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Assessment of Leaching Characteristics of Solidified Products Containing Secondary Alkaline Lead Slag

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2019
4237.pdf (2.377Mb)
Аутори
Štulović, Marija
Radovanović, Dragana
Kamberović, Željko
Korać, Marija
Anđić, Zoran
Чланак у часопису (Објављена верзија)
Метаподаци
Приказ свих података о документу
Апстракт
Reuse of waste is one of the main principles of sustainable development and circular economy. Secondary alkaline lead slag is a hazardous waste generated in the recycling process of lead-acid batteries that may be suitable in construction materials. The environmental impact of the use of lead slag as a partial replacement of fine aggregates in the cement-based stabilization/solidification (S/S) process for the preparation of concrete was studied in this paper. Solidified products containing 10%, 15%, 20%, and 25% slag were laboratory tested by unconfined compressive strength (UCS) analyses and the Toxicity Characteristic Leaching Procedure (TCLP). At the same time, the leachability of toxic elements from solidified products with a high percent of slag was evaluated under environmental conditions for during one year. The results of the UCS and TCLP indicated that utilization of this type of slag in cement-based applications may be justified with its controlled addition. However, the des...cribed application of the slag was disputed due to the high release of As under high alkaline environmental conditions. Eh-pH analyses and the geochemical modeling using the software PHREEQC were evaluated, as well as the mechanism of pollutant (Pb, As) immobilization (precipitation, adsorption) as a function of pH conditions.

Кључне речи:
slag / lead / arsenic / leaching / solidification / stabilization / geochemical modeling
Извор:
International Journal of Environmental Research and Public Health, 2019, 16, 11
Издавач:
  • MDPI, Basel
Финансирање / пројекти:
  • Иновативна синергија нус-продуката, минимизације отпада и чистије производње у металургији (RS-34033)

DOI: 10.3390/ijerph16112005

ISSN: 1661-7827

PubMed: 31195657

WoS: 000472132900133

Scopus: 2-s2.0-85068150322
[ Google Scholar ]
3
4
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4240
Колекције
  • Radovi istraživača / Researchers’ publications (TMF)
  • Radovi istraživača (Inovacioni centar) / Researchers’ publications (Innovation Centre)
Институција/група
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Štulović, Marija
AU  - Radovanović, Dragana
AU  - Kamberović, Željko
AU  - Korać, Marija
AU  - Anđić, Zoran
PY  - 2019
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/4240
AB  - Reuse of waste is one of the main principles of sustainable development and circular economy. Secondary alkaline lead slag is a hazardous waste generated in the recycling process of lead-acid batteries that may be suitable in construction materials. The environmental impact of the use of lead slag as a partial replacement of fine aggregates in the cement-based stabilization/solidification (S/S) process for the preparation of concrete was studied in this paper. Solidified products containing 10%, 15%, 20%, and 25% slag were laboratory tested by unconfined compressive strength (UCS) analyses and the Toxicity Characteristic Leaching Procedure (TCLP). At the same time, the leachability of toxic elements from solidified products with a high percent of slag was evaluated under environmental conditions for during one year. The results of the UCS and TCLP indicated that utilization of this type of slag in cement-based applications may be justified with its controlled addition. However, the described application of the slag was disputed due to the high release of As under high alkaline environmental conditions. Eh-pH analyses and the geochemical modeling using the software PHREEQC were evaluated, as well as the mechanism of pollutant (Pb, As) immobilization (precipitation, adsorption) as a function of pH conditions.
PB  - MDPI, Basel
T2  - International Journal of Environmental Research and Public Health
T1  - Assessment of Leaching Characteristics of Solidified Products Containing Secondary Alkaline Lead Slag
IS  - 11
VL  - 16
DO  - 10.3390/ijerph16112005
ER  - 
@article{
author = "Štulović, Marija and Radovanović, Dragana and Kamberović, Željko and Korać, Marija and Anđić, Zoran",
year = "2019",
abstract = "Reuse of waste is one of the main principles of sustainable development and circular economy. Secondary alkaline lead slag is a hazardous waste generated in the recycling process of lead-acid batteries that may be suitable in construction materials. The environmental impact of the use of lead slag as a partial replacement of fine aggregates in the cement-based stabilization/solidification (S/S) process for the preparation of concrete was studied in this paper. Solidified products containing 10%, 15%, 20%, and 25% slag were laboratory tested by unconfined compressive strength (UCS) analyses and the Toxicity Characteristic Leaching Procedure (TCLP). At the same time, the leachability of toxic elements from solidified products with a high percent of slag was evaluated under environmental conditions for during one year. The results of the UCS and TCLP indicated that utilization of this type of slag in cement-based applications may be justified with its controlled addition. However, the described application of the slag was disputed due to the high release of As under high alkaline environmental conditions. Eh-pH analyses and the geochemical modeling using the software PHREEQC were evaluated, as well as the mechanism of pollutant (Pb, As) immobilization (precipitation, adsorption) as a function of pH conditions.",
publisher = "MDPI, Basel",
journal = "International Journal of Environmental Research and Public Health",
title = "Assessment of Leaching Characteristics of Solidified Products Containing Secondary Alkaline Lead Slag",
number = "11",
volume = "16",
doi = "10.3390/ijerph16112005"
}
Štulović, M., Radovanović, D., Kamberović, Ž., Korać, M.,& Anđić, Z.. (2019). Assessment of Leaching Characteristics of Solidified Products Containing Secondary Alkaline Lead Slag. in International Journal of Environmental Research and Public Health
MDPI, Basel., 16(11).
https://doi.org/10.3390/ijerph16112005
Štulović M, Radovanović D, Kamberović Ž, Korać M, Anđić Z. Assessment of Leaching Characteristics of Solidified Products Containing Secondary Alkaline Lead Slag. in International Journal of Environmental Research and Public Health. 2019;16(11).
doi:10.3390/ijerph16112005 .
Štulović, Marija, Radovanović, Dragana, Kamberović, Željko, Korać, Marija, Anđić, Zoran, "Assessment of Leaching Characteristics of Solidified Products Containing Secondary Alkaline Lead Slag" in International Journal of Environmental Research and Public Health, 16, no. 11 (2019),
https://doi.org/10.3390/ijerph16112005 . .

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