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Portland State University

Theses/Dissertations

Civil and Environmental Engineering

Groundwater -- Pollution

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Rate-Limited Mass Transfer Of Trichloroethene, Deza R. Irving Apr 2017

Rate-Limited Mass Transfer Of Trichloroethene, Deza R. Irving

Civil and Environmental Engineering Undergraduate Honors Theses

Trichloroethene (TCE) is a volatile and toxic contaminant commonly found in the subsurface. To help reduce the effects of this contaminant, it is important to understand the transport and fate behavior of TCE through the subsurface. As groundwater fills the void spaces of a porous media contaminated with pure-phase TCE, the TCE will dissolve into the water, contaminating the groundwater. It was expected that this dissolution would follow a first-order mass transfer process, suggesting that the rate of dissolution of TCE is dependent on the mass of TCE present in solution. The purpose of this study was to characterize the …