一个关于微塑料在用污水污泥修改的土壤中的出现和迁移的文献统计视角
Bomin Fu1,2, Weimin Zhou1, Yucai Chen1
1National Observation and Research Station of Coastal Ecological Environments in Macao, Macao Environmental Research Institute, Faculty of Innovation Engineering, Macau University of Science and Technology, Macao SAR, China.
概括
污水污泥的应用是土壤微塑料污染的主要来源,碎片和纤维是主要形式. 这些持久的微塑料可以深入土壤,造成长期的环境和健康风险.
科学领域:
- 环境科学 环境科学
- 土壤科学 土壤科学
- 生态毒理学 生态毒理学
背景情况:
- 污水污泥的土地应用是陆地生态系统中微塑料 (MP) 污染的重要途径.
- 议员在土壤中的命运,行为,分布和运输情况尚不清楚.
- 污泥中的微塑料污染是一个新兴的研究领域,具有潜在的未来意义.
研究的目的:
- 进行对土壤中污水污泥微塑料污染研究的文献分析.
- 确定该领域当前的研究热点和趋势.
- 突出需要进一步调查MP的行为和土壤中的风险.
主要方法:
- 科学文献的图书统计分析和可视化.
- 使用CiteSpace软件进行数据分析.
- 专注于污水污泥微塑料污染的已审查的出版物.
主要成果:
- 污水污泥含有高度的微塑料 (10^410^5颗粒/公斤).
- 土地应用导致土壤中显著的微塑料积累 (例如,中国每年1.7 × 10^13颗粒).
- 聚胺,聚乙烯和聚烯的碎片和纤维 (白色) 是主要的,穿透高达90厘米,持续数十年.
结论:
- 污泥的应用大大增加了土壤中的微塑料含量,其中碎片和纤维占主导地位.
- 微塑料的运输受土壤特性和环境因素的影响,观察到长期的持久性.
- 进一步的研究对于了解MP行为,风险评估和可持续的污泥管理至关重要.
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