PHREEQC Users | Resource for geochemists

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Subject / Started by	Replies / Views	Last post
Porosity change in reactive transport Started by Hamed	6 Replies 5259 Views	09/02/24 17:41 by dlparkhurst
Porosity Changes With Mineral Dissolution/Precipitation Started by davidblevy	5 Replies 4127 Views	20/02/25 18:26 by davidblevy
Porosity, water mass and saturation when coupling with PhreeqcRM Started by Haohan	1 Replies 3434 Views	02/06/25 22:37 by dlparkhurst
Postprocessing PHAST output - ParaView? Started by Leo	4 Replies 4852 Views	18/08/21 18:19 by dlparkhurst
PQI script for a specific chemical system Started by Sara Tabrizi	16 Replies 8803 Views	13/09/23 12:59 by Sara Tabrizi
Prescribing initial moles for a 1D transport model Started by Erik G	3 Replies 3752 Views	27/08/24 21:21 by dlparkhurst
Problem in creating two reaction modules at the same time Started by sharmilan	1 Replies 3052 Views	24/09/24 20:24 by dlparkhurst
Problem with PHAST 3.7: well output Started by Leo	5 Replies 5030 Views	17/05/21 14:51 by Leo
Problems of Kinectics of calcite dissolution during reactive transport modelling Started by Yongqiang	2 Replies 4358 Views	05/09/19 06:03 by Yongqiang
Problems with defining surface complexation reaction in reactive transport model Started by Yongqiang	8 Replies 6322 Views	02/06/20 00:29 by dlparkhurst
Quartz dissolution and flow rate Started by Shan	4 Replies 5176 Views	10/01/18 16:27 by dlparkhurst
Question about Phreeqc as global implicit tool Started by Pak	1 Replies 4020 Views	01/02/16 21:58 by dlparkhurst
Question about PhreeqcRM Python examples (AdvectBMI_py.py / SimpleAdvect.py) Started by ZYWTDaEO6	6 Replies 5236 Views	21/04/25 17:19 by ZYWTDaEO6
Question about time unit handling in PHREEQCRM kINETICS / RATES Started by ZYWTDaEO6	1 Replies 3075 Views	22/04/25 15:09 by dlparkhurst
Question about units when coupling PhreeqcRM Started by ZYWTDaEO6	3 Replies 488 Views	07/11/25 16:09 by dlparkhurst
Questions about KINETICS in PHREEQCRM with MODFLOW coupling Started by ZYWTDaEO6	1 Replies 3736 Views	16/08/25 15:01 by dlparkhurst
RATE expression: inlet end cells concentrations during TRANSPORT with KINETICS Started by Soren Jessen	2 Replies 5237 Views	19/06/15 12:52 by Soren Jessen
Re-use of each transport step result Started by Pierre	3 Replies 4901 Views	25/11/16 15:29 by dlparkhurst
Reaction Model for Anoxic Columns Started by mcossio23	1 Replies 3976 Views	28/01/21 22:35 by dlparkhurst
Reactive Transport and Diffusion Started by dat	7 Replies 6033 Views	11/04/23 13:39 by dlparkhurst
Reactive transport in tailings Started by rfembilejr	0 Replies 4075 Views	05/07/17 22:09 by rfembilejr
Reactive Transport Modeling of minerals Started by chrisnguen38	10 Replies 7694 Views	11/09/19 15:44 by sanem
Reactive Transport Modelling Started by gayathri	3 Replies 7389 Views	12/06/14 19:36 by dlparkhurst
Reactive Transport Modelling - Saturation Indices Started by AntonioG	4 Replies 4514 Views	16/04/24 09:54 by AntonioG_v2
Reactive transport modelling in PHAST. Started by García-Gil	4 Replies 5213 Views	29/01/16 17:39 by García-Gil
Reactive Transport Modelling involving Kinetic oxidation Started by gayathri	2 Replies 9397 Views	12/06/14 10:14 by gayathri
Reactive Transport modelling of CO2 with mining waste to form carbonate rocks Started by evansmanu	5 Replies 5057 Views	19/01/24 04:48 by dlparkhurst
Reactive transport modelling: convergence problem Started by sharmilan	3 Replies 4647 Views	21/10/20 01:26 by dlparkhurst
