Physics – Chemical Physics
Scientific paper
2011-04-29
International Review of Chemical Engineering, Vol. 3 n. 2, March 2011, 134-152
Physics
Chemical Physics
19 pages, 13 figures, 98 references
Scientific paper
The review refers to the adsorption/desorption possibility of the magnetite, both natural and synthetic, with respect to hazardous species dissolved in aqueous solutions. The analysis stresses the attention on typical contaminants such as uranium, cadmium, cobalt, europium and arsenic. Most of the studies, performed so far, are on a laboratory scale without any attempts to be applied at larger either pilot or industrial scales. This especially invokes an analysis addressing what it would be when the scale of application increases beyond that of the laboratory flask. This point is of primary importance when fashionable nano-scale magnetite particles are used for sorption. The choice of magnetite is special because this mineral exhibits strong magnetic properties easily allowing creation of devices and processes for both upstream (adsorption) and downstream/ deposition processes such as fixed bed adsorption, magnetically stabilized beds, magnetic separation, and remote deposition of dangerous materials.
Fachikov Ludmil
Hristov Jordan
Petrova Tanya M.
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