矿业影响的干旱地区的花矿物质的季节性变化:对人类健康风险的影响
A M Gómez-Valencia1, A Del Ángel-De la Cruz2, B González-Grijalva3
1Departamento de Ingeniería Civil y Minas, Universidad de Sonora, Hermosillo, Mexico; Fortalecimiento a la Minería Artesanal Sostenible, Red de Desarrollo Sostenible, Agenda 2030 ONU, Hermosillo, Mexico.
The Science of the total environment
|September 19, 2025
概括
来自酸性矿井排水的花盐会季节性地积累金属. 这些盐具有吸入风险,但也具有资源回收的潜力,需要持续监测.
科学领域:
- 环境科学 环境科学
- 地质化学 地质化学
- 矿物学是一门学科.
背景情况:
- 花盐是干旱地区酸性矿井排水 (AMD) 的关键指标.
- 它们的形成和金属积累受到温度等环境因素的影响.
- 这项研究是首次全面分析季节性花盐的动态.
研究的目的:
- 为了研究矿物学,金属含量,生物可访问性和花盐在空气中的分散度的季节性变化.
- 评估潜在的健康风险和资源回收机会.
- 为了了解一个主要的铜矿的花盐对环境的影响.
主要方法:
- 在四个季节内,在五个地点收集了94个样本.
- 使用XRD,SEM和XRF分析矿物学和元素度.
- 使用甘布尔溶液和人工溶酶体液 (ALF),分散建模和健康风险评估来评估生物可访问性.
主要成果:
- 矿物成分 (例如,石,石英石,石) 和金属含量 (Cu高达655,568毫克·公斤-1) 的显著季节性变化.
- 高比例的细颗粒物 (PM2.5),表明潜在的深呼吸道透.
- 可变的生物可访问性,具有较低的甘布尔溶液值,但高的ALF可变性.
- 向北分散到美墨边境和关键元素 (Ni,Co,Mn) 的度.
结论:
- 由于它们的动态性和环境风险,季节性监测浮花盐至关重要.
- 空气中的花盐引发了吸入方面的担忧,尽管没有发现致癌风险.
- 这些盐代表了关键元素的潜在二次资源,需要可持续的恢复战略.
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