索引方法评估PTE分布在马汉河指挥区,印度中部的煤炭开采区
Nirmal Kumar1, Mahendra Kumar Tiwari2, Rambabu Singh3
1Mining Department, Western Coalfield Limited, Nagpur, Maharashtra, 440014, India.
Geochemical transactions
|April 13, 2025
概括
潜在有毒的微量元素 (PTEs) 污染了印度的水源.
科学领域:
- 环境科学 环境科学
- 水文地质学 水文地质学
- 分析化学 分析化学
背景情况:
- 工业区面临水资源短缺,影响地区水资源.
- 煤炭开采活动可能会导致当地水体的污染.
- 潜在有毒的微量元素 (PTEs) 对水质和人类健康构成风险.
研究的目的:
- 调查马汉河指挥区内的水源中潜在有毒微量元素 (PTEs) 的污染情况.
- 分析不同水源中PTE的季节性变化.
- 评估煤炭开采对水质的影响.
主要方法:
- 在两个季节 (季风前和季风后) 收集和分析了96个水样.
- 包括Mn,Cu,Pb,Ni,Cd,Al,Cr,Fe和Ba在内的PTE的量化.
- 使用多种地下水污染指数方法 (HPI,HEI,CI,EHCI,HMI).
- 使用Caboi图表来确定水pH和溶解金属之间的关系.
主要成果:
- 在季风前和季风后的季节中,PTE (Mn,Ni,Fe,Al) 的高度超过了允许的限度.
- 根据多种污染指数,大量的水样超过了各种PTE的可接受值.
- 卡博伊 (Caboi) 地块分析显示,矿井水中存在"高酸金属"特征,表明矿井的酸性排水和矿物溶解.
结论:
- 马汉河指挥区的煤矿开采严重污染了水资源的PTE.
- 人类输入和自然地质/环境过程都对PTE分布和季节性变化有所贡献.
- 有效的水资源管理策略对于减轻工业和采矿地区的PTE污染至关重要.
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