高吞吐量应用ASTM D8332:详细的原型设计和操作条件用于河流系统的微塑料采样
Jeremiah Bryksa1, Patric McGlashan1, Nadia Stelck1
1Northern Alberta Institute of Technology, 10210 Princess Elizabeth Ave, Edmonton Alberta, T5G 0Y2 Canada.
MethodsX
|April 8, 2024
概括
一种新的抽方法,ASTM D8332,有效地采样淡水河流中的微塑料,克服了传统网的局限性. 这种高通量系统有效地收集小颗粒,即使在具有挑战性的条件下.
科学领域:
- 环境科学 环境科学
- 分析化学 分析化学
- 水质监测 水质监测
背景情况:
- 传统的微塑料采样网在淡水河流中因悬浮固体和快速电流的高扎,导致堵塞和损坏.
- 现有的方法往往不适合复杂的水生环境,如河流和废水排放.
研究的目的:
- 评估ASTM D8332标准对淡水河流系统中微塑料采样的适用性.
- 开发和测试一种高吞吐量,便携式的原型,用于在河流中收集微塑料.
主要方法:
- 使用ASTM D8332标准,这涉及将大量水通过一堆.
- 开发了一种轻量级,模块化,便携式的高通量采样原型.
- 在北萨斯喀彻温河 (North Saskatchewan River) 进行实地试验,在较长时间内收集样本.
主要成果:
- 在淡水河流环境中收集微塑料时,ASTM D8332方法被证明是有效的.
- 原型系统在45分钟内成功抽出1500升河水,捕获颗粒到45微米.
- 该系统展示了可移植性和离散电源,使得在各种河流位置,包括市政排放附近的采样.
结论:
- ASTM D8332标准和开发的原型为复杂的淡水系统中微塑料采样提供了实用和高效的解决方案.
- 这种方法克服了传统的基于网的方法的局限性,提高了河流中微塑料检测能力.
- 该系统的设计最大限度地减少了污染,并促进了对微塑料污染的准确现场测量.
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