Metal content and particle size distribution of street sediments and street sweeping waste
作者： J. German , G. Svensson
关键词: Grain size 、 Heavy metals 、 Sediment 、 Particle size 、 Pollution 、 Granulometry 、 Environmental science 、 Particle-size distribution 、 Environmental engineering 、 Pollutant
摘要: During recent years the interest in street sweeping as a pollutant control measure has increased. For planning of programs and disposal waste there is need to investigate composition effect on remaining sediments street. Particle size distribution heavy metal concentration been measured for waste, before after sweeping. The results show that concentrations metals are function particle diameter proportional inverse diameter, i.e. highest found finest fractions. Regression equations presented. According Swedish guidelines environmental quality contaminated sites, can not be considered serious problem. largest amount sediment sandy fractions (0.125-0.5 mm). sweeper more effective removing coarse than fine. This means finer before.
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