한국지하수토양환경학회지:지하수토양환경 (Journal of Soil and Groundwater Environment)

  • 제23권6호
  • /
  • Pages.82-89
  • /
  • 2018
  • /
  • 1598-6438(pISSN)
  • /
  • 2287-8831(eISSN)
한국지하수토양환경학회 (Korean Society of Soil and Groundwater Environment)
권호 표지
DOI QR코드

DOI QR Code

화력발전소의 회처리장 내 비산먼지 저감을 위한 화학적 먼지억제제 적용 연구

Application of Chemical Dust Suppressants for Control of Fugitive Dust in Ash pond of Thermal Power Plant

  • 투고 : 2018.11.05
  • 심사 : 2018.12.04
  • 발행 : 2018.12.31
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

The objective of this study is to evaluate efficiencies of chemical suppressants for control of fugitive dust in ash pond of thermal power plant. In this study, $MgCl_2$, PAM (polyacrylamide), and PVA (poly vinyl alcohol) that are generally applied to suppression of fugitive dust generated from unpaved road, coal mining, storage piles and etc, were employed as chemical dust suppressants. The coal ash (coal combustion residuals) were sampled from the ash pond of Yeongheung power division in Incheon, South Korea. The characterization of the sample including particle size distribution, pH, $pH_{PZC}$ and pore volume as well as XRF analysis were carried out. The suppressant treated-samples were investigated with the wind tunnel experiments to estimate and compare the effect of suppressants on stabilization of the surface of coal ash samples. According to the results, the stability of suppressant-treated samples were significantly improved compared to water-treated samples. Among the three kinds of suppressants, PAM and PVA showed higher efficiencies and cost saving than $MgCl_2$.

키워드

JGSTB5_2018_v23n6_82_f0001.png 이미지

Fig. 1. Average wind velocity and maximum wind velocity for each month in the past 5 years (2013~2017).

JGSTB5_2018_v23n6_82_f0002.png 이미지

Fig. 2. Particle size distribution of the coal ash sample.

JGSTB5_2018_v23n6_82_f0003.png 이미지

Fig. 3. Point of zero charge measurement for the coal ash sample.

JGSTB5_2018_v23n6_82_f0004.png 이미지

Fig. 4. Stabilization efficiency of the dust after water treatment.

JGSTB5_2018_v23n6_82_f0005.png 이미지

Fig. 5. Stabilization efficiency of the dust after MgCl2 treatment at different application rates (232 g/m2 (a), 464 g/m2 (b), 928 g/m2 (c) and 1,393 g/m2 (d)).

JGSTB5_2018_v23n6_82_f0006.png 이미지

Fig. 6. Stabilization efficiency of the dust after PAM treatment at different application rates (2.2 g/m2 (a), 4.4 g/m2 (b), 8.9 g/m2 (c)).

JGSTB5_2018_v23n6_82_f0007.png 이미지

Fig. 7. Stabilization efficiency of the dust after PVA treatment at different application rates (2.2 g/m2 (a), 4.4 g/m2 (b), 8.9 g/m2 (c)).

