GMS:Chemical Reaction Package: Difference between revisions
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The ''Chemical Reaction Package'' dialog is used to solve the concentration change due to chemical reactions. The chemical reactions include linear or nonlinear sorption isotherms and first-order irreversible rate reactions (radioactive decay or biodegradation). | The ''Chemical Reaction Package'' dialog is used to solve the concentration change due to chemical reactions. Chemical reactions can be defined for the MT3DMS, MT3D-USGS, PHT3D, and SEAM3D models. The dialog is reached through the model menu using the [[GMS:MT3DMS Commands|'''Chemical Reaction Package''']] command which is only available once the package has been activated in the [[GMS:Basic_Transport_Package_Dialog#Packages|''Packages'']] dialog and species have been defined. The chemical reactions include linear or nonlinear sorption isotherms and first-order irreversible rate reactions (radioactive decay or biodegradation). | ||
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The dialog has the following options: | |- | ||
*''Sorption'' – | |[[File:MT3D-ChemicalReaction.png|thumb|left|350 px|The ''Chemical Reaction Package'' dialog]] | ||
|The dialog has the following options: | |||
*''Sorption'' – Select one of the following methods: | |||
**"(none)" | **"(none)" | ||
**"Linear | **"Linear isotherm" | ||
**"Freundich | **"Freundich isotherm" | ||
**"Langmuir | **"Langmuir isotherm" | ||
**"First-order kinetic sorption (non-equilibrium)" | **"First-order kinetic sorption (non-equilibrium)" | ||
**"Dual-domain mass transfer (without sorption) | **"Dual-domain mass transfer (without sorption) | ||
| Line 15: | Line 17: | ||
**"First-order irreversible kinetic reaction" | **"First-order irreversible kinetic reaction" | ||
**"Zero-order reaction (decay or production)" | **"Zero-order reaction (decay or production)" | ||
*Variable input | *''Variable input'' | ||
**Layer by layer | **''Layer by layer'' | ||
**Cell by cell | **''Cell by cell'' | ||
*Specify IC of sorbed phase | *''Specify IC of sorbed phase'' | ||
*Layer | *''Layer'' – Specifies layer to apply chemical reaction. | ||
*Bulk density | *''Bulk density'' | ||
*Immobile porosity | *''Immobile porosity'' | ||
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[[Category:MT3DMS]] | |||
[[Category:PHT3D]] | |||
[[Category:MT3DMS Dialogs]] | |||
[[Category:PHT3D Dialogs]] | |||
[[Category:SEAM3D]] | |||
[[Category:SEAM3D Dialogs]] | |||
