The Removal of Uranium onto Nanoscale Zero-Valent Iron Particles in Anoxic Batch Systems
Figure 5
Schematic diagram of the following: (a) a typical nanoparticle injection well: the technology is very similar to that used for injection of CO2 into subterranean storage reservoirs; (b) in situ vadose (oxic) zone treatment of metal and metalloid aqueous contaminant species using nanoscale zero-valent iron particles: contaminants remobilise shortly after nanoparticle injection due to the abundant supply of dissolved oxygen; and (c) in situ phreatic (anoxic) zone treatment of metal and metalloid aqueous contaminant species using nanoscale zero-valent iron particles: contaminants remain immobilised due to the limited supply of dissolved oxygen.
