Reactive transport modelling

Adjusting the Activity of water

Started by sharmilan

Using selected output in phreeqcRM

Started by Wonwoo Yoon

COMSOL/IPhreeqc Reactive Transport Modeling - PHREEQC Example 11 Exchange

Started by inhee

How is the solution volume calculated in phreeqc?

Started by Wonwoo Yoon

Simulating groundwater physicochemical with lithological data at different temp.

Started by mukherjeeindrani09

Solubility of methane in borehole groundwater

Started by mukherjeeindrani09

Grid Size

Started by Rozeran

Database of phreeqc in Phreeqc and PhreeqcRM (version 3.7.3)

Started by Mohamadreza

Calculation the pH of salt waters (KCl, NaCl, MgCl2, and CaCl2)

Started by Mohamadreza

Corresponding relation between RM_GetSpeciesName and RM_GetSpeciesConcentrations

Started by Yongqiang

Difference between RM_GetSpeciesConcentrations and RM_GetConcentrations

Started by Yongqiang

Advective Transport using ADVECTION Keyword

Started by ricoenrico

PQI script for a specific chemical system

Started by Sara Tabrizi

Effect of groundwater temperature increase on dissolved oxygen availability

Started by bappa.tester@gmail.com

Effect of salinity on dissolution of supercritical CO2 in water (PhreeqcRM)

Started by Mohamadreza

Disabling warnings in PHREEQCRM.

Started by Ivan K.

Concentration of water (H2O) when using PHREEQCRM.

Started by Ivan K.

Exchange capcity from meq/kg to moles

Started by Ionexchanger

Consistency of ion output and ion exchange in transport models

Started by jinping

PhreeqcRM LNK2019 error

Started by ChristopheC

Transport - decaying concentration in infilling solution

Started by AntonioG

Can be the non water H and O related to the pH?

Started by Pak

Exporting Equilibrium Phases moles in Reactive Transport with PhreeqcRM

Started by Sara Tabrizi

Convergence Error in Transport Problem

Started by banjo

advection_c.c error linking to nxyz value

Started by Yongqiang

PHREEQCRM error

Started by Yongqiang

Reactive Transport and Diffusion

Started by dat

Specifying Thermodynamic database PHAST4Windows

Started by bbardet

Colloid transport

Started by Sen

Hydrogen-Brine-Calcite Reaction

Started by Zitong

surface complexation model

Started by sharmilan

Compiling error with PHREEQCRM-3.7.3

Started by Yongqiang

Am transport in groundwater

Started by Sen

Kinetic Reactions Rate EQUATIONS

Started by kennedyantwi1

Computation time for advection with kinetics

Started by Flopi

PHAST Array allocation error

Started by Olasz Tamas

Advection simulation in IPhreeqc+C language

Started by Yushan GU

Convergence error

Started by sharmilan

Issue with the computation of solution volume.

Started by SaiP

Issue during initializing component concentrations.

Started by SaiP

Water cleaning by air stripping

Started by MichaelZ20

Negative concentration during Dual Domain simulation

Started by freiburgermsu

Diffusion coefficient correction for temperature and viscosity

Started by ahockin

Mass of Water for Reactive Transport Model

Started by mcossio23

Initial Mols in RM

Started by bkazamel

'UseSolutionDensityVolume' for compressible flows

Started by SaiP

1-D heat transport in two different matrix

Started by Jeonghwan Hwang

simulation is slow

Started by nurlan

How does PHAST handle pe?

Started by Leo

Strange visualization of River nodes

Started by Leo

Postprocessing PHAST output - ParaView?

Started by Leo

Surface Complexation

Started by sharmilan

Saturation issue in boundary cell when only 1 phase shall exist.

Started by SaiP

Ex.15. Why the inert species (C5H7O2N) is disregarded in -formula

Started by MichaelZ20

Fluidized bed Ion exchange

Started by lpidoux

Coupling between PhreeQC and Matlab

Started by tneron

Determining the viscosity of ionic solution

Started by sharmilan

Implementation of Sequential iterative approach (SIA) using IPHREEQC.

Started by Ivan K.

Shall we try to keep the representative volume close to 1 in PHREEQRM?

Started by Ivan K.

Impurity of CO2 is not affecting final result

Started by nurlan

The fugacity of H2O in aqueous phase

Started by Christinali91

running suddenly stopped

Started by nurlan

PHAST: Transient boundary conditions during steady-state simulations

Started by Leo

amount of CO2 injected

Started by nurlan

Is it possible to put the temperature of 'Solution 0' as a function over time?

