Distributed-rate model analysis of 1,2-dichlorobenzene batch sorption and desorption rates for five natural sorbents

Article Abstract:

This article examines the sorption and desorption rates of organic pollutants, in particular 1,2-dichlorobenzene.

Ecological Sciences, Statistical Data Included, Environmental sciences

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Rate-limited sorption and desorption of 1,2-dichlorobenzene to a natural sand soil column

Article Abstract:

Researchers from University of Virginia measured the uptake and desorption rate of 1,2-dichlorobenzene in natural soil through water-saturated soil columns from the Picatinny Arsenal in Morris County, NJ.

Pollution, Morris County, New Jersey, University of Virginia

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Modeling the desorption of organic contaminants from long-term contaminated soil using distributed mass transfer rates

Article Abstract:

The desorption of trichloroethene from long-term contaminated soil was modeled using distributed mass transfer rates. Both log-normal and gamma distributions of mass transfer rates were used to develop optimal model simulations. In comparison with the two-site equilibrium/kinetic model, the distributed mass-transfer rate models in both soil column and batch tests showed greatly improved simulations of aqueous concentrations. The two-site equilibrium/kinetic model is significantly affected by the partition coefficient value.

Pollution Control R&D, Models, Soil pollution, Pollutants, Pollution control research, Soil research

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