污染源和作物健康风险的分析
Zhihao Ye1,2, Yanmei Yang1, Qiang Zhou2
1College of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing, People's Republic of China.
Archives of environmental contamination and toxicology
|January 3, 2025
概括
像 (Tl) 和 (Hg) 这样的有毒元素污染了中国矿山附近的农田. 这些污染物通过食用作物,特别是叶菜,构成生态风险和健康威胁.
科学领域:
- 环境科学 环境科学
- 地质化学 地质化学
- 毒理学 毒理学 毒理学
背景情况:
- (Tl) 矿区可能是有毒元素污染的来源.
- (Hg), (As) 和 (Sb) 等重金属对环境和健康构成风险.
研究的目的:
- 找出Tl,Hg,As和Sb的来源,这些来源都在Tl采矿场附近的土壤中.
- 评估这些污染物造成的污染水平,生态风险和人类健康威胁.
- 评估对受影响农田种植的作物的影响.
主要方法:
- 相关性分析和主要组件分析用于来源识别.
- 纳梅罗综合污染指数和哈坎森潜在的生态风险指数用于风险评估.
- 通过作物消费对人类健康风险的危险系数 (HQ) 评估.
主要成果:
- 采矿和炼是主要来源;农业活动影响Tl,Hg,As;与母材料相关的Sb.
- 在农田土壤中,Tl,Hg和Sb的超标率较高,其中37.9%的土壤高度污染.
- 显著的生态风险来自Hg和Tl;高的Tl,Hg,As在作物中,特别是叶菜中,对健康构成威胁.
结论:
- 位于TI矿区附近的农田被有毒元素污染.
- 这些污染物通过食物链带来了生态风险和人类健康的潜在危害.
- 调查结果提供了用于管理矿业影响农业地区风险的数据.
更多相关视频
相关概念视频
Types of Toxins
1.6K
Humans continually engage with an environment rich in potentially harmful chemicals. These are introduced to our bodies through inhalation, ingestion, or skin contact. These chemicals exist in various forms, such as air and environmental pollutants, agricultural chemicals, organic solvents, and heavy metals.
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
Air pollutants, primarily gases, pose significant threats to respiratory health, leading to conditions like hypoxia, lung cancer, and in extreme cases, death.
Environmental pollutants like...
1.6K
The Periodic Table and Organismal Elements
175.7K
Overview
175.7K
Voltammetry: Stripping Methods
173
Anodic Stripping Voltammetry (ASV), Cathodic Stripping Voltammetry (CSV), and Adsorptive Stripping Voltammetry (AdSV) are electrochemical techniques used to determine trace amounts of analytes in solution. These methods involve applying a potential to an electrode and measuring the resulting current.
Anodic Stripping Voltammetry (ASV)
ASV is used to determine metals and metalloids at trace levels. It involves two steps: deposition and stripping. First, a negative potential is applied to the...
Anodic Stripping Voltammetry (ASV)
ASV is used to determine metals and metalloids at trace levels. It involves two steps: deposition and stripping. First, a negative potential is applied to the...
173
Precipitation and Co-precipitation
1.7K
Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
1.7K


