pH-Dependent Leaching of Dump Coal Ash-Retrospective Environmental Analysis
Abstract
Trace and major elements in coal ash particles from dump of "Nikola Tesla A" power plant in Obrenovac near Belgrade (Serbia) can cause pollution, due to leaching by atmospheric and surface waters. In order to assess this leaching potential, dump ash samples were subjected to extraction with solutions of decreasing pH values (8.50, 7.00, 5.50, and 4.00), imitating the reactions of the alkaline ash particles with the possible alkaline, neutral, and acidic (e.g., acid rain) waters. The most recently deposited ash represents the greatest environmental threat, while "aged" ash, because of permanent leaching on the dump, was shown to have already lost this pollution potential. On the basis of the determined leachability, it was possible to perform an estimation of the acidity of the regional rainfalls in the last decades.
Keywords:
coal ash / leaching / waste dumpSource:
Energy Sources, Part A: Recovery, Utilization and Environmental Effects, 2009, 31, 17, 1553-1560Publisher:
- Taylor & Francis Inc, Philadelphia
Funding / projects:
- Geohemijska ispitivanja u funkciji pronalaženja novih ležišta fosilnih goriva i zaštite životne sredine (RS-146008)
DOI: 10.1080/15567030802094003
ISSN: 1556-7036
WoS: 000268628300006
Scopus: 2-s2.0-70449565229
Collections
Institution/Community
IHTMTY - JOUR AU - Popović, Aleksandar R. AU - Đorđević, Dragana PY - 2009 UR - https://cer.ihtm.bg.ac.rs/handle/123456789/542 AB - Trace and major elements in coal ash particles from dump of "Nikola Tesla A" power plant in Obrenovac near Belgrade (Serbia) can cause pollution, due to leaching by atmospheric and surface waters. In order to assess this leaching potential, dump ash samples were subjected to extraction with solutions of decreasing pH values (8.50, 7.00, 5.50, and 4.00), imitating the reactions of the alkaline ash particles with the possible alkaline, neutral, and acidic (e.g., acid rain) waters. The most recently deposited ash represents the greatest environmental threat, while "aged" ash, because of permanent leaching on the dump, was shown to have already lost this pollution potential. On the basis of the determined leachability, it was possible to perform an estimation of the acidity of the regional rainfalls in the last decades. PB - Taylor & Francis Inc, Philadelphia T2 - Energy Sources, Part A: Recovery, Utilization and Environmental Effects T1 - pH-Dependent Leaching of Dump Coal Ash-Retrospective Environmental Analysis VL - 31 IS - 17 SP - 1553 EP - 1560 DO - 10.1080/15567030802094003 ER -
@article{ author = "Popović, Aleksandar R. and Đorđević, Dragana", year = "2009", abstract = "Trace and major elements in coal ash particles from dump of "Nikola Tesla A" power plant in Obrenovac near Belgrade (Serbia) can cause pollution, due to leaching by atmospheric and surface waters. In order to assess this leaching potential, dump ash samples were subjected to extraction with solutions of decreasing pH values (8.50, 7.00, 5.50, and 4.00), imitating the reactions of the alkaline ash particles with the possible alkaline, neutral, and acidic (e.g., acid rain) waters. The most recently deposited ash represents the greatest environmental threat, while "aged" ash, because of permanent leaching on the dump, was shown to have already lost this pollution potential. On the basis of the determined leachability, it was possible to perform an estimation of the acidity of the regional rainfalls in the last decades.", publisher = "Taylor & Francis Inc, Philadelphia", journal = "Energy Sources, Part A: Recovery, Utilization and Environmental Effects", title = "pH-Dependent Leaching of Dump Coal Ash-Retrospective Environmental Analysis", volume = "31", number = "17", pages = "1553-1560", doi = "10.1080/15567030802094003" }
Popović, A. R.,& Đorđević, D.. (2009). pH-Dependent Leaching of Dump Coal Ash-Retrospective Environmental Analysis. in Energy Sources, Part A: Recovery, Utilization and Environmental Effects Taylor & Francis Inc, Philadelphia., 31(17), 1553-1560. https://doi.org/10.1080/15567030802094003
Popović AR, Đorđević D. pH-Dependent Leaching of Dump Coal Ash-Retrospective Environmental Analysis. in Energy Sources, Part A: Recovery, Utilization and Environmental Effects. 2009;31(17):1553-1560. doi:10.1080/15567030802094003 .
Popović, Aleksandar R., Đorđević, Dragana, "pH-Dependent Leaching of Dump Coal Ash-Retrospective Environmental Analysis" in Energy Sources, Part A: Recovery, Utilization and Environmental Effects, 31, no. 17 (2009):1553-1560, https://doi.org/10.1080/15567030802094003 . .