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Titlu: Zero-valent iron used for radioactive waste water treatment [articol]
Autori: Groza, N.
Rădulescu, R.
Panțuru, E.
Filcenco-Olteanu, Antoneta
Panțuru, R. I.
Subiecte: Nano-particles
Water decontamination
Zero-valent iron
Uranium
Data publicării: 2009
Editura: Timişoara: Editura Politehnica
Citare: Groza, N. Zero-valent iron used for radioactive waste water treatment . Timişoara: Editura Politehnica, 2009
Serie/Nr. raport: Seria chimie şi ingineria mediului, Tom 54(68), fasc. 1 (2009);
Abstract: The paper presents the researches on the synthesis, characterization and decontamination capacities tests of the nanostructured zero-valent iron, which can be used for the radioactive contaminated water treatment from the uranium ore processing plant.There were synthesized two types of nanostructured iron namely: nanostructured zero-valent iron obtained by the boron hydride reducing method and nanostructured iron laid-down on the solid support - activated carbon Purolite resin type AG 20G and Purolite resin type C 160. The research for testing the decontamination capacity of the synthesized materials, which were added commercial resin Purolite ARSEN-Xnp impregnated with iron nanoparticles, have led to a decontamination capacity varied directly as the amount of nanostructured iron from the reactive material. Distribution coefficient values (for uranium) obtained after experiments are related both to the content of nano-iron material reagent and their adsorption properties. Utilization of these types of materials leads to a process with a decontamination efficiency of over 99.99% according to the environmental quality standards in the field of water policy.
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Colecţia:Articole științifice/Scientific articles

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