PHREEQC Users | Resource for geochemists

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Subject / Started by	Replies / Views	Last post
Bacterial Sulphate Reduction Started by avadhoot	0 Replies 12229 Views	28/11/25 19:22 by avadhoot
Anaerobic Oxidation of Pyrite Started by avadhoot	1 Replies 6635 Views	28/11/25 19:05 by dlparkhurst
Pyrite Oxidation Started by avadhoot	2 Replies 6326 Views	26/11/25 01:32 by avadhoot
Switching off Redox Started by GeeqC	4 Replies 27227 Views	09/07/25 17:08 by GeeqC
Expression of simplified organic degradation reaction in PHREEQC Started by Daehyun	7 Replies 15539 Views	15/06/25 22:35 by dlparkhurst
Mn(II)-Ligand oxidation (pH/O2 impact) as a kinetic model Started by mymyhihj	2 Replies 13309 Views	27/10/24 13:32 by mymyhihj
TCE degradation via ZVI Started by mmhassan	1 Replies 12941 Views	09/09/24 15:30 by dlparkhurst
sulfur dioxide reactions Started by Hamed	5 Replies 15069 Views	03/08/24 14:50 by dlparkhurst
pe sensitivity to calcite equilibrium Started by davidsegura	9 Replies 17331 Views	13/06/24 07:31 by MichaelZ20
Simulation of Incubations Started by grijalva	2 Replies 15615 Views	19/01/24 00:24 by grijalva
KINETICS with ZVI and Cr(6) Started by Rozeran	4 Replies 13594 Views	04/01/24 20:46 by Rozeran
decoupling water redox reactions? Started by dvlassopoulos	2 Replies 14484 Views	20/10/23 17:10 by dvlassopoulos
Oxidative conditions Started by Annr	4 Replies 12194 Views	27/08/23 20:06 by Annr
Kinetic Oxidation of Cr (VI) to Cr(III) by Fe0 Started by Rozeran	4 Replies 12114 Views	11/07/23 20:21 by Rozeran
Fix_e- coupled with Calcite in equilibrium phases Started by paznativ	2 Replies 11168 Views	19/05/23 18:57 by paznativ
Basic question for pyrite reaction Started by Jeonghwan Hwang	9 Replies 17214 Views	24/08/22 15:01 by dlparkhurst
Coupling organic C degradation and redox processes in transport simulation Started by Lukem	4 Replies 13377 Views	25/04/22 21:29 by Lukem
Nitrification/Denitrification redox Started by Drew_2006	3 Replies 22578 Views	06/12/21 03:43 by dlparkhurst
Freundlich isotherm Started by isaoxer	5 Replies 13146 Views	07/07/21 14:57 by dlparkhurst
H2S solubility Started by ehsan	14 Replies 18919 Views	21/06/21 19:32 by ehsan
Manganese sorption Started by yasmina	1 Replies 9880 Views	05/05/21 22:51 by dlparkhurst
Temperature dependent speciation calculation problem Started by Leo	3 Replies 11710 Views	05/05/21 00:37 by dlparkhurst
Important Q and A about fixing redox potential Started by Charlie	5 Replies 22569 Views	22/03/21 11:28 by kishu5694
Estimate Pe/Redox Potential from O2 Started by kishu5694	0 Replies 10899 Views	17/03/21 12:28 by kishu5694
Concentration of electron and Fe(3+) ion Started by kishu5694	4 Replies 12254 Views	17/03/21 10:10 by kishu5694
Hydrolisis of lactose Started by SofiaHerrera	3 Replies 11147 Views	14/03/21 08:17 by MichaelZ20
Why Re is different? Started by Zhaoyang	3 Replies 11484 Views	06/10/20 16:43 by dlparkhurst
Degradation of TCE via ZVI Started by brflickinger	15 Replies 20153 Views	04/06/20 14:57 by dlparkhurst
NO2- redox Started by Nicole5734	3 Replies 12190 Views	29/05/20 00:40 by dlparkhurst
Decoupling carbonic, ammonia and sulfate redox Started by paznativ	2 Replies 13110 Views	25/05/20 06:31 by paznativ
Electrical balance and charge balance Started by Yongqiang	3 Replies 15694 Views	18/11/19 19:27 by davidblevy
sulfate reduction Started by pia said	3 Replies 12885 Views	19/08/19 21:33 by John Mahoney
Log_k of O2 formation from water Started by paznativ	3 Replies 12153 Views	31/10/18 17:44 by John Mahoney
1D nitrification and denitrification Started by Seven	1 Replies 11488 Views	28/09/18 21:10 by dlparkhurst
automated redox adjustment (Ferrihydrite) Started by Felix	0 Replies 10372 Views	28/09/18 14:12 by Felix
Calculation of the Eh value and the pH using the redox couple FeII/FeIII Started by BrunoA	3 Replies 13885 Views	09/08/18 15:48 by dlparkhurst
adding acetate as an electron donor Started by grundl	1 Replies 12566 Views	06/05/18 21:46 by dlparkhurst
Calculation of ionic activity coefficient in molten salt Started by xi007	1 Replies 11076 Views	30/01/18 15:24 by dlparkhurst
Dithionite redox reaction with Fe(III) minerals Started by ktelfeya	3 Replies 13214 Views	28/11/17 01:34 by dlparkhurst
Decoupling As(III) & As(V) Redox States For Surface Complexation Started by awillou4	2 Replies 11612 Views	12/08/17 15:24 by awillou4
Denitrification with isotopes Started by Seven	1 Replies 15520 Views	27/07/17 17:47 by dlparkhurst
Laboratory vs PHREEQC Redox States Started by awillou4	1 Replies 11411 Views	25/06/17 00:59 by dlparkhurst
Fe(III) and redox calculation under siderite + fixed p(CO2) equilibrium Started by mp	4 Replies 13922 Views	17/03/17 09:22 by mp
Suppress redox during with REACTION Started by Flopi	2 Replies 13472 Views	07/12/16 22:49 by Flopi
Turn Off Redox? Started by JD	2 Replies 13903 Views	04/05/16 08:46 by MichaelZ20
why are the element is not balance before and after the reaction? Started by xbk	2 Replies 12448 Views	19/04/16 21:44 by xbk
S0 oxidation and calcite dissolution Started by Gaulty	3 Replies 13136 Views	04/03/16 20:50 by dlparkhurst
pe and O2 equilibration Started by Gaulty	5 Replies 15637 Views	04/03/16 13:28 by Gaulty
Redox couple calculation Started by IanB	1 Replies 16909 Views	11/01/16 22:24 by dlparkhurst
Equilibrium phases Started by tsnmaster	3 Replies 15142 Views	24/11/15 14:50 by dlparkhurst
algorithm for pe calculation Started by Alexey	2 Replies 16624 Views	26/09/15 22:54 by Alexey
Cyanide redox equilibria Started by Alberto	1 Replies 12935 Views	12/07/15 03:27 by dlparkhurst
Redox calculation example Started by Charlie	3 Replies 24388 Views	03/07/15 14:20 by Charlie
pe and Eh reporting Started by Steve	2 Replies 17026 Views	11/04/15 03:52 by Steve
blocking redox reactions for initial system? Started by pandora	1 Replies 17103 Views	22/05/14 19:24 by dlparkhurst
pe in redox-unbuffered solutions Started by dlparkhurst	0 Replies 16578 Views	07/05/14 20:46 by dlparkhurst
How kinetics works Started by luicho	9 Replies 29538 Views	06/05/14 22:01 by dlparkhurst

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