Hydrologic and Biochemical Processes Controlling Chromium Immobilization in a Low-Permeability Groundwater Zone
Yufeng Gong,
Chunlei Liu,
Yiming Su
et al.
Abstract:Experiments and modeling were performed to investigate the coupled hydrologic and biochemical processes that control chromium (Cr) immobilization in a low-permeability groundwater zone. Bench-top flow cells were packed with a watersaturated high-permeability zone (HPZ) overlying a low-permeability zone (LPZ). Cr(VI) was initially flushed into the LPZ to establish a reservoir of this contaminant. Next, the electron donor acetate and the bacterium Geobacter sulfurreducens were flushed into the HPZ; they mixed wi… Show more
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