Reactive transport modelling

PHREEQCRM: set time and delta time, how to manage time unit and conversion

Started by Yongqiang

Questions about KINETICS in PHREEQCRM with MODFLOW coupling

Started by ZYWTDaEO6

NAMED_EXPRESSIONS use with PHASES

Started by MichaelZ20

Basalt reaction under CO2 exposure

Started by Hanif_Santyabudhi_Sutiyos

Use pulse inject rather than continuous injection during 1D reactive transport

Started by Yongqiang

How to Improve PhreeqcRM Runtime in Reactive Transport Simulations?

Started by ZYWTDaEO6

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

Started by Yongqiang

Simulation stalls (hangs) with repeated Negative moles warnings when coupling Ph

Started by ZYWTDaEO6

Bacterial Sulphate Reduction and Methanogenesis

Started by avadhoot

Water cleaning by air stripping

Started by MichaelZ20

Cation Exchange

Started by avadhoot

Question about units when coupling PhreeqcRM

Started by ZYWTDaEO6

Warm starting / Using previous states as initial guess

Started by klk

Regarding the effect of RM_SetUnitsKinetics

Started by adityain2003

Guidance on Setting Selected Species Concentrations in PHREEQC_RM

Started by sharmilan

Isotopes output in PhreeqcRM

Started by GeeqC

Transport "Charge" component in phreeqcrm

Started by Haohan

How does the mineral precipitation considered during transport?

Started by Yongqiang

About the representative volume RV in PhreeqcRM

Started by cyprien

pH and pe changing in constant boundary solution

Started by Daehyun

Isotopes in reaction-transport

Started by GeeqC

zero gas phase in reaction-transport model

Started by GeeqC

Request for Advice on Optimizing PHREEQC_RM Runtime for 2D RTM

Started by sharmilan

YAML compilation error

Started by Yongqiang

Influence of inflow's water mass in Reactive transport

Started by Haohan

Release RAM after simulation

Started by Yongqiang

Kinetic Dissolution after Initial Equilibrium in Reactive Transport

Started by Daehyun

Porosity, water mass and saturation when coupling with PhreeqcRM

Started by Haohan

Using GetConcentrations() for redox reaction case

Started by SaiP

Coupling IPHREEQC/PHREEQCRM with a multi-phase flow solver

Started by ahmadreza_shojaee

Surface area reduction due to passivation by precipitation of minerals

Started by mmhassan

Need Help with PHREEQC Coupling in FEFLOW

Started by yuechao

Initialization fails using PHREEQCRM with Matlab

Started by Yongqiang

Regarding NAPL dissolution kinetics from PHT3D Example 10

Started by ZYWTDaEO6

EXCHANGE_MODIFY in COMSOL-PHREEQC coupling

Started by Jeonghwan Hwang

Question about time unit handling in PHREEQCRM kINETICS / RATES

Started by ZYWTDaEO6

Question about PhreeqcRM Python examples (AdvectBMI_py.py / SimpleAdvect.py)

Started by ZYWTDaEO6

Coupling MRST with PHREEQC in Matlab??Tight Coupling

Started by CalvinScott

Confusion with TRANSPORT commands

Started by OLIVIA_RH

RM_FindComponents and RM_GetComponent

Started by Yongqiang

Serpentinization Reaction at High pH

Started by alieslami

Simple 1D RTM needed for calcite dissolution

Started by MJF

The 2nd parameter of -shifts and Mixing factors calculation

Started by Xiaodong

Mo Transport With Powellite Precipitation

Started by davidblevy

Porosity Changes With Mineral Dissolution/Precipitation

Started by davidblevy

Transport water flow

Started by Nata

CO2 Capture by Steel Slag Heap

Started by Erdinc

Transport with kinetic of calcite precipitation

Started by WJJ

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

Started by adityain2003

Understanding the Differences Between SNIA, Strang Splitting, and SIA

Started by ZYWTDaEO6

Seeking Examples and Guidance for Using BMIPhreeqcRM

Started by ZYWTDaEO6

How to use Mix in reactive transport modelling?

Started by Yongqiang

Exporting Equilibrium Phases moles in Reactive Transport with PhreeqcRM

Started by Sara Tabrizi

Retain a certain percentage of CH and C-S-H as stable phases

Started by sharmilan

dissolution precipitation kinetics and advection

Started by ktkim1019

Problem in creating two reaction modules at the same time

Started by sharmilan

The factor influencing pe in PhreeqcRM

Started by inhee

Prescribing initial moles for a 1D transport model

Started by Erik G

PhreeqcRM SURFACE equilibrate DO problem

Started by inhee

CO2-brine-rock interaction

Started by sophiekristin

碳同位素分馏

Started by Mr.white

Use MPI function of PHREEQCRM

Started by Yongqiang

Co2-acid-rock interactions

Started by Victor

Anamolous concentration with TRANSPORT in cell with flux boundary condition

Started by florisWQ

TRANSPORT About hydrological fluctuations

Started by sll

ADVECTION combine with KINETIC

Started by tongg

Convergence Problem

Started by Rozeran

Implement Sorption with defined percentage

Started by anneimig

Reactive Transport Modelling - Saturation Indices

Started by AntonioG

User_Graph for TRANSPORT-boundary

Started by Felix

Method to get the concentration or species in Iphreeqc

Started by Yongqiang

Porosity change in reactive transport

Started by Hamed

Component H2O in phreeqcRM

Started by Wonwoo Yoon

Reactive Transport modelling of CO2 with mining waste to form carbonate rocks

Started by evansmanu

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

Started by maria15143

One-dimensional reactive solute transport in high fluoride groundwater

Started by chaoyu

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

Started by RayTherminator

Using selected output in phreeqcRM

Started by Wonwoo Yoon

Internal running mechanics of PHREEQCRM method RM_SpeciesConcentrations2Module

Started by Yongqiang

Error when running reactive transport modelling with PHREEQCRM

Started by Yongqiang

Thermodynamic reaction data for Fe(II) and Fe(III) components

Started by sharmilan

Ion exchange only in stagnant zones

Started by maxim.yutkin

Adjusting the Activity of water

Started by sharmilan

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

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

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

Started by Xavier.Qiu

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

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

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

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