PHREEQC Users | Resource for geochemists

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Subject / Started by	Replies / Views	Last post
Simultaneous dissolution of mineral and CO2 Started by Pakan	5 Replies 1889 Views	22/12/23 21:26 by Pakan
what is the difference between FeCO3, Siderite(d), Siderite in phreeqc database? Started by Penny	1 Replies 2603 Views	31/03/18 16:17 by dlparkhurst
Sludge CO2 stripping and calcite precipitation Started by Peppermint	3 Replies 2277 Views	10/05/20 14:30 by dlparkhurst
Minerals supersaturated after defining as equilibrium Started by peterwadeuk	2 Replies 2758 Views	27/02/17 16:04 by peterwadeuk
Sequential kinetic reactions Started by peterwadeuk	1 Replies 2388 Views	04/04/17 03:48 by dlparkhurst
How much FeCl2 can be dissolved in solution before Fe-minerals are precipitated. Started by Phreak	1 Replies 2553 Views	22/05/18 03:57 by dlparkhurst
Fe(OH)3(a) or Goethite Started by pia said	0 Replies 2002 Views	04/12/19 18:06 by pia said
Arsenic co-precipitation Started by pia said	7 Replies 2861 Views	19/11/19 17:06 by pia said
pH curve in calcite dissolution and Fe precipitation Started by pia said	2 Replies 2203 Views	12/08/19 22:05 by pia said
Simulating calcite precipitation driven by silicate weathering Started by poong9	2 Replies 2187 Views	13/04/21 02:37 by poong9
Finding a point of phase diagram with defined concentrations of some components Started by PrestoConFuoco	11 Replies 4562 Views	06/07/18 15:22 by dlparkhurst
All phases of the database in the simulation. Started by PrestoConFuoco	2 Replies 2645 Views	07/01/19 18:24 by John Mahoney
complex problem Started by PrestoConFuoco	5 Replies 2899 Views	28/02/19 01:16 by PrestoConFuoco
fake-phases Started by PrestoConFuoco	1 Replies 2115 Views	03/12/18 20:04 by dlparkhurst
How to calcuate simple saturation indices Started by Rachael	1 Replies 1575 Views	17/07/22 14:12 by dlparkhurst
Dissolution of phosphates in a granite Started by RadiantRocks23	2 Replies 1218 Views	23/05/24 11:27 by RadiantRocks23
Mineral amount Started by rapheul	3 Replies 2963 Views	21/07/16 18:24 by dlparkhurst
Dissolution of Montmorillonite, only occuring 1 cell at a time Started by ravreeland	1 Replies 2513 Views	23/01/18 17:59 by dlparkhurst
Modification of Pitzer Ion interaction Parameters Started by RenAmb	1 Replies 390 Views	14/01/25 19:33 by dlparkhurst
Precipitation of Symplesite Fe3(AsO4)2:8H2O and Mimetite Pb5(AsO4)3Cl Started by RFragoso	4 Replies 4917 Views	01/12/16 01:26 by RFragoso
Could not reduce equation to secondary master species, Y+3. Started by rkramamoorthy	7 Replies 1135 Views	02/12/24 17:34 by dlparkhurst
Stable phases were obtained even with 0 ppm of ions concentration Started by rkramamoorthy	3 Replies 715 Views	08/12/24 05:22 by dlparkhurst
EQUILIBRIUM_PHASES understand Started by robertaasa	3 Replies 654 Views	27/02/25 17:00 by dlparkhurst
Forcing all supersaturated minerals to precipitate Started by rockman	2 Replies 2649 Views	13/12/16 22:44 by rockman
Cement Hydration Started by rockson.aluah@und.edu	9 Replies 907 Views	16/01/25 17:42 by dlparkhurst
Heating water in concrete lined borehole - geochemical changes Started by ross	1 Replies 829 Views	14/06/24 15:36 by dlparkhurst
Electrical conductivity drops in the brine Started by rudolff16	2 Replies 1977 Views	25/08/20 19:12 by dlparkhurst
