Fig. 1. Schematic of the mist eliminator considered as a reference (Kim et al., 2018).
Fig. 2. Discharge electrode shapes (a) sextuple spike electrode (b) saw-tooth electrode.
Fig. 3. Collecting plate shapes (a) circular (b) hexagonal (c) square.
Fig. 4. Schematic of experimental setup.
Fig. 5. Voltage-current characteristics of the electrostatic precipitators according to discharge electrode shape.
Fig. 6. Comparison of collection efficiency between the collecting plates of electrostatic precipitator
Fig. 7. Comparison of collection efficiency between the electrostatic precipitator and the mist eliminator at the same aerosol flow rate.
Fig. 8. SEM image of limestone particles (a) sampled from the agitated tank (b) sampled right after the spray nozzle; (c) sampled after the mist eliminator; (d) sampled after the electrostatic precipitator.
Table 1. Cases of electrostatic precipitator shape considered in this study.
Table 2. EDS analysis result for the sampled limestone particles.
참고문헌
- Brook, R.D., Brook, J.R., and Rajagopalan, S. (2003). Air pollution: The "heart" of the problem, Current Hypertension Reports, 5, 32-39. https://doi.org/10.1007/s11906-003-0008-y
- Cardu, M., and Baica, M. (1999). Regarding a global methodology to estimate the energy-ecologic efficiency of thermopower plants, Energy Conversion and Management, 40, 71-87. https://doi.org/10.1016/S0196-8904(98)00038-7
- Chung, J.W., Lee, Y.H., Lee, H.D., Park, J.H., Jun, G.I., and Cho, M.H. (2003). Characteristics of fly ashes emitted from large scale industrial process, Journal of Korea Society of Waste Management, 20, 179-185.
- Espinola, F., Moya, M., Fernandez, D.G., and Castro, E. (2009). Improved extraction of virgin olive oil using calcium carbonate as coadjuvant extractant, Journal of Food Engineering, 92, 112-118. https://doi.org/10.1016/j.jfoodeng.2008.10.038
- Fletcher, R.A., and Bright, D.S. (2000). Shape factors of ISO 12103-A3 (Medium Test Dust), Filtration and Separation, 37(9), 49-56.
- Hassan, M.S., and Lau, R.W.M. (2009). Effect of particle shape on dry particle inhalation: study of flowability, aerosolization, and deposition properties, AAPS PharmSciTech, 10(4), 1252-1262. https://doi.org/10.1208/s12249-009-9313-3
- He, Q.C., Lioy, P.J., Wilson, W.E., and Chapman, R.S. (1993). Effects of air pollution on children's pulmonary function in urban and suburban areas of Wuhan People's Republic of China, Archives of Environmental Health: An international Journal, 48, 382-391. https://doi.org/10.1080/00039896.1993.10545959
- Kim, M.W., Yook, S.J., and Yu, T.U. (2018). Collection efficiency of a mist eliminator for wet flue gas desulfurization, Particle and Aerosol Research, 14(3), 73-80. https://doi.org/10.11629/JPAAR.2018.14.3.073
- Lei, Y.C., Chan, C.C., Wang, P.Y., Lee, C.T., and Cheng, T.J. (2004). Effects of Asian dust event particles on inflammation markers in peripheral blood and bronchoalveolar lavage in pulmonary hypertensive rats, Environmental Research, 95, 71-76. https://doi.org/10.1016/S0013-9351(03)00136-1
-
Peters, T.M. (2006). Use of the aerodynamic particle sizer to measure ambient
$PM_{10-2.5}$ : The coarse fraction of$PM_{10}$ , Journal of the Air and Waste Management Association, 56, 411-416. https://doi.org/10.1080/10473289.2006.10464522 - Pope III, C.A., Burnett, R.T., Thun, M.J., Calle, E.E., Krewski, D., Ito, K., and Thurston, G.D. (2002). Lung cancer, cardiopulmonary mortality, and long-term exposure to fine particulate air pollution, Journal of the American Medical Association, 287, 1132-1141. https://doi.org/10.1001/jama.287.9.1132
- Wall, T.F. (2007). Combustion processes for carbon capture, Proceedings of the Combustion Institute, 31, 31-47. https://doi.org/10.1016/j.proci.2006.08.123
-
Yi, D.G., and Sung, J.H. (2018). The local effects of coal-fired power plant shutdown on
$PM_{2.5}$ concentration: evidence from a policy experiment in Korea, Environmental and Resource Economics Review, 27(2), 315-337. https://doi.org/10.15266/KEREA.2018.27.2.315