Reactive transport modelling

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

Started by ericluz

Request for Advice on Optimizing PHREEQC_RM Runtime for 2D RTM

Started by sharmilan

碳同位素分馏

Started by Mr.white

"Repeated restart of integration."

Started by Hosseif

'UseSolutionDensityVolume' for compressible flows

Started by SaiP

1-D flow modeling: changing your column diameter

Started by Continuum

1-D heat transport in two different matrix

Started by Jeonghwan Hwang

3D modeling via PHT3D

Started by zsszabo86

A "mixrun" problem

Started by Hara_Kyp

About the OS of Phreeqc when kinetic reactions take place

Started by Pak

About the representative volume RV in PhreeqcRM

Started by cyprien

About the sequence of calculations in Phreeqc for a RT

Started by Pak

Adding nex exchange speciese during transport simulation

Started by FlouretAlex

Adjusting the Activity of water

Started by sharmilan

ADVECTION combine with KINETIC

Started by tongg

ADVECTION only RT model with varying inflow solution compositions

Started by brathi

Advection simulation in IPhreeqc+C language

Started by Yushan GU

advection_c.c error linking to nxyz value

Started by Yongqiang

Advective Transport using ADVECTION Keyword

Started by ricoenrico

Am transport in groundwater

Started by Sen

amount of CO2 injected

Started by nurlan

Amount of CO2, water mass issues and reactive transport parameters

Started by nurlan

Amount of Exchange sites in the porous media?

Started by JW

An abnormal peak concentration in Transport

Started by Yongqiang

Anamolous concentration with TRANSPORT in cell with flux boundary condition

Started by florisWQ

Anion exclusion in TRANSPORT calculations

Started by liamabrahamsen

Attempting Two Column Separate Transfers with additional compexity

Started by laurafie

Bacterial Sulphate Reduction and Methanogenesis

Started by avadhoot

Balancing problem during transport

Started by Yongqiang

Basalt reaction under CO2 exposure

Started by Hanif_Santyabudhi_Sutiyos

Beginner to diffusion fractionation modelling

Started by AWI

Boundary conditions in transport simulation

Started by maxim.yutkin

Calcite precipitation simulation

Started by Charlie

Calcite Precipittaion Based on Diffusion Process

Started by Kei

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

Started by Mohamadreza

Calling PhreeqcRM shared library (.so) from Python

Started by moein

Can anyone help me check the code of my simulation process,plz!

Started by Xavier.Qiu

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

Started by Pak

Cation Exchange

Started by avadhoot

cell shift

Started by zsszabo86

Cell_No error of Selected_Output results for Transport

Started by Jeonghwan Hwang

chemical transport

Started by Georgy

Clarification on SA/V parameter in Kinetics

Started by rfembilejr

CO2 Capture by Steel Slag Heap

Started by Erdinc

Co2-acid-rock interactions

Started by Victor

CO2-brine-rock interaction

Started by sophiekristin

Colloid transport

Started by Sen

Column Exp. & Reactive Transport Modelling

Started by eng.youzerseef

Compiling error with PHREEQCRM-3.7.3

Started by Yongqiang

Component H2O in phreeqcRM

Started by Wonwoo Yoon

Computation time for advection with kinetics

Started by Flopi

COMSOL/IPhreeqc Reactive Transport Modeling - PHREEQC Example 11 Exchange

Started by inhee

Concentration of water (H2O) when using PHREEQCRM.

Started by Ivan K.

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

Started by peterwadeuk

Confusion with TRANSPORT commands

Started by OLIVIA_RH

Consistency of ion output and ion exchange in transport models

Started by jinping

controlling the verbosity of RunCells function in PhreeqcRM

Started by hjung

Convergence error

Started by sharmilan

Convergence Error in Transport Problem

Started by banjo

Convergence Problem

Started by Rozeran

Convergence problem: Diffusion and Oxidation

Started by md.muniruzzaman

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

Started by johan_s12345

Correct timestep for RUN_CELLS in reactive-Transport Modelling

Started by Hosseif

Corresponding relation between RM_GetSpeciesName and RM_GetSpeciesConcentrations

Started by Yongqiang

Coupling between PhreeQC and Matlab

Started by tneron

Coupling IPHREEQC/PHREEQCRM with a multi-phase flow solver

Started by ahmadreza_shojaee

Coupling MRST with PHREEQC in Matlab??Tight Coupling

Started by CalvinScott

Database of phreeqc in Phreeqc and PhreeqcRM (version 3.7.3)