Table 1. Summary of wind tunnel experiments

JGSTB5_2018_v23n6_82_t0001.png 이미지

Table 2. Chemical composition of the coal ash sample by XRF analysis

JGSTB5_2018_v23n6_82_t0002.png 이미지

참고문헌

  1. Addo, J.Q., Chenard, M., and Sanders, T.G., 2004, Road dust suppression: Effect on maintenance, stability, safety and the environment (phases 1-3), Mountain Plains Consortium, North Dakota State University, ND, USA.
  2. Amato, F., Querol,. X., Johansson, C., Nagl, C., and Alastuey, A., 2010, A review on the effectiveness of street sweeping, washing and dust suppressants as urban PM control methods, Science of the Total Environment, 408, 3071-3082.
  3. Babic, B.M., Milonjic, S.K., Polovina, M.J., and Kaludierovic, B.V., 1999, Point of zero charge and intrinsic equilibrium constants of activated carbon cloth, Carbon, 37, 477-481. https://doi.org/10.1016/S0008-6223(98)00216-4
  4. Barvenik, F.W., 1994, Polyacrylamide characteristics related to soil applications. Soil Sci., 158, 235-243. https://doi.org/10.1097/00010694-199410000-00002
  5. Byrn, S.R., Zografi, G., and Chen, X., 2017, Solid-State Properties of Pharmaceutical Materials, John Wiley & Sons, 223-234.
  6. Choi, B.S., Lim, J.E., Choi, Y.B., Lim, K.J., Choi, J.S., Joo, J.H., Yang, J.E., and Ok, Y.S., 2009, Applicability of PAM (Polyacrylamide) in Soil Erosion Prevention: Rainfall Simulation Experiments, Korean Journal of Environmental Agriculture, 28(3), 249-257. https://doi.org/10.5338/KJEA.2009.28.3.249
  7. Choi, Y.B., Choi, B.S., Kim, S.W., Lee, S.S., and Ok, Y.S., 2010, Effects of Polyacrylamide and Biopolymer on Soil Erosion and Crop Productivity in Sloping Uplands: A Field Experiment, Journal of Korean Society of Environmental Engineers, 32(11), 1024,1029.
  8. Davison, R.L., Natusch, D.F.S., Wallace, J.R., and Evans Jr., C.A., 1974, Trace elements in fly ash: dependence of concentration on particle size, Environ. Sci. Technol., 8, 1107-1113. https://doi.org/10.1021/es60098a003
  9. Dumm, T.F. and Hogg, R., 1987, Particle Size Distribution of AirBorne Dust In Coal Mines, Proceedings of The 3rd US Mine Ventilation Symposium, 510-516.
  10. Fischer, G.L., Prentice, B.A., Silberman, D., Ondov, J.M., Bierman, A.H., Ragaini, R.C., and MacFarland, A.R., 1978. Physical and morphological studies of size-classified coal fly ashes, Environ. Sci. Technol., 12, 447-451. https://doi.org/10.1021/es60140a008
  11. Gottlieb, B., Gilbert, S.G., and Evans, L.G., 2010, Coal ash: The toxic threat to our health and environment, https://www.psr.org/wp-content/uploads/2018/05/coal-ash.pdf [accessed 18.10.08]
  12. Jala, S. and Goyal, D., 2006, Fly ash as a soil ameliorant for improving crop production-a review, Bioresource Technology, 97, 1136-1147. https://doi.org/10.1016/j.biortech.2004.09.004
  13. Kang H.S., Hwang, J.S., and Yoo, W.Y., 2007, A Decrease of Fugitive Dust on Coal Storage Pile by Treating Polyvinyl Alcohol-surfactant, Journal of Korean Society of Environmental Engineers, 29(12), 1400-1403.
  14. KEI, 2014, Minimizing Environmental Impact in Accordance with Thermal Power Plant Ash Management (I), Korea Environment Institute, South Korea.
  15. KMA, Korea Meteorological Administration Homepage, https://data.kma.go.kr/cmmn/main.do [accessed 18.06.19]
  16. Li, J., Su, L., Li, J., Liu, M.F., Chen, S.F., Li, B., Zhang Z.W., and Liu, Y.Y., 2015, Influence of sucrose on the stability of W1/O/W2 double emulsion droplets, RSC Adv., 5, 83089-83095. https://doi.org/10.1039/C5RA11155B
  17. LIPSA, R., TUDORACHI, N., GRIGORA , A., VASILE, C., GR DINARIU, P., 2015, Study on poly(vinyl alcohol) copolymers biodegradation, Memoirs of the Scientific Sections of the Romanian Academy, 38, 8-25.
  18. Muuns, R., 2002, Comparative physiology of salt and H2O stress. Plant, Cell and Environment, 25(2), 239-250. https://doi.org/10.1046/j.0016-8025.2001.00808.x
  19. Paulson, C.A.J. and Ramsden, A.R., 1970. Some microscopic features of fly ash particles and their significance in relation to electrostatic precipitation. Atmospheric Environment, 4(2), 175-185. https://doi.org/10.1016/0004-6981(70)90007-7
  20. Polat, M., Polat, H., Chander, S., and Hogg, R., 2002, Characterization of Airborne Particles and Droplets: Relation to Amount of Airborne Dust and Dust Collection Efficiency, Part. Part. Syst.Charact., 19, 38-46. https://doi.org/10.1002/1521-4117(200204)19:1<38::AID-PPSC38>3.0.CO;2-S
  21. Sahu, P., 2010, Characterization of coal combustion by-prod ucts (CCBs) for their effective management and utilization, National institute of technology, Final thesis, National Institutes of Technology, India
  22. Seo, Y.H., 2011, A Laboratory Study on Short-Term Efficien cies of Chemical Dust Suppressants to Reduce Fugitive Dust, Final thesis, Inha University. South Korea.
  23. Sojka R.E., Bjorneberg, D.L., Entry, J.A., Lentz, R.D., and Orts, W.J., 2007, Polyacrylamide in agriculture and environmental land management, Adv. Agron., 92, 75-162.
  24. US EPA, 1985, Dust Control at Hazardous Waste Sites, U.S. Envrionmental Protection Agency, Washington, DC.
  25. USDA, 1999, Dust Palliative Selection Application Guide, United States Department of Agriculture, Washington, DC.
  26. US EPA, 2004, Potential Environmental Impacts of Dust Suppressants: Avoiding another Times Beach, An Expert Panel Summary, U.S. Envrionmental Protection Agency, Las Vegas, Nevada.
  27. Valenic, A., 2013, Dust suppression in coal ash applications, http://www.flyash.info/2013/098-Valencic-2013.pdf [accessed 18. 05.23]
  28. Yoon, M.J., Lee, B.H., and Lim, H.J., 1988, The Control Measurement of Fugitive Dust for Coal Storage Pile, proceedings of Korean Society for Atmospheric Envrionmental, 1, 3-37.