微塑料污染曝光:村庄中小型不受管制的倾倒的后果,从土壤到水的范围
Manivannan Vairamuthu1,2, Puthiya Veetil Nidheesh3, Anantha Singh Tangappan Sarasvathy2
1CSIR-National Environmental Engineering Research Institute, Nagpur, 440020, India.
Environmental monitoring and assessment
|November 4, 2024
概括
微塑料污染在印度村落的垃圾场中普遍存在,聚乙烯 (PE) 和聚烯 (PP) 是土壤和沉积物中发现的最常见的类型. 这项研究强调,迫切需要制定战略来管理这种普遍存在的环境污染物.
科学领域:
- 环境科学 环境科学
- 生态毒理学 生态毒理学
- 土壤科学 土壤科学
背景情况:
- 微塑料污染对全球环境构成重大威胁.
- 不受监管的垃圾场是微塑料污染的潜在热点.
- 了解微塑料从土壤到水生系统的转移至关重要.
研究的目的:
- 调查印度村庄垃圾填埋场中微塑料污染的程度和类型.
- 分析微塑料从土壤到沉积物的运动和度.
- 为了识别流行的微塑料聚合物,形状和颜色.
主要方法:
- 从六个村庄的八个地点收集的土壤和沉积物样本.
- 分析的土壤的物理化学性质 (pH,密度,多孔性,保持水分,导电性,颗粒大小).
- 微塑料的识别使用减弱的总反射-里埃变换红外光谱学 (ATR-FTIR) 和通过立体显微镜量化.
主要成果:
- 聚乙烯 (PE) 和聚烯 (PP) 是主要的微塑料类型.
- 微塑料的度在土壤中为80至840颗/千克,在沉积物中为20至60颗/千克.
- 观察到不同的微塑料形状 (叶片,纤维,泡,碎片,薄膜) 和颜色,PE在较大的部分普遍存在,PP在较小部分.
结论:
- 微塑料污染在研究的印度村落垃圾场和周围环境中普遍存在.
- 这些发现强调了对微塑料污染的有效监测和缓解策略的需要.
- 解决微塑料污染问题对于环境健康和人类福祉至关重要.
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