Reactive transport short courses/training in Europe? Started by Sfr	0 Replies 3419 Views	12/07/16 10:54 by Sfr
Reactive transport with sorption: convergence problem Started by llanduyt	5 Replies 6577 Views	20/04/16 16:37 by dlparkhurst
Readring DumpString in PhreeqcRM Started by bsh14	1 Replies 3750 Views	17/08/19 03:26 by dlparkhurst
Redox response of trace metals in seawater Started by shiba7	1 Replies 3887 Views	12/09/16 17:12 by dlparkhurst
Redox sensitive element transport Started by shiba7	3 Replies 4253 Views	21/03/17 17:48 by dlparkhurst
Regarding NAPL dissolution kinetics from PHT3D Example 10 Started by ZYWTDaEO6	6 Replies 4722 Views	09/05/25 02:37 by dlparkhurst
Regarding the effect of RM_SetUnitsKinetics Started by adityain2003	4 Replies 5493 Views	06/10/25 17:28 by adityain2003
Relation of mobile cells and stagnant cells Started by Sidol	1 Replies 3783 Views	13/03/20 15:56 by dlparkhurst
Release RAM after simulation Started by Yongqiang	7 Replies 5928 Views	03/07/25 04:47 by dlparkhurst
Retain a certain percentage of CH and C-S-H as stable phases Started by sharmilan	2 Replies 3700 Views	03/10/24 20:18 by dlparkhurst
RM_FindComponents and RM_GetComponent Started by Yongqiang	11 Replies 6964 Views	17/03/25 23:52 by Yongqiang
running suddenly stopped Started by nurlan	5 Replies 4871 Views	01/06/21 22:44 by nurlan
Saturation issue in boundary cell when only 1 phase shall exist. Started by SaiP	1 Replies 3690 Views	03/08/21 19:49 by dlparkhurst
Seeking Examples and Guidance for Using BMIPhreeqcRM Started by ZYWTDaEO6	2 Replies 4381 Views	27/10/24 17:05 by ZYWTDaEO6
Sequential Iterative approach using Phreeqc Started by Pak	4 Replies 6020 Views	14/01/16 08:29 by Pak
Serpentinization Reaction at High pH Started by alieslami	5 Replies 4964 Views	11/03/25 05:35 by dlparkhurst
Set different reactions in different zones Started by Yongqiang	0 Replies 3405 Views	16/01/20 21:05 by Yongqiang
Setting boundary conditions using PHREEQCRM Started by Ivan K.	3 Replies 4439 Views	26/04/21 15:33 by dlparkhurst
Shall we try to keep the representative volume close to 1 in PHREEQRM? Started by Ivan K.	1 Replies 3518 Views	11/06/21 17:32 by dlparkhurst
Significant figures for Iphreeqc Started by dlee05291	2 Replies 5717 Views	20/08/14 21:30 by dlee05291
Simple 1-D flow modeling - volume of Solution 0 Started by Continuum	3 Replies 4095 Views	20/06/19 23:54 by dlparkhurst
Simple 1D RTM needed for calcite dissolution Started by MJF	15 Replies 8326 Views	27/02/25 17:36 by dlparkhurst
Simple cation exchange model for example Started by Jeonghwan Hwang	1 Replies 3881 Views	10/07/20 18:01 by dlparkhurst
Simulating groundwater level? Started by Tom	2 Replies 7686 Views	15/04/14 07:36 by Tom
Simulating groundwater physicochemical with lithological data at different temp. Started by mukherjeeindrani09	3 Replies 3431 Views	06/11/23 00:44 by dlparkhurst
simulation is slow Started by nurlan	1 Replies 3707 Views	29/08/21 02:11 by dlparkhurst
Simulation of serial column experiments Started by Stephan	1 Replies 5275 Views	04/03/15 23:50 by dlparkhurst
Simulation stalls (hangs) with repeated Negative moles warnings when coupling Ph Started by ZYWTDaEO6	4 Replies 366 Views	15/11/25 02:34 by ZYWTDaEO6
Solubility of methane in borehole groundwater Started by mukherjeeindrani09	3 Replies 3775 Views	01/11/23 03:36 by dlparkhurst
Solution Modify implementation Started by Pak	3 Replies 5986 Views	13/05/15 15:08 by dlparkhurst
Some Questions about Transport Modelling Started by Penny	8 Replies 9694 Views	11/05/18 07:01 by Penny
