堆肥处理增加了在加工和堆肥产品中微塑料污染的风险
Jiajia Zhang1, Jiawei Liu2, Wencheng Ding3
1Institute of Plant Nutrition, Resources and Environment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
Journal of hazardous materials
|January 8, 2025
概括
堆肥有机废物增加了农业土壤中的微塑料 (MP) 污染,尽管有分类工作. 这个过程改变了MP,可能会增加最终堆肥产品中的生态风险.
科学领域:
- 环境科学 环境科学
- 土壤科学 土壤科学
- 废物管理 废物管理
背景情况:
- 有机堆肥是微塑料进入农业土壤的关键途径.
- 堆肥对MPs污染动态的影响尚不清楚.
研究的目的:
- 在堆肥过程中调查MP的污染特征.
- 量化与堆肥中的MP相关的生态风险.
主要方法:
- 在堆肥之前和之后,分析农业废物中的MP.
- 描述MP的尺寸,类型和形态.
- 评估MPs对矿物合物的坚持.
主要成果:
- 排序减少了国会议员,但仍然存在大量金额.
- 堆肥增加了MPs的丰富性和较小MPs (<1毫米) 的比例.
- 国会议员的体积减少,形态变得更加粗,对矿物合物的坚持增加.
结论:
- 堆肥处理在过程中和最终产品中加剧了MP的污染.
- 这些发现为制定有机堆肥MPs标准提供了基础.
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