Abstract
The results of investigations on determination of the peculiarities and regularities of lead fumes emission in the simulation of experimental model of technological process of secondary lead smelting are presented. Emission of the nanoparticles in a working zone air during secondary lead smelting under laboratory conditions has been evaluated. In the process of sample smelting a total concentration of the particles from 1 to 100 nm at 1 m distance from a muffle varied in the range of 24000-32000 particles/cm3. After dross removal the total concentration of nanoparticles in 1 minute has increased to a level of 50000 particles/cm3. The concentration of nanosized lead during smelting increased 3.1 times. Smelting of the secondary lead is accompanied by significant emission of nanorange particles (1-100 nm) into air of the working zone, in particular, lead nanoparticles in form of sulfide.
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