Started by Jeonghwan Hwang

Problem with PHAST 3.7: well output

Started by Leo

Amount of CO2, water mass issues and reactive transport parameters

Started by nurlan

Setting boundary conditions using PHREEQCRM

Started by Ivan K.

The flux through the Donnan space

Started by sharmilan

Mass balance issue while considering GAS_PHASE

Started by SaiP

Obtaining concentrations after transport step

Started by ECoene

User_Graph for TRANSPORT-boundary

Started by Felix

Issue with Saturation field update (using PhreeqcRM).

Started by SaiP

The Crashing in Matlab programming

Started by sharmilan

Adding nex exchange speciese during transport simulation

Started by FlouretAlex

Reaction Model for Anoxic Columns

Started by mcossio23

Varying residence time using mix adn reactive transport modelling

Started by FlouretAlex

Difference between assigned and calculated Mass of water in PhreeqcRM

Started by sharmilan

Cell_No error of Selected_Output results for Transport

Started by Jeonghwan Hwang

How scale/interpret results from PHREEQC to experimental data and vice-versa

Started by Angie

Multicomponent diffusion and porosity update (solution volume)

Started by ahockin

Two SURFACE in PHREEQCRM problem

Started by dksliusiyan

Reactive transport modelling: convergence problem

Started by sharmilan

Example of using EQUILIBRIUM_PHASES_MODIFY in gas solubility problem

Started by Christinali91

Calcite precipitation simulation

Started by Charlie

Transport working on PHREEQC for window but not working on the NOTEPAD++ version

Started by FlouretAlex

Trying to integrate incongruent dissolution into a reactive transport simulation

Started by wpowell9

An abnormal peak concentration in Transport

Started by Yongqiang

What is the correct unit of sorbents in 1d model?

Started by Jeonghwan Hwang

fluid velocity and time step

Started by Flopi

User Graph DIST

Started by Charlie

Simple cation exchange model for example

Started by Jeonghwan Hwang

Balancing problem during transport

Started by Yongqiang

How can I plot the site contribution of cation exchange model for 1D model

Started by Jeonghwan Hwang

Inject gas at inlet boundary

Started by Yongqiang

Transport and solution volume

Started by Flopi

Mine tailings under saturated/reducing conditions

Started by woodS

Using SOLUTION_MODIFY in a coupled reactive transport

Started by omarchaabi

Problems with defining surface complexation reaction in reactive transport model

Started by Yongqiang

Error in using SURFACE_MODIFY

Started by JW

tracking 13C fractionation in a marl lake

Started by grundl

PhreeqcRM initializaion

Started by Yongqiang

Terminate IPhreeqc.dll from matlab during 1D transport

Started by Mouadh

Is it possible to set concentration in cell 0 to be changing linearly?

Started by MichaelZ20

Visualisation of 3D simulations of plumes in aquifers

Started by peterwadeuk

Using Parallel Computation with PhreeqcRM

Started by SaiP

PhreeqcRM SetConcentrations

Started by strofp

Relation of mobile cells and stagnant cells

Started by Sidol

How can I implement transport through layers with different comp. and porosity?

Started by Sidol

Using GetConcentrations() for redox reaction case

Started by SaiP

Column Exp. & Reactive Transport Modelling

Started by eng.youzerseef

Difference between - SetTimeStep in PhreeqcRM, time in KINETIC RATE

Started by SaiP

Neutralixzation of soils by gas purging

Started by dnsiitb

Amount of Exchange sites in the porous media?

Started by JW

Increasing time step for a reactive transport solver

Started by SaiP

Effluent cell

Started by Continuum

Set different reactions in different zones

Started by Yongqiang

modeling transport at nanometric scale?

Started by mapi

Dual Domain Transport of U and Cl

Started by davidblevy

How to utilize the different exchange capacity in one model?

Started by Jeonghwan Hwang

Error: NULL pointer returned from malloc or realloc

Started by phuongthanh.hd.1993

Monod-type kinetics implementation

Started by pietromazzon

Reactive Transport Modeling of minerals

Started by chrisnguen38

Problems of Kinectics of calcite dissolution during reactive transport modelling

Started by Yongqiang

How to use Mix in reactive transport modelling?

Started by Yongqiang

Readring DumpString in PhreeqcRM

Started by bsh14

Using DUMP, _RAW & _MODIFY in coupled reactive transport

Started by johan_s12345

1-D flow modeling: changing your column diameter

Started by Continuum

Does phreeqc account for density-driven convection?

Started by maxim.yutkin

How to determine the direction of transport

Started by Yongqiang

Is it possible to use PhreeqcRM transport capabilities?

