Direct Transfer of Gas-Borne Nanoparticles into Liquid Suspensions by Means of a Wet Electrostatic Precipitator

Figures & data

FIG. 1. Schematic of the experimental setup.

FIG. 2. Schematic of the wet electrostatic precipitator (WESP).

FIG. 3. Overall collection efficiencies, current–voltage characteristic of the WESP at different operating currents.

FIG. 4. Grade efficiencies of the WESP at different operating currents.

FIG. 6. Aerosol and suspension particle size distributions for experiments 1A and 1C. For the figure with all error bars, see Figure S3.

FIG. 5. Geometric mean diameters of the aerosols (number-based) and suspensions (number- and volume-based) of experimental set 1.

FIG. 7. Zeta potentials and sediment fractions of the different suspensions of experimental sets 1 and 2.

FIG. 8. Aerosol and suspension particle size distributions for experiments 2C and 2D as well as suspension size distributions 2A to 2D on a concentration scale (insert). For the figure with all error bars, see Figure S5.

FIG. 9. Geometric mean diameters of the aerosols (number-based) and suspensions (number- and volume-based) of experimental set 2.

FIG. 10. LNS PSDs of suspensions generated by ultrasonication of SiO₂ particles for 2 min (US2) and 10 min (US10) and of suspension 1C after direct transfer and after 5 min of ultrasonication (1C-US5) on a number concentration scale.

FIG. 11. Normalized volume-based PSDs from DLS measurements of suspensions generated by ultrasonication of SiO₂ particles for 2 min (US2) and 10 min (US10) and of suspension 1C after direct transfer and after 5 min of ultrasonication (1C-US5).