Fine particles, PM2.5, and coarse particles, PM10, can penetrate deep into the lungs, triggering inflammation and oxidative ...

Particles with diameters between 2.5 and 10 micrometers are correspondingly known as coarse and typically are primary particles generated by physical-mechanical processes (Seinfeld & Pandis ...

large objects are removed by screening using grids a coarse filter bed made from clean sand and gravel removes larger insoluble grit particles aluminium sulfate is added to clump smaller insoluble ...