Started by Mohamadreza

Define mobile and immobile porosity in stagnant transport

Started by docla

Defining SURFACES and EQUILIBRIUM_PHASES in TRANSPORT with a stagnant zone

Started by dvlassopoulos

Derive amount of mineral generation from 1D reactive kinetic transport modelling

Started by Yongqiang

Detailed Approach on Coupling IPhreeqc with Two Transport Simulators

Started by kazeminia

Determining the viscosity of ionic solution

Started by sharmilan

Difference between - SetTimeStep in PhreeqcRM, time in KINETIC RATE

Started by SaiP

Difference between assigned and calculated Mass of water in PhreeqcRM

Started by sharmilan

Difference between RM_GetSpeciesConcentrations and RM_GetConcentrations

Started by Yongqiang

Different lengths for cells ?

Started by Nicolas Jacquemet

Diffusion coefficient correction for temperature and viscosity

Started by ahockin

Diffusion mixture factor first cell

Started by Pak

Diffusive transport (no flow) with BC in PHAST

Started by SlippinJimmy

Disabling warnings in PHREEQCRM.

Started by Ivan K.

dissolution precipitation kinetics and advection

Started by ktkim1019

Does anyone still use PHT3D?

Started by rconway91

Does phreeqc account for density-driven convection?

Started by maxim.yutkin

Downward movement of pollution

Started by Max1

Dual Domain Transport of U and Cl

Started by davidblevy

Dual porosity within a column filled with sandstone particle

Started by Caroline

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

Effects of temperature on fractionation of carbon isotopes during precipitation

Started by RPM

Effluent cell

Started by Continuum

equilibrium phase (surface) transport

Started by yoichi

Error in using SURFACE_MODIFY

Started by JW

Error when running reactive transport modelling with PHREEQCRM

Started by Yongqiang

Error: NULL pointer returned from malloc or realloc

Started by phuongthanh.hd.1993

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

Started by MichaelZ20

Example of using EQUILIBRIUM_PHASES_MODIFY in gas solubility problem

Started by Christinali91

Exchange capcity from meq/kg to moles

Started by Ionexchanger

EXCHANGE_MODIFY in COMSOL-PHREEQC coupling

Started by Jeonghwan Hwang

Exporting Equilibrium Phases moles in Reactive Transport with PhreeqcRM

Started by Sara Tabrizi

Finite difference transport model

Started by Petrusvspreng

First-order Batch reaction

Started by pietromazzon

Fix pH during transport

Started by llanduyt

Fixing solution in PHAST

Started by 18771047611@163.com

fluid velocity and time step

Started by Flopi

Fluidized bed Ion exchange

Started by lpidoux

Flux boundary conditon

Started by Pak

Gas handling in reactive transport calculations with PHREEQC

Started by mpek

Gas Transport

Started by nickvz

Gas transport in the surface layer of a water pond

Started by Alberto_S

Getting the total moles of solid phase in finite difference cell

Started by Leo

Graphs in transport problems

Started by ravid

Graphs in Transport Problems (Zero Concentration)

Started by olivertheseira

Grid Size

Started by Rozeran

Guidance on Setting Selected Species Concentrations in PHREEQC_RM

Started by sharmilan

Hint about discrepancies between iPhreeqc and COMSOL/iPhreeqc discrepancies?

Started by Pak

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

Started by Sidol

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

Started by Jeonghwan Hwang

How does PHAST handle pe?

Started by Leo

How does the mineral precipitation considered during transport?

Started by Yongqiang

How is the solution volume calculated in phreeqc?

Started by Wonwoo Yoon

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

Started by Angie

How to assign the cells during reactive transport

Started by Yongqiang

How to compute the diffusion of Oxygen (and HCN) in a soil-like material

Started by Alberto

How to determine number of cells

Started by Yongqiang

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

Started by Yongqiang

How to determine the direction of transport

Started by Yongqiang

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

Started by guobingbing212

How to get -totals for SOLUTION_MODIFY?

Started by dlee05291

How to Improve PhreeqcRM Runtime in Reactive Transport Simulations?

Started by ZYWTDaEO6

how to keep CO2 from evolving in a column model

Started by Mark Himenz

How to model explicit time and distance

Started by bessie000

How to use Mix in reactive transport modelling?

Started by Yongqiang

How to use the Phreeqc for partially saturated reactive transport?

