生产性粉尘 1.定义:生产过程中形成的,能长时间漂浮在 空气中的固体微粒 2.来源 3.分类: 无机粉尘:金属、非金属、人工无机性粉尘 有机粉尘:动物性、植物性、合成材料粉尘 混合性粉尘
一、生产性粉尘 1. 定义:生产过程中形成的,能长时间漂浮在 空气中的固体微粒。 2. 来源 3. 分类: 无机粉尘:金属、非金属、人工无机性粉尘 有机粉尘:动物性、植物性、合成材料粉尘 混合性粉尘
Dust Exposure in workplace Photograph by k岸 as LNA NIOSH Construction workers drilling hole in concrete pavement during high repair
Dust Exposure in workplace Construction workers drilling hole in concrete pavement during high repair
A simplified illustration of the possibly complex chemical heterogeneity of PM PAH e Amonia
Core Amonia V NO 3 - As Z n Fe Cu Ca Si Pb SO 4 2- PAH Ni Core Amonia V NO 3 - As Z n Fe Cu Ca Si Pb SO 4 2- PAH Ni A simplified illustration of the possibly complex chemical heterogeneity of PM
环境中常见粉尘 Silica, quartz Silicate: asbestos,talc,mica(云母), cement Carbon dust: coal dust, carbon black, graphite(AAg) activated carbon Mixed dust: mineral dust Organic dust: cotton dust. leather dust
环境中常见粉尘 • Silica, quartz • Silicate: asbestos, talc, mica(云母), cement • Carbon dust: coal dust, carbon black, graphite(石墨), activated carbon • Mixed dust:mineral dust • Organic dust: cotton dust, leather dust