Diesel Nanoparticles Removal by Charged Spray

A. Krupa1, A. Jaworek1, M. Szudyga2, T. Czech1, A. T. Sobczyk1, A. Marchewicz1, T. Antes2, W. Balachandran3, R. Beleca3, F. Di Natale4, and L. D'Addio4

1Institute of Fluid Flow Machinery, Polish Academy of Sciences, Poland
2Rafako S. A, Research and Development Office, ESP Division, Poland
3Department of Electronic and Computer Engineering, Brunel University, United Kingdom
4Department of Chemical Engineering, University of Naples Federico II, Italy

Abstract- New regulations regarding PM1 emission by power plants and transport vehicles require novel technical solutions for the abatement of particulate matter emission in submicron size range. Particles of this size are difficult to remove by conventional methods, and therefore various variants of wet electrostatic scrubbers have been developed. In such devices, the electrostatic forces between charged particles and water droplets are employed in order to remove the particles from exhaust gas. The paper presents electrohydrodynamic issues in wet electrostatic scrubbers used for the removal of submicron particles, and presents results of investigations of cleaning exhaust gases from marine diesel engine.

Keywords-Electrostatic scrubbing, PM removal, diesel exhaust

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