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Characterization of the pores in hydrous ferric oxide aggregates formed by freezing and thawing

Hofmann, Annette ; Pelletier, Manuel ; Michot, Laurent ; Stradner, Anna ; Schurtenberger, Peter ; Kretzschmar, Ruben

In: Journal of Colloid and Interface Science, 2004, vol. 271, p. 163-173

Hydrous ferric oxides (HFO) are efficient sorbents for inorganic and organic pollutants and therefore have great potentials in environmental science and engineering applications. Freezing and thawing of HFO suspensions leads to the formation of dense HFO aggregates. It facilitates the handling and increases the drying rate of HFO. In this study, we used a combination of pycnometry, gas adsorption...