Effect of Coupled Dissolution and Redox Reactions on Cr(VI)aq Attenuation during Transport in the Sediments under Hyperalkaline Conditions

Aluminum-rich, hyperalkaline (pH > 13.5) and saline high-level nuclear waste (HLW) fluids at elevated temperatures (>50 degrees C), that possibly contained as much as 0.41 mol L(-1) Cr(VI), accidentally leaked to the sediments at the Hanford Site, WA. These extreme conditions promote base-indu...

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Veröffentlicht in:	Environmental science & technology 2003-08, Vol.37 (16), p.3640-3646
Hauptverfasser:	QAFOKU, Nikolla P., AINSWORTH, Calvin C., SZECSODY, James E., QAFOKU, Odeta S., HEALD, Steve M.
Format:	Artikel
Sprache:	eng
Schlagworte:	Alkalies Applied sciences Biological and physicochemical properties of pollutants. Interaction in the soil Carcinogens, Environmental - chemistry Cell division Chromium - chemistry Dissolution Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Environmental Monitoring Exact sciences and technology Forecasting Geologic Sediments Oxidation-Reduction Pollution Pollution, environment geology Radioactive Waste Sediments Soil and sediments pollution Soil Pollutants - analysis Solubility Temperature
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