Geoscience Reference
In-Depth Information
Table 2.1.
Continued.
Code
Website
Summary
reactions, aqueous complexation, gas partitioning between
phases, oxidation-reduction, ion exchange, and surface
complexation.
PFLOTRAN
http://www.pflotran.
org/
PFLOTRAN is an open source subsurface flow and
reactive transport code. PFLOTRAN is used to describe
multiphase, multicomponent and multiscale reactive
flow and transport in porous materials. The code is
specifically designed to run on massive parallel
computing architectures and includes adaptive mesh
refinement.
PHAST
http://wwwbrr.cr.usgs.
gov/projects/GWC_
coupled/phast/
PHAST is a 3-dimensional, reactive-transport simulator
that is available for Windows and Linux. PHAST simulates
constant-density saturated flow, multicomponent transport,
and a wide range of equilibrium and kinetic chemical
reactions.
PHT3D
http://www.pht3d.org
PHT3D is a three-dimensional reactive multicomponent
transport code for saturated porous media. PHT3D couples
the transport simulator MT3DMS and the geochemical
model PHREEQC-2. It handles a wide range of mixed
equilibrium/kinetic geochemical reactions.
STOMP
http://www.stomp.
pnl.gov
Developed at the Pacific Northwest National Laboratory
(PNNL) as a suit of numerical simulators for multifluid
subsurface flow and transport processes. It includes the
module ECKEChem, which is the reactive transport
package for the STOMP simulator and an algorithm for
equilibrium, conservation, and kinetic equation chemistry.
The principal application objective for the ECKEChem
capabilities is the scalable simulation of the geochemical
reactions associated with injection CO 2 into geologic
reservoirs.
TOUGH
REACT
http://esd.lbl.gov/
research/projects/tough/
TOUGH REACT is a numerical simulation program for
chemically reactive non-isothermal flows of multiphase
fluids in porous and fractured media, developed by
introducing reactive chemistry into the multiphase flow
code TOUGH2. Interactions between mineral assemblages
and fluids can occur under local equilibrium or kinetic
rates. The gas phase can be chemically active. Precipitation
and dissolution reactions can change formation porosity
and permeability, and can also modify the unsaturated flow
properties of the rock.
2.3
THE SIMULATION OF PROCESSES AFFECTING AS TRANSPORT BEHAVIOR
2.3.1 Modeling groundwater flow and solute transport
The successful application of reactive transport models to simulate the fate of arsenic in aquifers
relies strongly on the accurate representation of the underlying groundwater flow characteristics
 
 
 
 
 
 
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