Lead immobilization by geopolymers based on mechanically activated fly ash
Authorized Users Only
2014
Authors
Nikolić, VioletaKomljenović, Miroslav
Marjanović, Nataša
Baščarević, Zvezdana
Petrović, Rada
Article (Published version)
Metadata
Show full item recordAbstract
In this paper, the effectiveness of geopolymers based on initial and mechanically activated fly ash in immobilization of lead was investigated. Fly ash (FA) was firstly mechanically and then alkali activated at room temperature. The immobilization process was assessed by the means of the mechanical and leaching properties of geopolymers. The results indicated that the geopolymers based on mechanically activated FA were more effective in the immobilization of lead compared to the geopolymers based on the initial FA. Mechanical activation of FA led to a significant increase in strength and reduced Pb leaching from geopolymers. Higher effectiveness of Pb immobilization was the result of reduced porosity, i.e. higher compactness of geopolymers based on mechanically activated FA.
Keywords:
Geopolymer / Fly ash / Mechanical activation / ImmobilizationSource:
Ceramics International, 2014, 40, 6, 8479-8488Publisher:
- Elsevier Sci Ltd, Oxford
Funding / projects:
- Geopolymers - technology for converting the industrial waste into functional materials (RS-34026)
- COST ActionEuropean Cooperation in Science and Technology (COST) [TU 1301]
DOI: 10.1016/j.ceramint.2014.01.059
ISSN: 0272-8842
WoS: 000335201800104
Scopus: 2-s2.0-84897376593
Institution/Community
Tehnološko-metalurški fakultetTY - JOUR AU - Nikolić, Violeta AU - Komljenović, Miroslav AU - Marjanović, Nataša AU - Baščarević, Zvezdana AU - Petrović, Rada PY - 2014 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/2785 AB - In this paper, the effectiveness of geopolymers based on initial and mechanically activated fly ash in immobilization of lead was investigated. Fly ash (FA) was firstly mechanically and then alkali activated at room temperature. The immobilization process was assessed by the means of the mechanical and leaching properties of geopolymers. The results indicated that the geopolymers based on mechanically activated FA were more effective in the immobilization of lead compared to the geopolymers based on the initial FA. Mechanical activation of FA led to a significant increase in strength and reduced Pb leaching from geopolymers. Higher effectiveness of Pb immobilization was the result of reduced porosity, i.e. higher compactness of geopolymers based on mechanically activated FA. PB - Elsevier Sci Ltd, Oxford T2 - Ceramics International T1 - Lead immobilization by geopolymers based on mechanically activated fly ash EP - 8488 IS - 6 SP - 8479 VL - 40 DO - 10.1016/j.ceramint.2014.01.059 ER -
@article{ author = "Nikolić, Violeta and Komljenović, Miroslav and Marjanović, Nataša and Baščarević, Zvezdana and Petrović, Rada", year = "2014", abstract = "In this paper, the effectiveness of geopolymers based on initial and mechanically activated fly ash in immobilization of lead was investigated. Fly ash (FA) was firstly mechanically and then alkali activated at room temperature. The immobilization process was assessed by the means of the mechanical and leaching properties of geopolymers. The results indicated that the geopolymers based on mechanically activated FA were more effective in the immobilization of lead compared to the geopolymers based on the initial FA. Mechanical activation of FA led to a significant increase in strength and reduced Pb leaching from geopolymers. Higher effectiveness of Pb immobilization was the result of reduced porosity, i.e. higher compactness of geopolymers based on mechanically activated FA.", publisher = "Elsevier Sci Ltd, Oxford", journal = "Ceramics International", title = "Lead immobilization by geopolymers based on mechanically activated fly ash", pages = "8488-8479", number = "6", volume = "40", doi = "10.1016/j.ceramint.2014.01.059" }
Nikolić, V., Komljenović, M., Marjanović, N., Baščarević, Z.,& Petrović, R.. (2014). Lead immobilization by geopolymers based on mechanically activated fly ash. in Ceramics International Elsevier Sci Ltd, Oxford., 40(6), 8479-8488. https://doi.org/10.1016/j.ceramint.2014.01.059
Nikolić V, Komljenović M, Marjanović N, Baščarević Z, Petrović R. Lead immobilization by geopolymers based on mechanically activated fly ash. in Ceramics International. 2014;40(6):8479-8488. doi:10.1016/j.ceramint.2014.01.059 .
Nikolić, Violeta, Komljenović, Miroslav, Marjanović, Nataša, Baščarević, Zvezdana, Petrović, Rada, "Lead immobilization by geopolymers based on mechanically activated fly ash" in Ceramics International, 40, no. 6 (2014):8479-8488, https://doi.org/10.1016/j.ceramint.2014.01.059 . .