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Abstract
One-dimensional models are developed for simulating the base-enhanced electrokinetic treatment of aquifers contaminated with As(V) and Zn(II). The effect of the fraction of H± generated electrolytically at the anode which is neutralized on the time required for remediation is investigated. The effect of the initial speciation of the contaminant [As(V) or Zn(II)] is also explored. Base-enhanced electrokinetic treatment is expected to be useful in the removal of anionic species (arsenate, selenate, fluoride, for example) and in the removal of amphoteric metal ions (lead, zinc, chromium, etc.) from aquifers containing large concentrations of calcium or magnesium carbonate which would interfere with acid-enhanced electrokinetic treatment.
∗ Current address: Eckenfelder, Inc., 227 French Landing Drive, Nashville, Tennessee 37228.
Notes
∗ Current address: Eckenfelder, Inc., 227 French Landing Drive, Nashville, Tennessee 37228.