Gas generation from groundwater interaction with an iron treatment wall, Fry Canyon, Utah, USA
By: D.L. Naftz, B.J. Stolp, C.C. Fuller, T. Snyder, and M. Wilkins
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Abstract
Gas generation from groundwater interaction with a field-scale zero-valent iron permeable reactive barrier (ZVI PRB) was measured and simulated with the geochemical reaction path model PHREEQC. Due to anaerobic corrosion of Fe (0) within the ZVI PRB, measured total dissolved gas (TDG) pressure exceeded hydrostatic pressure resulting in ebullition and depletion in dissolved noble gases. Geochemical modeling indicates that Fe (0)corrosion coupled withCH 4(g)production simulates the measured partial pressures ofCH 4(g) within the ZVI PRB required to exceed the hydrostatic pressure. Decreases in Ne(g) and Ar(g) in groundwater from the ZVI PRB indicate that the over pressuring from CH 4(g) production has been sufficient for bubble formation and subsequent ebullition.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Gas generation from groundwater interaction with an iron treatment wall, Fry Canyon, Utah, USA |
| Year Published | 2007 |
| Description | 4 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | Proceedings of the 12th International Symposium on Water-Rock Interaction |
| First page | 629 |
| Last page | 632 |
| Google Analytic Metrics | Metrics page |