Started by Pak

How to utilize the different exchange capacity in one model?

Started by Jeonghwan Hwang

Hydrogen-Brine-Calcite Reaction

Started by Zitong

Implement Sorption with defined percentage

Started by anneimig

Implementation of Sequential iterative approach (SIA) using IPHREEQC.

Started by Ivan K.

Impurity of CO2 is not affecting final result

Started by nurlan

Increasing time step for a reactive transport solver

Started by SaiP

Influence of inflow's water mass in Reactive transport

Started by Haohan

Initial condition in PhreeqcRM

Started by eeftekhari

Initial Mols in RM

Started by bkazamel

Initialization fails using PHREEQCRM with Matlab

Started by Yongqiang

Inject gas at inlet boundary

Started by Yongqiang

Injection of CO2-saturated water through a sandstone core

Started by Hanif_Santyabudhi_Sutiyos

Integration of PhreeqcRM into an Existing Flow and Transport Model in Fortran

Started by adityain2003

Internal running mechanics of PHREEQCRM method RM_SpeciesConcentrations2Module

Started by Yongqiang

Ion exchange only in stagnant zones

Started by maxim.yutkin

Ion Exchange using Rothmund-Kornfeld convention

Started by mwleeds

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

Started by Jeonghwan Hwang

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

Started by MichaelZ20

Is it possible to use PhreeqcRM transport capabilities?

Started by omarchaabi

Is VS2DRTI already released?

Started by Pak

Isotopes in reaction-transport

Started by GeeqC

Isotopes output in PhreeqcRM

Started by GeeqC

Issue during initializing component concentrations.

Started by SaiP

Issue with Saturation field update (using PhreeqcRM).

Started by SaiP

Issue with setting Saturation during runtime in PhreeqcRM (as RM_SetSaturation)

Started by RayTherminator

Issue with the computation of solution volume.

Started by SaiP

IX Column modelling - trying not to reach equlibrium

Started by paznativ

Kinetic Dissolution after Initial Equilibrium in Reactive Transport

Started by Daehyun

Kinetic Reactions Rate EQUATIONS

Started by kennedyantwi1

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

Started by Andrew Hoch

Limestone column

Started by Ismail Mercimek

Loop to repeat transport steps to alternate the injection of two solutions

Started by maria15143

Mass accounting in PHAST

Started by peterwadeuk

Mass balance and dual porosity

Started by Caroline

Mass balance issue while considering GAS_PHASE

Started by SaiP

Mass balance over TRANSPORT column, 1st-order Dual Porosity

Started by Petrusvspreng

Mass of Water for Reactive Transport Model

Started by mcossio23

Method to get the concentration or species in Iphreeqc

Started by Yongqiang

Mine tailings under saturated/reducing conditions

Started by woodS

Mo Transport With Powellite Precipitation

Started by davidblevy

modeling transport at nanometric scale?

Started by mapi

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

Started by DM

Monod-type kinetics implementation

Started by pietromazzon

Multicomponent Diffusion and Porosity in Diffusive Reactive Transport

Started by Baborluc

Multicomponent diffusion and porosity update (solution volume)

Started by ahockin

Multiple transport simulations

Started by phuongthanh.hd.1993

NAMED_EXPRESSIONS use with PHASES

Started by MichaelZ20

Need Help with PHREEQC Coupling in FEFLOW

Started by yuechao

Negative concentration during Dual Domain simulation

Started by freiburgermsu

Neutralixzation of soils by gas purging

Started by dnsiitb

Obtaining concentrations after transport step

Started by ECoene

One-dimensional reactive solute transport in high fluoride groundwater

Started by chaoyu

openMP

Started by LCarniato

outlet conditions used as inlet boundary conditions

Started by Eppner

Oxidation and downward leaching in soils

Started by Tom

PCE degradation and transport

Started by phuongthanh.hd.1993

pH and pe changing in constant boundary solution

Started by Daehyun

PHAST Array allocation error

Started by Olasz Tamas

PHAST Error 57 Well diameter too big

Started by mwleeds

PHAST for multi layer aquifer system

Started by rapheul

PHAST using MPICH2 for parallel processing - tips

Started by Rasmus

PHAST validation examples

Started by maxim.yutkin

PHAST: Dissolved oxygen at an observation well

Started by Yonas

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

Started by Leo

PHAST: Transient boundary conditions during steady-state simulations

Started by Leo