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Published bySandra Monday Modified over 3 years ago
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Simulation lasts 30 years Aquifer is 70% Quartz Specify domain’s starting fluid composition on the Initial pane Initial fluid in equilibrium with Quartz
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add → Kinetic → Mineral… You enable kinetic reactions on the Reactants pane. Specific surface area Mass already specified on Initial pane Use Arrhenius equation for polythermal runs Supply a nucleus density, critical S.I., cross-affinity terms, etc. You can also… Add promoting or inhibiting species
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Inlet fluid enters the domain from t = 0 to 30 years SiO 2 (aq) concentration in inlet fluid undersaturated with respect to Quartz
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Domain is 100 m long, divided into 400 nodal blocks Pore fluid in aquifer displaced 100 times Specify domain size, gridding, and flow rate on the Domain pane.
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Set various mass transport properties on the Medium pane. Run → Go traces the model No value set, so porosity calculated from volume of equilibrium minerals: 70% Quartz → 30% pore space.
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Inlet fluid is undersaturated with respect to Quartz. SiO 2 (aq) concentration approaches Quartz equilibrium value.
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