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微塑料:印度中部印多尔市表面水体中的新兴环境污染物
Surya Singh1,2, Bablu Alawa1, Surendra Singh Mehra1,3
1Division of Environmental Monitoring and Exposure Assessment (Water & Soil), ICMR - National Institute for Research in Environmental Health (NIREH), Bhopal, India.
概括
在印度印多尔地区的三个湖泊中都检测到了微塑料,其中纤维素衍生物是最常见的. 虽然风险很低,但减少来源和更好的废物管理对于长期的湖泊健康至关重要.
科学领域:
- 环境科学 环境科学
- 生态毒理学 生态毒理学
- 水质管理水质管理
背景情况:
- 湖泊是重要的淡水资源,受到微塑料等新兴污染物的威胁.
- 保持湖水质量对于生物多样性,娱乐和旅游业至关重要.
- 微塑料污染是一个日益严重的全球问题,影响水生生态系统.
研究的目的:
- 调查印度印多尔地区湖泊中微塑料的存在,度和类型.
- 为了描述检测到的微塑料的化学成分.
- 评估微塑料带来的生态风险,并推减轻风险的策略.
主要方法:
- 从印多尔地区的三个湖泊取水样.
- 使用已建立的分析技术进行微塑料的识别和量化.
- 微塑料聚合物的化学表征,以确定其来源.
主要成果:
- 在所有采样湖泊中都发现了微塑料,其度在6.7至12.3件/L之间.
- 纤维是占主导地位的微塑料类型,其次是碎片,薄片和泡.
- 纤维素及其衍生物占微塑料的70%,聚乙烯和聚胺也被检测到.
结论:
- 微塑料的主要来源归因于织工业 (纤维素纤维) 和包装/家庭废物.
- 生物降解纤维素的高比例表明直接生态风险非常低.
- 专注于减少来源和改善塑料废物管理的战略干预措施对于减轻对湖泊生态系统的长期影响至关重要.
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