Water-Clay Interaction Started by rudolff16	1 Replies 1939 Views	07/04/20 15:27 by dlparkhurst
Possible to add a legend to define time periods on porosity-distance plots? Started by rworden	2 Replies 897 Views	14/12/24 08:38 by rworden
dissolution of carnallite in water Started by sadegh66	2 Replies 3152 Views	15/12/15 09:29 by sadegh66
fractional crystallization Started by sadegh66	3 Replies 2817 Views	29/09/15 17:08 by dlparkhurst
Determination of precipitation amount Started by sadegh66	9 Replies 4643 Views	04/01/16 18:01 by sadegh66
The contradiction between dissolution degree and the amount of solute Started by sama.k	1 Replies 1826 Views	11/05/20 18:41 by dlparkhurst
Evaporation Started by samia22	1 Replies 1399 Views	14/11/22 19:13 by dlparkhurst
monomethyl et dimethyl Started by Scarlet	0 Replies 2144 Views	08/05/18 11:53 by Scarlet
high concentration of salinity and phreeqc Started by Scarlet	1 Replies 1849 Views	18/06/20 22:12 by dlparkhurst
Precipitation of Li2CO3 at different temperatures Started by seanshi40@gmail.com	4 Replies 1626 Views	09/08/23 16:25 by seanshi40@gmail.com
kinetic rate unit measurement Started by Selene Eliana Patani	2 Replies 2524 Views	10/01/18 08:54 by Selene Eliana Patani
two kinetics for mineral dissolution Started by Selene Eliana Patani	2 Replies 2648 Views	20/12/17 17:18 by Selene Eliana Patani
Problem with dissolution Started by Sergio913	2 Replies 1906 Views	03/07/20 16:20 by John Mahoney
Mineral Precipitation Started by serhatttt	2 Replies 1659 Views	06/11/22 10:41 by serhatttt
Partial Pressure of CO2 with respect to pressure Started by serhatttt	1 Replies 707 Views	15/11/24 14:48 by dlparkhurst
Hydrogen Storage in Sandstone reservoir Started by Seymensch	2 Replies 736 Views	11/10/24 23:06 by Seymensch
Hydrogen solubility Started by Seymensch	1 Replies 750 Views	07/11/24 16:36 by dlparkhurst
Enthalpy of Mackinawite precipitaion Started by Sifat Azad Papry	1 Replies 1189 Views	18/10/23 00:09 by dlparkhurst
Mackinawite precipitation as a function of pH Started by Sifat Azad Papry	6 Replies 1686 Views	19/09/23 20:33 by dlparkhurst
Reaction of Iron with bisulfide Started by Sifat Azad Papry	1 Replies 1123 Views	02/11/23 16:55 by dlparkhurst
Burkeite Scale Started by Sinaatalebi	1 Replies 1819 Views	28/11/21 22:22 by dlparkhurst
Sodium Oxalate solubility Started by Sinaatalebi	5 Replies 1794 Views	30/03/23 04:58 by dlparkhurst
Calculate amount of dissolved Pb in equilibrium with Hydrocerussite Started by singh118	3 Replies 4892 Views	10/04/14 13:03 by Charlie
Basic Geochemistry Doubt Started by snjaykdubey	3 Replies 3411 Views	16/06/15 14:15 by dlparkhurst
Mineral Equilibrium calculation with various composition Started by Sol-Chan Han	9 Replies 2976 Views	19/08/19 03:43 by John Mahoney
Way to define dissolved oxygen. Started by Sol-Chan Han	8 Replies 4424 Views	16/09/20 18:06 by Sol-Chan Han
Mass Conservation Problem Started by Sol-Chan Han	5 Replies 2431 Views	28/08/19 19:41 by dlparkhurst
Calcite dissolution/precipitation in seawater-freshwater mixing Started by SPC2014	1 Replies 3638 Views	05/11/14 15:35 by dlparkhurst
Help with Kinetic reactions Started by spence	7 Replies 4078 Views	01/09/21 19:08 by dlparkhurst
Solid solutions in non equilibrium conditions Started by srohmen	3 Replies 2924 Views	04/04/17 23:15 by dlparkhurst
