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IDENTIFYING INDICATORS OF REACTIVITY FOR CHEMICAL REDUCTANTS IN ANOXIC AND ANAEROBIC SEDIMENTS
Citation:
ZHANG, H. AND E. J. WEBER. IDENTIFYING INDICATORS OF REACTIVITY FOR CHEMICAL REDUCTANTS IN ANOXIC AND ANAEROBIC SEDIMENTS. Presented at Society for Environmental Toxicology and Society Annual Meeting, Milwaukee, WI, November 13 - 17, 2007.
Impact/Purpose:
To identify indicators of reactivity for chemical reductants in anoxic and anaerobic sediments.
Description:
To develop reaction transport models describing the movement of redox-active organic contaminants through contaminated sediments and aquifers, it is imperative to know the identity and reactivity of chemical reductants in natural sediments and to associate their reactivity with physicochemical indicators that can be readily measured. For this purpose the reactivity, as defined by the reduction rate of p-cyanonitrobenzene (pCNB), of twenty-one natural sediments with either 3-d (anoxic conditions) or 5-w (anaerobic conditions) pre-incubation periods was studied.