GEOCHEMICAL MODELING OF MAGMATIC GAS SCRUBBING
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dc.contributor.author | Marini L. | |
dc.contributor.author | Gambardella B. | |
dc.date.accessioned | 2022-11-29T05:07:03Z | |
dc.date.available | 2022-11-29T05:07:03Z | |
dc.date.issued | 2005 | |
dc.identifier | https://www.elibrary.ru/item.asp?id=18384889 | |
dc.identifier.citation | Annals of Geophysics, 2005, 48, 4-5, 739-753 | |
dc.identifier.issn | 1593-5213 | |
dc.identifier.uri | https://repository.geologyscience.ru/handle/123456789/40430 | |
dc.description.abstract | The EQ3/6 software package, version 7.2 was successfully used to model scrubbing of magmatic gas by pure water at 0.1 MPa, in the liquid and liquid-plus-gas regions. Some post-calculations were necessary to account for gas separation effects. In these post-calculations, redox potential was considered to be fixed by precipitation of crystalline a-sulfur, a ubiquitous and precocious process. As geochemical modeling is constrained by conservation of enthalpy upon water-gas mixing, the enthalpies of the gas species of interest were reviewed, adopting as reference state the liquid phase at the triple point. Our results confirm that significant emissions of highly acidic gas species (SO2(g), HCl(g), and HF(g)) are prevented by scrubbing, until dry conditions are established, at least locally. Nevertheless important outgassing of HCl(g) can take place from acid, HCl-rich brines. Moreover, these findings support the rule of thumb which is generally used to distinguish SO2-, HCl-, and HF-bearing magmatic gases from SO2-, HCl-, and HF-free hydrothermal gases. | |
dc.subject | magmatic gas | |
dc.subject | magma degassing | |
dc.subject | hydrothermal system | |
dc.subject | crater lake | |
dc.subject | meteoric water | |
dc.subject | scrubbing | |
dc.subject | reaction path modeling | |
dc.title | GEOCHEMICAL MODELING OF MAGMATIC GAS SCRUBBING | |
dc.type | Статья |
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