Modeling of Pollutant Transport from a Stationary Phase into a Flowing Stream with Reversible Adsorption

Modeling of Pollutant Transport from a Stationary Phase into a Flowing Stream with Reversible Adsorption

Modeling of pollutant transport from a stationary phase into a flowing stream with reversible adsorption was presented. Spilled bitumen compounds, soluble both in oil and water, could leach slowly into the subsurface aquifer, posing a threat of groundwater contamination to the environment. Molecular...

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Veröffentlicht in:American journal of bioethics 2009-01, Vol.31 (4), p.338-338
Hauptverfasser: Tang, J S, Kam, SI
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container_title American journal of bioethics
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creator Tang, J S
Kam, SI
description Modeling of pollutant transport from a stationary phase into a flowing stream with reversible adsorption was presented. Spilled bitumen compounds, soluble both in oil and water, could leach slowly into the subsurface aquifer, posing a threat of groundwater contamination to the environment. Molecular diffusion of phenol in bitumen was the rate-determining step and the transfer mechanism could be adequately described by a de-coupled second-order convective-dispersive equation. The results showed that phenol concentration decreased with the distance from the bitumen-water interface, and the phenol profile extended less into the aquifer with adsorption. It was concluded that phenol mobility was reduced by a delay factor related to the adsorption and desorption characteristics.
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title Modeling of Pollutant Transport from a Stationary Phase into a Flowing Stream with Reversible Adsorption
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