通过Moringa oleifera种子从饮用水中去除微塑料:在直接和直线过系统中与的比较性能
Gabrielle S Batista1, Victoria A S Ferreira1, Luiz G R Godoy1
1São Paulo State University (UNESP), Institute of Science and Technology, Environmental Engineering Department, São José dos Campos 12247-016, Brazil.
ACS omega
|February 9, 2026
概括
莫林加油 (Moringa oleifera) 种子提取物有效地通过在线过从饮用水中去除老化的PVC微塑料. 这种可持续的方法与直接过性能相匹配,为水处理提供了一个有希望的替代方案.
科学领域:
- 环境科学 环境科学
- 水处理技术 水处理技术
- 材料科学 材料科学 材料科学
背景情况:
- 微塑料污染,特别是老化聚乙烯 (Aged-PVC MPs),对饮用水源构成了重大挑战.
- 传统的水处理方法可能无法完全消除微塑料.
- 自然凝固剂为净化水提供了潜在的可持续解决方案.
研究的目的:
- 为了研究Moringa oleifera种子盐酸提取物 (MOS-SE) 和硫酸 () 对于从饮用水中去除老化PVCMP的有效性.
- 为了比较直接过 (凝血-花-过) 和直线过 (凝血-过) 系统的性能.
- 为了评估在各种pH条件 (5.0-8.0) 中的去除效率.
主要方法:
- 陈旧的PVC MPs和湿酸被入合成低度水中.
- 实验使用直接过和直线过系统与MOS-SE和进行了实验.
- 通过度测量和扫描电子显微镜粒子计数来评估移除效率.
- 使用非侵入式的花成像分析了花特性.
- 测量了溶解有机碳 (DOC) 和特定紫外线吸收率 (SUVA),以评估有机物去除.
主要成果:
- 在最佳条件下 (pH 6.0),MOS-SE和均实现了>98%的度去除和>98%的老化PVC MP去除 (pH 6.0).
- 在线过证明了与直接过相等的微塑料去除效率,使花化步骤不必要.
- 与 (5.0-7.0) 相比,MOS-SE在更广泛的pH范围 (5.0-8.0) 中表现出优异的性能.
- 尽管DOC略有增加,MOS-SE有效地减少了芳香天然有机物,SUVA减少了88%,这是证据.
结论:
- 莫林加油种子盐水提取物是饮用水处理中微塑料去除的可行和可持续的替代品.
- 在线过是一种高效和简化的微塑料去除方法,不需要单独的花化步骤.
- 该研究强调了天然凝固剂的潜力,如MOS-SE用于先进的净水技术.
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