Started by omarchaabi

How to determine the corresponding relation between phreeqc cells and mesh nodes

Started by Yongqiang

First-order Batch reaction

Started by pietromazzon

Where is the phosphate coming from?

Started by peterwadeuk

How to determine number of cells

Started by Yongqiang

Simple 1-D flow modeling - volume of Solution 0

Started by Continuum

Oxidation and downward leaching in soils

Started by Tom

Defining SURFACES and EQUILIBRIUM_PHASES in TRANSPORT with a stagnant zone

Started by dvlassopoulos

Multiple transport simulations

Started by phuongthanh.hd.1993

How to assign the cells during reactive transport

Started by Yongqiang

transport - mixture 1

Started by zsszabo86

Diffusive transport (no flow) with BC in PHAST

Started by SlippinJimmy

Calling PhreeqcRM shared library (.so) from Python

Started by moein

Lack of hydrogen balance when using PhreeqcRM together with Pitzer equations?

Started by Andrew Hoch

Phreeqc COM coupling with a transport model (PHRRQC/MATLAB/VBA)

Started by ericluz

PHREEQC simulation for the upflow percolatoin by column test

Started by Khyeam EANG

Effects of temperature on fractionation of carbon isotopes during precipitation

Started by RPM

Convergence problems in coupled reactive transport using user-defined species.

Started by johan_s12345

Tracertest with uranine

Started by Hydroman

Boundary conditions in transport simulation

Started by maxim.yutkin

Does anyone still use PHT3D?

Started by rconway91

ADVECTION only RT model with varying inflow solution compositions

Started by brathi

Ion Exchange using Rothmund-Kornfeld convention

Started by mwleeds

Concentrations of solids and exchangers when changing number of cells in column

Started by peterwadeuk

PHAST validation examples

Started by maxim.yutkin

About the representative volume RV in PhreeqcRM

Started by cyprien

Modelling Reactive transport of As(5) Zn Cd Ni Cu with surface complexation

Started by DM

PhreeqcRM coupling with a transport model

Started by hamiderfani

PCE degradation and transport

Started by phuongthanh.hd.1993

Transport with ion-exchange adsorption

Started by maxim.yutkin

Transport with ion-exchange

Started by maxim.yutkin

Beginner to diffusion fractionation modelling

Started by AWI

PHAST Error 57 Well diameter too big

Started by mwleeds

Is VS2DRTI already released?

Started by Pak

Some Questions about Transport Modelling

Started by Penny

TRANSPORT: How to make graphs presenting the transport in different cells?

Started by llanduyt

controlling the verbosity of RunCells function in PhreeqcRM

Started by hjung

What are the legal conditions for usage of iPhreeqc in third-party codes?

Started by Ivan K.

IX Column modelling - trying not to reach equlibrium

Started by paznativ

Quartz dissolution and flow rate

Started by Shan

specific surface area and minerals volume fraction with PhreeqcRT?

Started by cyprien

"Repeated restart of integration."

Started by Hosseif

Synthetic mineral dissolution

Started by Hosseif

Correct timestep for RUN_CELLS in reactive-Transport Modelling

Started by Hosseif

Transport with and without kintics for U leaching

Started by narendrasingh

Unusual peaks in transport plots

Started by rfembilejr

Mass accounting in PHAST

Started by peterwadeuk

Clarification on SA/V parameter in Kinetics

Started by rfembilejr

Multicomponent Diffusion and Porosity in Diffusive Reactive Transport

Started by Baborluc

Why Nickel is dissolving quite fast

Started by rfembilejr

Varying residence time in reactive transport modelling

Started by GautierLaurent

Reactive transport in tailings

Started by rfembilejr

PHAST: output of concentrations in WELL doesn't seem to be correct

Started by Leo

how to keep CO2 from evolving in a column model

Started by Mark Himenz

Getting the total moles of solid phase in finite difference cell

Started by Leo

How to determine the number of solution when "-stagnant" is used

Started by guobingbing212

Redox sensitive element transport

Started by shiba7

SURFACE_MODIFY in PhreeqcRM

Started by eeftekhari

About the OS of Phreeqc when kinetic reactions take place

Started by Pak

Dual porosity within a column filled with sandstone particle

Started by Caroline

Transport in columns with no initial solution

Started by rfembilejr

Mass balance and dual porosity

Started by Caroline

Re-use of each transport step result

Started by Pierre

About the sequence of calculations in Phreeqc for a RT

Started by Pak

Convergence problem: Diffusion and Oxidation

Started by md.muniruzzaman

transport modeling laboratory column

Started by jennymue

cell shift

Started by zsszabo86

Initial condition in PhreeqcRM

Started by eeftekhari

Redox response of trace metals in seawater

Started by shiba7