Particle Characterization

Kuhlbusch, Thomas A. J.; Asbach, Christof

doi:10.1002/9780470910917.ch4

Cited by 1 publication

(1 citation statement)

References 67 publications

(65 reference statements)

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“…Few emission inventories have been created for UFPs, but although constructed using different approaches, they all concluded that the highest contribution comes from emissions of industrial combustion processes and traffic-related emissions (Cass et al, 2000;Kuhlbusch and Asbach, 2011;Kulmala et al, 2011;Buonanno et al, 2009). In cement industries, dust is emitted from stockpiles, quarrying, transportation of raw materials, kiln operation, clinker cooling, and milling (Abdul-Wahab, 2006;European Commission, 2010;Gupta et al, 2012).…”

Section: Introductionmentioning

confidence: 99%

Emission of submicron aerosol particles in cement kilns: Total concentration and size distribution

Rotatori

Mosca

Guerriero

et al. 2014

Journal of the Air & Waste Management Association

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Cement plants are responsible for particle and gaseous emissions into the atmosphere. With respect to particle emission, the greater part of is in the range from 0.05 to 5.0 µm in diameter. In the last years attention was paid to submicron particles, but there is a lack of available data on the emission from stationary sources. In this paper, concentration and size distribution of particles emitted from four cement kilns, in relationship to operational conditions (especially the use of alternative fuel to coal) of the clinker process are reported. Experimental campaigns were carried out by measuring particles concentration and size distribution at the stack of four cement plants through condensation particle counter (CPC) and scanning mobility particle sizer spectrometer (SMPS). Average total particle number concentrations were between 2000 and 4000 particles/cm 3 , about 8-10 times lower that those found in the corresponding surrounding areas. As for size distribution, for all the investigated plants it is stable with a unimodal distribution (120-150 nm), independent from the fuel used.Implications: The study provides information on submicron particles emitted from cement kilns in different driving conditions. In particular, the total particle number is modest and considerably lower than that measured in ambient air, whereas the particle size distribution could be influenced by the operational conditions.

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