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Moussaceb, K., Belebchouche, Ch., Ait-Mokhtar, A., Merabet, D.. (1392). Evaluation of the Impact of Ni, Cr and Pb Contained in Effluents of an Industrial unit by the Process of Stabilization/solidification using Hydraulic Binders. , 7(2), 485-494. doi: 10.22059/ijer.2013.628
K. Moussaceb; Ch. Belebchouche; A. Ait-Mokhtar; D. Merabet. "Evaluation of the Impact of Ni, Cr and Pb Contained in Effluents of an Industrial unit by the Process of Stabilization/solidification using Hydraulic Binders". , 7, 2, 1392, 485-494. doi: 10.22059/ijer.2013.628
Moussaceb, K., Belebchouche, Ch., Ait-Mokhtar, A., Merabet, D.. (1392). 'Evaluation of the Impact of Ni, Cr and Pb Contained in Effluents of an Industrial unit by the Process of Stabilization/solidification using Hydraulic Binders', , 7(2), pp. 485-494. doi: 10.22059/ijer.2013.628
Moussaceb, K., Belebchouche, Ch., Ait-Mokhtar, A., Merabet, D.. Evaluation of the Impact of Ni, Cr and Pb Contained in Effluents of an Industrial unit by the Process of Stabilization/solidification using Hydraulic Binders. , 1392; 7(2): 485-494. doi: 10.22059/ijer.2013.628

Evaluation of the Impact of Ni, Cr and Pb Contained in Effluents of an Industrial unit by the Process of Stabilization/solidification using Hydraulic Binders

International Journal of Environmental Research
مقاله 23، دوره 7، شماره 2، تیر 2013، صفحه 485-494    اصل مقاله (244.41 K)
نوع مقاله: Original Research Paper
شناسه دیجیتال (DOI): 10.22059/ijer.2013.628
نویسندگان
K. Moussaceb* 1؛ Ch. Belebchouche1؛ A. Ait-Mokhtar2؛ D. Merabet1
1University A/MIRA Bejaia – Faculty of Technology- Department of Technology– Street Targa- Ouzemour – Bejaia –06000- Algeria
2University of La Rochelle- LEPTIAB -Avenue Michel Crépeau-17042 La Rochelle Cedex 1, Algeria
چکیده
Stabilization/ solidification (S/S) of hazardous waste by hydraulic binders is one of the most
promising ways to reduce the polluting nature of ultimate waste. This study conducted at the laboratory scale, to study of the influence of various parameters namely: the ratio L/S, the contact time solid/liquid, surface and medium of exposure...etc., on the environmental impact of ultimate waste synthesized and real-discharges of an industrial unit, stabilized/ solidified by hydraulic binders. The ANC test, pore water and leaching test on monoliths were carried on samples of the same material to study the influence of pH, L/S ratio and other parameters on the chemical speciation of the species (Pb2+, Cr+3 and Ni+2) in granular materials. Monitoring of the changes in concentrations (TLM test), flows leached and cumulative concentrations of chemical species are used as a criterion for comparison. The use of X-ray diffraction (XRD) is effective for the determination of crystalline phases. The results of XRD may indicate the mechanisms and reactions of immobilization occurring in the process of S/S. The experimental results obtained for the scenario shown indicate that the release of chromium is purely diffusive in against the leaching of lead and nickel is combined by diffusion and chemical
reaction.
کلیدواژه‌ها
Leaching؛ Characterization؛ solubility؛ Ultimate waste (Pb2+؛ Cr+3and Ni+2)؛ Portland cement
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