Dropzone Newsletter

2014



Particle Size Distribution (PSD) - Importance of Specific Gravity

Particle Size Distribution (PSD) - Importance of Specific Gravity

By: Ben Farrell - Imbrium Stormwater Design Engineer
Pollutant removal in stormwater exhibits a distribution of settling velocities, which is a reflection of the complex mixture of transported total suspended solids (TSS). The TSS mixture creates a settling distribution due to the different particle sizes, shapes, temperature, and specific gravities. Solids can be further categorized by type: organic, inorganic, biological, and chemical. The spe...

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