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Oxidation of aromatic contaminants coupled to microbial iron reduction

THE contamination of sub-surface water supplies with aromatic compounds is a significant environmental concern1,2. As these contaminated sub-surface environments are generally anaerobic, the microbial oxidation of aromatic compounds coupled to nitrate reduction, sulphate reduction and methane production has been studied intensively1-7. In addition, geochemical evidence suggests that Fe(III) can be
Authors
D. R. Lovley, M.J. Baedecker, D.J. Lonergan, I.M. Cozzarelli, E. J. P. Phillips, D. I. Siegel

The mobilization of aluminum in a natural soil system: Effects of hydrologic pathways

A two-component soil water flow model was used in conjunction with an equilibrium speciation model WATEQF to study aluminum mobility in soils of a forested watershed, White Oak Run, in the Shenandoah National Park, Virginia. Soil solution samples, taken from the O, E, B, C1, and C2horizons, were collected from zero-tension lysimeters designed to collect faster gravitational macropore flow and tens
Authors
Isabelle M. Cozzarelli, Janet S. Herman, Roderic A. Parnell