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Remediation of environment contaminated by lead using synthetic and natural apatites

Stabilizacija zagađenja olovom korišćenjem sintetičkih i prirodnih apatita

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2001
344.pdf (366.8Kb)
Authors
Kaluđerović, Tatjana
Duduković, Aleksandar
Raičević, Slavica
Article (Published version)
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Abstract
Lead contamination is an environmental concern due to its effect on human health. One of the ways of remediating lead contamination is the in situ stabilization of this heavy metal. This can be achieved by converting different types of lead species into Pb-phosphates (pyromorphites), which are among the least soluble Pb-bearing solids. Synthetic hydroxyapatite (Ca5(PO4)3OH) and natural apatite can be used for this purpose. Both hydroxyapatite and some natural apatites are effective in reducing the aqueous Pb concentration to below 15 µgl-1 (EPA drinking water limit). The main mechanism in the case of hydroxyapatite is its dissolution and subsequent precipitation of pyromorphites. The mechanism and the effectiveness of natural apatites depend on the type of apatite, its composition, crystallinity and presence of impurities. Apatites are also effective in reducing the Pb concentration in leachets from contaminated soils in the pH range from 6 to 10. The percentage of Pb concentration red...uction is from 60 to 99.9% depending on the type of contamination and type of apatite amendment applied. These data suggest that apatites have potential to provide cost-effective in situ Pb immobilization.

Keywords:
Contamination remediation / Environmental protection / Hydroxyapatite / Lead / Natural apatite
Source:
Chemical Industry & Chemical Engineering Quarterly, 2001, 7, 1, 114-119
Publisher:
  • Association of the Chemical Engineers of Serbia

ISSN: 1451-9372

Scopus: 2-s2.0-79955040953
[ Google Scholar ]
2
URI
http://TechnoRep.tmf.bg.ac.rs/handle/123456789/347
Collections
  • Radovi istraživača / Researchers’ publications (TMF)
Institution/Community
Tehnološko-metalurški fakultet
TY  - JOUR
AU  - Kaluđerović, Tatjana
AU  - Duduković, Aleksandar
AU  - Raičević, Slavica
PY  - 2001
UR  - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/347
AB  - Lead contamination is an environmental concern due to its effect on human health. One of the ways of remediating lead contamination is the in situ stabilization of this heavy metal. This can be achieved by converting different types of lead species into Pb-phosphates (pyromorphites), which are among the least soluble Pb-bearing solids. Synthetic hydroxyapatite (Ca5(PO4)3OH) and natural apatite can be used for this purpose. Both hydroxyapatite and some natural apatites are effective in reducing the aqueous Pb concentration to below 15 µgl-1 (EPA drinking water limit). The main mechanism in the case of hydroxyapatite is its dissolution and subsequent precipitation of pyromorphites. The mechanism and the effectiveness of natural apatites depend on the type of apatite, its composition, crystallinity and presence of impurities. Apatites are also effective in reducing the Pb concentration in leachets from contaminated soils in the pH range from 6 to 10. The percentage of Pb concentration reduction is from 60 to 99.9% depending on the type of contamination and type of apatite amendment applied. These data suggest that apatites have potential to provide cost-effective in situ Pb immobilization.
PB  - Association of the Chemical Engineers of Serbia
T2  - Chemical Industry & Chemical Engineering Quarterly
T1  - Remediation of environment contaminated by lead using synthetic and natural apatites
T1  - Stabilizacija zagađenja olovom korišćenjem sintetičkih i prirodnih apatita
EP  - 119
IS  - 1
SP  - 114
VL  - 7
UR  - conv_7122
ER  - 
@article{
author = "Kaluđerović, Tatjana and Duduković, Aleksandar and Raičević, Slavica",
year = "2001",
abstract = "Lead contamination is an environmental concern due to its effect on human health. One of the ways of remediating lead contamination is the in situ stabilization of this heavy metal. This can be achieved by converting different types of lead species into Pb-phosphates (pyromorphites), which are among the least soluble Pb-bearing solids. Synthetic hydroxyapatite (Ca5(PO4)3OH) and natural apatite can be used for this purpose. Both hydroxyapatite and some natural apatites are effective in reducing the aqueous Pb concentration to below 15 µgl-1 (EPA drinking water limit). The main mechanism in the case of hydroxyapatite is its dissolution and subsequent precipitation of pyromorphites. The mechanism and the effectiveness of natural apatites depend on the type of apatite, its composition, crystallinity and presence of impurities. Apatites are also effective in reducing the Pb concentration in leachets from contaminated soils in the pH range from 6 to 10. The percentage of Pb concentration reduction is from 60 to 99.9% depending on the type of contamination and type of apatite amendment applied. These data suggest that apatites have potential to provide cost-effective in situ Pb immobilization.",
publisher = "Association of the Chemical Engineers of Serbia",
journal = "Chemical Industry & Chemical Engineering Quarterly",
title = "Remediation of environment contaminated by lead using synthetic and natural apatites, Stabilizacija zagađenja olovom korišćenjem sintetičkih i prirodnih apatita",
pages = "119-114",
number = "1",
volume = "7",
url = "conv_7122"
}
Kaluđerović, T., Duduković, A.,& Raičević, S.. (2001). Remediation of environment contaminated by lead using synthetic and natural apatites. in Chemical Industry & Chemical Engineering Quarterly
Association of the Chemical Engineers of Serbia., 7(1), 114-119.
conv_7122
Kaluđerović T, Duduković A, Raičević S. Remediation of environment contaminated by lead using synthetic and natural apatites. in Chemical Industry & Chemical Engineering Quarterly. 2001;7(1):114-119.
conv_7122 .
Kaluđerović, Tatjana, Duduković, Aleksandar, Raičević, Slavica, "Remediation of environment contaminated by lead using synthetic and natural apatites" in Chemical Industry & Chemical Engineering Quarterly, 7, no. 1 (2001):114-119,
conv_7122 .

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