specific surface area and minerals volume fraction with PhreeqcRT? Started by cyprien	3 Replies 5256 Views	27/11/17 17:58 by dlparkhurst
Specifying Thermodynamic database PHAST4Windows Started by bbardet	2 Replies 3670 Views	09/03/23 16:22 by bbardet
Strange visualization of River nodes Started by Leo	6 Replies 5312 Views	24/08/21 07:27 by Leo
Surface area reduction due to passivation by precipitation of minerals Started by mmhassan	2 Replies 3439 Views	16/05/25 09:53 by mmhassan
Surface Complexation Started by sharmilan	1 Replies 3487 Views	06/08/21 17:53 by dlparkhurst
surface complexation model Started by sharmilan	6 Replies 6326 Views	20/02/23 16:56 by pawanagra0@gmail.com
SURFACE_MODIFY in PhreeqcRM Started by eeftekhari	9 Replies 7724 Views	15/02/17 22:52 by eeftekhari
Synthetic mineral dissolution Started by Hosseif	3 Replies 4336 Views	14/11/17 23:19 by dlparkhurst
Terminate IPhreeqc.dll from matlab during 1D transport Started by Mouadh	4 Replies 5487 Views	27/04/20 19:07 by Mouadh
The 2nd parameter of -shifts and Mixing factors calculation Started by Xiaodong	4 Replies 4389 Views	24/02/25 10:25 by Xiaodong
The Crashing in Matlab programming Started by sharmilan	11 Replies 7309 Views	14/02/21 16:23 by dlparkhurst
The factor influencing pe in PhreeqcRM Started by inhee	7 Replies 5139 Views	04/09/24 14:38 by dlparkhurst
The flux through the Donnan space Started by sharmilan	9 Replies 6713 Views	19/04/21 00:55 by dlparkhurst
The fugacity of H2O in aqueous phase Started by Christinali91	1 Replies 3265 Views	04/06/21 22:06 by dlparkhurst
Thermodynamic reaction data for Fe(II) and Fe(III) components Started by sharmilan	7 Replies 5995 Views	11/12/23 03:02 by dlparkhurst
Tracertest with uranine Started by Hydroman	4 Replies 4945 Views	07/11/18 19:45 by Hydroman
tracking 13C fractionation in a marl lake Started by grundl	1 Replies 4040 Views	27/05/20 15:36 by dlparkhurst
Transport "Charge" component in phreeqcrm Started by Haohan	1 Replies 2810 Views	14/09/25 13:28 by dlparkhurst
Transport - decaying concentration in infilling solution Started by AntonioG	4 Replies 4597 Views	19/06/23 15:11 by dlparkhurst
transport - mixture 1 Started by zsszabo86	2 Replies 3788 Views	15/05/19 21:34 by zsszabo86
TRANSPORT About hydrological fluctuations Started by sll	2 Replies 3627 Views	13/05/24 02:34 by sll
Transport and solution volume Started by Flopi	1 Replies 3880 Views	10/06/20 17:31 by dlparkhurst
Transport in columns with no initial solution Started by rfembilejr	21 Replies 12533 Views	15/01/17 03:14 by rfembilejr
Transport in Dual Porosity Media Started by yhdong	2 Replies 5773 Views	19/11/14 00:39 by yhdong
transport modeling Started by elham	7 Replies 7888 Views	02/06/16 16:28 by dlparkhurst
transport modeling laboratory column Started by jennymue	4 Replies 5572 Views	21/10/16 18:18 by jennymue
Transport Modelling Started by RAD	2 Replies 6029 Views	19/09/14 02:03 by RAD
Transport of H+ Started by mmasi	3 Replies 6168 Views	03/02/15 15:54 by dlparkhurst
Transport output file Started by priyaiitr	3 Replies 4942 Views	02/09/16 14:06 by dlparkhurst
Transport water flow Started by Nata	1 Replies 3230 Views	10/02/25 17:03 by dlparkhurst
Transport with and without kintics for U leaching Started by narendrasingh	4 Replies 5401 Views	21/10/17 06:28 by narendrasingh
Transport with ion-exchange Started by maxim.yutkin	0 Replies 3635 Views	03/06/18 20:12 by maxim.yutkin
Transport with ion-exchange adsorption Started by maxim.yutkin	3 Replies 5640 Views	04/06/18 19:34 by dlparkhurst
