A. Teixeira, J. C. Tristão, M. H. Araujo
Sep 1, 2012
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0
Influential Citations
44
Citations
Journal
Journal of the Brazilian Chemical Society
Abstract
Iron is a versatile element forming several phases with different oxidation states and structures, such as Feo, FeO, Fe3O4, γ-Fe2O3, α-Fe2O3 and FeOOH. All these phases have unique physicochemical properties which can be used for different applications. In this work, it is described the use of different iron compounds, synthetic and also from natural and waste sources, in environmental and technological applications. Two main research areas are described. The first one is related to strategies to increase the reactivity of Fe phases, mainly by the formation of Feo/iron oxide composites and by the introduction of new metals in the iron oxide structure to promote new surface reactions. The second area is the use of the magnetic properties of some iron phases to produce versatile magnetic materials with focus in adsorption, catalysis and emulsions.