Abstract
The kinetics of multilayer deposition of colloidal particles (hematite (α-Fe2O3), chromium (hydrous) oxide (Cr(OH)3, rod-like akageneite (β-FeOOH) and magnetite (Fe3O4) in distilled water) on C1018 steel beads is studied under the influence of magnetic fields. The study is conducted using a packed column technique under the conditions of constant flow rate (3 cm min−1) and pH value (11). The rate of deposition increases rapidly in a magnetic field which remains constant and at a late-stage deposition multilayers are formed. A model of multilayer deposition is proposed. The model involves new parameters which characterize the multilayer deposition probability.
Published Version
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