Transport with kinetic of calcite precipitation Started by WJJ	3 Replies 4056 Views	11/11/24 17:34 by dlparkhurst
Transport working on PHREEQC for window but not working on the NOTEPAD++ version Started by FlouretAlex	6 Replies 6184 Views	03/09/20 10:31 by FlouretAlex
TRANSPORT: How to make graphs presenting the transport in different cells? Started by llanduyt	13 Replies 11062 Views	06/04/18 06:41 by Shakthi
Trying to integrate incongruent dissolution into a reactive transport simulation Started by wpowell9	14 Replies 8837 Views	28/08/20 22:32 by wpowell9
Two SURFACE in PHREEQCRM problem Started by dksliusiyan	2 Replies 4208 Views	23/11/20 01:00 by dksliusiyan
Understanding the Differences Between SNIA, Strang Splitting, and SIA Started by ZYWTDaEO6	1 Replies 3071 Views	03/11/24 14:33 by dlparkhurst
Unusual peaks in transport plots Started by rfembilejr	6 Replies 5370 Views	29/08/17 08:50 by rfembilejr
Use MPI function of PHREEQCRM Started by Yongqiang	5 Replies 4674 Views	11/07/24 05:01 by dlparkhurst
User Graph DIST Started by Charlie	5 Replies 5713 Views	21/07/20 10:56 by Charlie
User_Graph for TRANSPORT-boundary Started by Felix	4 Replies 5146 Views	21/02/24 14:27 by dlparkhurst
Using DUMP, _RAW & _MODIFY in coupled reactive transport Started by johan_s12345	2 Replies 4423 Views	16/08/19 07:34 by johan_s12345
Using GetConcentrations() for redox reaction case Started by SaiP	4 Replies 8896 Views	22/05/25 15:56 by adityain2003
Using Parallel Computation with PhreeqcRM Started by SaiP	3 Replies 4961 Views	25/03/20 14:36 by dlparkhurst
Using selected output in phreeqcRM Started by Wonwoo Yoon	10 Replies 7387 Views	16/12/23 05:38 by dlparkhurst
Using SOLUTION_MODIFY in a coupled reactive transport Started by omarchaabi	2 Replies 4330 Views	03/06/20 17:42 by dlparkhurst
Variable composition boundary for advective transport in PHREEQC Started by mp	2 Replies 4263 Views	06/04/16 15:17 by mp
Varying residence time in reactive transport modelling Started by GautierLaurent	4 Replies 4809 Views	07/07/17 20:59 by dlparkhurst
Varying residence time using mix adn reactive transport modelling Started by FlouretAlex	4 Replies 4935 Views	20/01/21 12:53 by FlouretAlex
Visualisation of 3D simulations of plumes in aquifers Started by peterwadeuk	3 Replies 5025 Views	27/03/20 20:54 by dlparkhurst
Warm starting / Using previous states as initial guess Started by klk	1 Replies 3689 Views	10/10/25 04:04 by dlparkhurst
Water cleaning by air stripping Started by MichaelZ20	13 Replies 7428 Views	10/11/25 11:59 by MichaelZ20
What are the legal conditions for usage of iPhreeqc in third-party codes? Started by Ivan K.	1 Replies 4335 Views	06/02/18 17:41 by dlparkhurst
What is the correct unit of sorbents in 1d model? Started by Jeonghwan Hwang	1 Replies 3434 Views	17/08/20 14:47 by dlparkhurst
What is transported during TRANSPORT Started by Tom	10 Replies 10875 Views	08/09/14 16:55 by dlparkhurst
When coupling iPhreeqc Started by Pak	1 Replies 4476 Views	04/06/15 13:18 by dlparkhurst
Where is the phosphate coming from? Started by peterwadeuk	2 Replies 3836 Views	26/06/19 20:47 by dlparkhurst
Why Nickel is dissolving quite fast Started by rfembilejr	9 Replies 6564 Views	10/07/17 14:35 by rfembilejr
YAML compilation error Started by Yongqiang	6 Replies 6397 Views	21/07/25 13:54 by Yongqiang
zero gas phase in reaction-transport model Started by GeeqC	2 Replies 5230 Views	22/07/25 21:48 by GeeqC

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