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pH-Dependent Leaching of Dump Coal Ash-Retrospective Environmental Analysis

Authorized Users Only
2009
Authors
Popović, Aleksandar R.
Đorđević, Dragana
Article (Published version)
Metadata
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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 dump
Source:
Energy Sources, Part A: Recovery, Utilization and Environmental Effects, 2009, 31, 17, 1553-1560
Publisher:
  • 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
[ Google Scholar ]
12
12
URI
https://cer.ihtm.bg.ac.rs/handle/123456789/542
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
IHTM
TY  - 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 . .

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