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https://open.uns.ac.rs/handle/123456789/16596
Title: | Leachability and physical stability of solidified and stabilized pyrite cinder sludge from dye effluent treatment | Authors: | Kerkez Djurdja Becelic-Tomin Milena Dalmacija Milena Tomasevic Dragana Roncevic Srdjan Pucar Gordana Dalmacija Božo |
Issue Date: | 2015 | Journal: | Hemijska Industrija | Abstract: | © 2015, Association of Chemists and Chemical Engineers of Serbia. All rights reserved. The aim of this paper is to explore the possibilities of using solidification/stabilization (S/S) treatment for toxic sludge generated in dye effluent treatment, when pyrite cinder is used as catalytic iron source in the modified heterogeneous Fenton process. S/S treatment was performed by using different clay materials (kaolin, bentonite and native clay from the territory of Vojvodina) and fly ash in order to immobilize toxic metals and arsenic presented in sludge. For the evaluation of the extraction potential of toxic metals and the effectiveness of the S/S treatment applied, four single-step leaching tests were performed. Leaching test results indicated that all applied S/S treatments were effective in immobilizing toxic metals and arsenic presented in sludge. X-Ray diffraction analysis confirmed the formation of pozzolanic products, and compressive strength measurement proved the treatment efficacy. It can be concluded that the S/S technique has significant potential for solving the problem of hazardous industrial waste and its safe disposal. | URI: | https://open.uns.ac.rs/handle/123456789/16596 | ISSN: | 0367-598X | DOI: | 10.2298/HEMIND140304036K |
Appears in Collections: | PMF Publikacije/Publications |
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