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Start, end of simulation

Specify domain’s starting fluid composition on the Initial pane. Ferric hydroxide mineral. Clean water. Start, end of simulation. Inlet fluid enters the domain from t = 0 to 10 years. Inlet fluid carries Pb ++ and nonreactive Br − into the domain.

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Start, end of simulation

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  1. Specify domain’s starting fluid composition on the Initial pane Ferric hydroxide mineral Clean water Start, end of simulation

  2. Inlet fluid enters the domain from t = 0 to 10 years Inlet fluid carries Pb++and nonreactive Br− into the domain

  3. Specify domain size, gridding, and flow rate on the Domain pane. Domain is 1 km long, divided into 400 nodal blocks

  4. Set various mass transport properties on the Medium pane.

  5. File → Open → Sorbing Surfaces… Surface complexation dataset for hydrous ferric oxide. Mobility defaults to 0, indicating HFO is not transported. You can add any number of sorbing surfaces.

  6. Surface complexationretards Pb++transport relative to nonreactive tracer Br−.

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