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Characteristic of mercury on the surface of ash originating from electrostatic precipitators of lignite and bituminous coal-fired power plants

Treść / Zawartość
Identyfikatory
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
Mercury concentrations in ash taken from electrostatic precipitations (ESPs) installed in bituminous coal and lignite power plants have been analyzed by the X-ray fluorescence (XRF) method and leaching test supported by detailed coal and ash compositions’ analyses, surface scans and particles size distribution studies. The results showed that mercury was present on the surface of ash particles. Its concentration decreased upon increasing size of ash particles. Leaching tests showed that only small part of mercury was removed with water which suggests the fact that it occurred mostly in the form of insoluble compounds such as Hg, HgO, HgS and Hg2Cl2. There existed ash particles of the diameters from 50 to 60 μm, characterizing by the maximum capability to adsorb mercury and its compounds. The authors suggest that metals like copper and lead formed ash active centers that were preferably occupied by molecules containing atoms of mercury. It was highly possible to expect that content of these elements in ash would have a significant effect on sorption of mercury from combustion gases.
Rocznik
Strony
45--59
Opis fizyczny
Bibliogr. 20 poz., tab., rys.
Twórcy
  • Institute of Chemical Process Fundamentals, Academy of Sciences of the Czech Republic, Prague, Czech Republic
  • VŠB Technical University Ostrava, CENET, Centre of Energy Utilization of Non-traditional Energy Sources Ostrava, Czech Republic
  • VŠB Technical University Ostrava, CENET, Centre of Energy Utilization of Non-traditional Energy Sources Ostrava, Czech Republic
  • VŠB Technical University Ostrava, CENET, Centre of Energy Utilization of Non-traditional Energy Sources Ostrava, Czech Republic
  • Wrocław University of Science and Technology, Faculty of Mechanical and Power Engineering, Wrocław, Poland
  • Wrocław University of Science and Technology, Faculty of Environmental Engineering, Wrocław, Poland
Bibliografia
  • [1] PAWŁOWSKI L., Effect of mercury and lead on the total environment, Environ. Prot. Eng., 2011, 37 (1), 105.
  • [2] VÁVROVÁ Z., PALIČKA O., DVOŘÁK P., FOJTŮ R., SZELIGA Z., PILAŘ L., Reduction of mercury emissions from coal combustion in the Czech Republic, IOP Conference Series: Earth and Environmental Science, 2017, 92 (1), 1.
  • [3] PILAR L., VLCEK Z., SZELIGA Z., VESELY V., ZBIEG R., Development of pilot plant for reduction Hg emission from large power plant, [In:] Proc. 27th International Symposium on Transport Phenomena, 20–23 September 2016, Honolulu, USA, 215.
  • [4] MIDOR K., KLIMECKA-TATAR D., CHYBOWSKI L., Innovations in industry. Selected aspects, PA Nova S.A., Gliwice, 2017 (in Polish).
  • [5] SHIM S.H., JEONG S.H., KIM K.-Y., LEE S.-S., Speciation of mercury in coal and sludge combustion flue gases, Environ. Prot. Eng., 2012, 38 (4), 77.
  • [6] MEIJ R., VREDENBREGT L.H.J., WINKEL H.T., The fate and behavior of mercury in coal-fired power plants, J. Air Waste Manage. Assoc., 2002, 52 (8), 912.
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  • [10] WILCOX J., RUPP E., YING S.C., LIM D., NEGREIRA A.S., KIRCHOFER A., FENG F., LEE K., Mercury adsorption and oxidation in coal combustion and gasification processes, Int. J. Coal Geol., 2012, 90–91, 4.
  • [11] QUEROL X., FERNANDEZ-TURIEL J.L., LOPEZ-SOLER A., Trace elements in coal and their behavior during combustion in a large power station, Fuel, 1995, 74 (3), 331.
  • [12] LU Y., ROSTAM-ABADI M., CHANG R., RICHARDSON C., PARADIS J., Characteristics of fly ashes from full-scale coal-fired power plants and their relationship to mercury adsorption, Energy Fuels, 2007, 21 (4), 2112.
  • [13] HOWER J.C., SENIOR C.L., SUUBERG E.M., HURT R.H., WILCOX J.L., OLSON E.S., Mercury capture by native fly ash carbons in coal-fired power plants, Prog. Energy Combust. Sci., 2010, 36 (4), 510.
  • [14] BALTRUS J.P., WELLS A.W., FAUTH D.J., DIEHL J.R., WHITE C.M., Characterization of carbon concentrates from coal-combustion fly ash, Energy Fuels, 2001, 15 (2), 455.
  • [15] KRZYŻYŃSKA R., HUTSON N.D., ZHAO Y., SZELIGA Z., REGUCKI P., Mercury removal and its fate in oxidant enhanced wet flue gas desulphurization slurry, Fuel, 2018, 211, 876.
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  • [17] JILLAVENKATESA A., DAPKUNAS S.J., LUM L.-S., Particle size characterization, NIST Special Publication 960-1, 2001.
  • [18] VAN GRIEKEN R.E., MARKOWICZ A.A., Handbook of X-Ray Spectrometry, Vol. 29, 2nd Ed., Marcel Dekker, Inc., New York 2002.
  • [19] FAN B., JIA L., LI X., LIU J., ZHENG X., JIN Y., Study on mercury adsorption by fly ash from coal-fired boilers of power plants, J. Chin. Soc. Power Eng., 2016, 36 (8), 621.
  • [20] JUN Z., FANGYONG L., JUNHUI F., Thermal stability and adsorption of mercury compounds in fly ash, Open Fuels Energy Sci. J., 2016, 9, 114.
Uwagi
Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-659a627b-c5da-49d3-8e1e-344d091fbaf8
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