Precipitated mineral volume Started by srohmen	5 Replies 4518 Views	13/06/16 15:37 by dlparkhurst
Equilibrium_Phases and pH Started by steven	1 Replies 3112 Views	20/06/15 00:20 by dlparkhurst
Where does the O2 come from? Started by steven	2 Replies 2711 Views	04/06/15 00:53 by steven
Understanding Beaker Reaction Results Started by swhit	3 Replies 2142 Views	19/07/19 10:19 by dlparkhurst
Losing CO3 in Titration Started by swhit	4 Replies 2271 Views	30/07/19 01:40 by dlparkhurst
Crude Oil as equilibrium phase Started by swilke	6 Replies 3265 Views	15/07/18 19:35 by dlparkhurst
Calculate solubility vs. temperatures for new designed phases or solid solutions Started by sydxajie	1 Replies 2137 Views	06/05/20 02:51 by dlparkhurst
PHREEQC unable to predict the precipitation of NaCl Started by Tameka D	2 Replies 2762 Views	24/04/18 16:02 by Tameka D
Error: Expected saturation index Started by Tameka D	3 Replies 3193 Views	08/06/18 01:42 by Tameka D
Precipitation of calcite and calcium hydroxide with ammonia Started by tatsu	2 Replies 4086 Views	15/06/15 08:29 by tatsu
How to use the saved aqueous solution+solids i the subsequent simulation? Started by Titanium	1 Replies 1940 Views	08/12/21 15:31 by dlparkhurst
How to model an incremental serie of batch Started by tneron	1 Replies 1666 Views	29/10/21 16:14 by dlparkhurst
Negative temperature dependency of solubility of Nahcolite , pitzer.dat ? Started by TobiasHogen	2 Replies 875 Views	22/05/24 15:58 by TobiasHogen
Dissolution of high solubility sulfates Started by Tom	2 Replies 3232 Views	04/05/14 20:00 by Tom
Add lithium dissociating and hydrolyzing species to code Started by Topskeer	1 Replies 542 Views	28/01/25 15:58 by dlparkhurst
Is it possible to calculate SI of a mineral without having an element analyzed? Started by toupis12	1 Replies 1533 Views	31/05/22 15:54 by dlparkhurst
Dolomitization in PHREEQC Started by trungka	1 Replies 2184 Views	30/05/19 16:21 by dlparkhurst
Precipitation Started by tsnmaster	0 Replies 2584 Views	24/11/15 14:04 by tsnmaster
Solubility curve of tenorite Started by tyler_n	2 Replies 2474 Views	09/11/17 21:29 by tyler_n
Maximum iterations exceeded Started by weiwei han	8 Replies 2680 Views	09/09/21 09:57 by dlparkhurst
Diagram plot Started by yahya2021	2 Replies 1816 Views	29/03/21 16:17 by dlparkhurst
HELP! How to write PhreeqC input for calcite dissolution Started by yijing84	3 Replies 3962 Views	01/03/21 18:08 by AnnaJulIQ
Gas phase weathering Started by ylg	5 Replies 2946 Views	27/08/20 15:16 by dlparkhurst
Hydrogen dissolution in brine Started by ylg	4 Replies 2479 Views	07/12/22 14:17 by dlparkhurst
water dissolve in CO2 gas Started by Yongqiang	3 Replies 2248 Views	23/08/19 02:51 by dlparkhurst
CO2 temperatur and pressure effects Started by yuku	1 Replies 1788 Views	15/10/21 00:41 by dlparkhurst
HOW transfer H2SiO3 to SiO2? Started by yyyphreeqc	3 Replies 1749 Views	12/02/23 19:38 by dlparkhurst
Water Rock reaction with Supercritical CO2 Started by zscowcrofst	8 Replies 808 Views	19/02/25 23:07 by zscowcrofst
Cement scCO2 interaction Started by zscowcrofst	4 Replies 1523 Views	17/04/24 02:52 by zscowcrofst
Setting Solution Volume for Dissolution/Precipitation Reactions Started by ZYWTDaEO6	1 Replies 696 Views	09/11/24 18:01 by dlparkhurst

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