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从化品喷雾产品中对微小颗粒物物排放和吸入暴露的控制方法的开发
Gui Dai1, Luoqiu Quan1, Xinghua Jiang1
1Department of Environmental Science and Engineering, Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, Fudan University, Shanghai 200433, China.
ACS environmental Au
|January 26, 2026
概括
化品喷雾剂释放可吸入颗粒物 (PM),造成呼吸道风险. 修改喷雾喷嘴设计,比如使用形管道,可以显著减少呼吸道中的颗粒沉积.
科学领域:
- 环境健康 环境健康
- 气溶科学 气溶科学
- 化品科学 化品科学
背景情况:
- 化品喷雾产品提供方便的个人护理,但会释放可吸入颗粒物 (PM).
- 有限的研究存在于用于脸部和部的化品喷雾剂的PM排放,以及减少暴露的策略.
- 从化品喷雾中吸入PM可能会对呼吸系统健康造成风险.
研究的目的:
- 系统地评估从化品喷雾产品中发出的颗粒大小分布和度.
- 使用多路粒子剂量计模型量化吸入的PM的呼吸道沉积剂量.
- 开发和测试喷雾执行器的工程修改,以减少吸入暴露.
主要方法:
- 在模拟实际使用条件下对12种化品喷雾产品的颗粒大小分布,数量和质量度进行实验室分析.
- 应用多路径颗粒剂量计 (MPPD) 模型来估计头部,气管支气管和肺部的沉积剂量.
- 修改执行器结构的开发和测试,包括外部管道和更改的机械断裂设计.
主要成果:
- 观察到大量的PM排放,受喷嘴设计和产品成分的影响,PM10的最大度达到1.03 × 10^6 #/cm3 (数量) 和36.17 mg/m3 (质量).
- 圆管的修改证明是最有效的,降低了亚微米颗粒沉积剂量的88.6% (数量) 和65.7% (质量).
- 拟议的工程控制表明,在不影响产品交付效率的情况下,可显著减少吸入暴露.
结论:
- 化品喷雾产品可能是可吸入颗粒物的重要来源,暴露风险因产品而异.
- 经过修改的执行器设计,特别是缩的管道,提供了一种实用和有效的方法来减少吸入时暴露于化品喷雾气溶的风险.
- 该研究提供了具有成本效益的工程策略,以尽量减少与化品喷雾使用相关的呼吸道健康风险.
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