PHREEQC Users | Resource for geochemists

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Subject / Started by	Replies / Views	Last post
Unit conventions for KINETICS and RATES parameters Started by Tom	2 Replies 2803 Views	July 21, 2020, 09:34:21 PM by dlparkhurst
Useful resource for rate parameters Started by Tom	2 Replies 2265 Views	July 09, 2020, 03:17:50 PM by Charlie
changing moles of a reactant Started by Cristina Domenech	2 Replies 48 Views	February 01, 2021, 05:59:03 PM by Cristina Domenech
Kinetic reaction in function of time Started by FlouretAlex	1 Replies 153 Views	December 03, 2020, 11:31:27 PM by dlparkhurst
Integration Time needed to complete KINETICS coupled to TRANSPORT Started by Ucef	1 Replies 127 Views	November 04, 2020, 09:53:27 PM by dlparkhurst
Rate law with "Elapsed time" as a variable Started by Ucef	2 Replies 104 Views	October 26, 2020, 08:23:46 PM by Ucef
Multiple kinetics simulation Started by davide	2 Replies 166 Views	October 22, 2020, 03:48:24 PM by davide
The initial mole value of the precipitating substance Started by sama.k	9 Replies 294 Views	August 28, 2020, 04:49:27 PM by dlparkhurst
Conditional in RATES Started by javiera.aedo	4 Replies 177 Views	August 27, 2020, 07:00:23 PM by javiera.aedo
How to add a new solution to equilibrate during a kinetic process Started by sama.k	5 Replies 239 Views	August 03, 2020, 01:18:26 AM by dlparkhurst
Output the current amount of reactants during kinetic reactions Started by Yongqiang	2 Replies 229 Views	June 17, 2020, 02:27:25 PM by Yongqiang
Kinetics and solid solution Started by Flopi	3 Replies 312 Views	June 05, 2020, 03:47:57 PM by dlparkhurst
Need kinetic data for scheelite(CaWO4) and ferberite (FeWO4) dissolution Started by Sidol	0 Replies 214 Views	June 02, 2020, 09:49:58 AM by Sidol
stoichiometric coefficient of the KINETICS data block Started by sama.k	3 Replies 356 Views	May 11, 2020, 02:17:14 PM by dlparkhurst
calcite dissolution in a pipe Started by davide	12 Replies 525 Views	April 26, 2020, 02:30:53 PM by davide
How to determine kinetic time step Started by Sidol	1 Replies 337 Views	April 14, 2020, 05:15:04 PM by dlparkhurst
Cement Hydration Kinetics Started by sama.k	5 Replies 501 Views	April 04, 2020, 11:09:57 PM by dlparkhurst
Evaporation steps linked to time Started by Charlie	7 Replies 433 Views	April 01, 2020, 03:31:40 PM by dlparkhurst
Question about dissolution kinetics Started by Sidol	1 Replies 356 Views	March 20, 2020, 06:34:23 PM by dlparkhurst
Need help in modeling of corrosion of carbon steel bar in concrete by PHREEQC Started by Sidol	5 Replies 461 Views	March 11, 2020, 09:09:24 AM by Sidol
Calcite Dissolution Kinetics in PHREEQC Manual Started by bschroth	24 Replies 2966 Views	March 09, 2020, 02:12:25 PM by dlparkhurst
A concentration jump at the beginning of transport with kinetic dissolution Started by MichaelZ20	2 Replies 358 Views	February 21, 2020, 02:25:20 PM by MichaelZ20
Kinetics of Fe(2) oxidation and Fe(3) precipitation Started by Benkaito	6 Replies 414 Views	December 03, 2019, 09:23:02 PM by Benkaito
Kinetics for ferrihydrite Fe(OH)3(a) in mining canal Started by M.Gundlach	13 Replies 675 Views	November 28, 2019, 04:28:37 PM by pia said
Calcite Disolution in open and close system Started by pia said	2 Replies 405 Views	September 25, 2019, 06:39:47 PM by pia said
Goethite - Precipitation Rates Started by lourdsa	5 Replies 701 Views	September 10, 2019, 06:10:04 PM by dlparkhurst
dissolution with solution agitation Started by Cauchy	7 Replies 463 Views	August 13, 2019, 05:19:56 PM by dlparkhurst
brucite dissolution/precipitation kinetics Started by Cauchy	4 Replies 436 Views	July 25, 2019, 02:03:03 PM by Cauchy
modeling the corrosion of steel Started by pslomski	1 Replies 629 Views	February 21, 2019, 08:08:40 PM by dlparkhurst
Kinetic modeling of water-CO2-rock at 300 C and 222.67 atm Started by gagasutomo	5 Replies 850 Views	January 16, 2019, 10:24:04 PM by dlparkhurst
reaction rate as function of pH Started by Hydroman	4 Replies 678 Views	January 07, 2019, 08:29:16 PM by Hydroman
coefficients of anorthite and illite Started by Hydroman	2 Replies 536 Views	December 20, 2018, 07:34:48 AM by Hydroman
Transformation from Static Leaching to Dynamic Leaching Via Kinetic Flow Term Started by jLi200H	2 Replies 571 Views	December 12, 2018, 08:53:37 AM by jLi200H
Rate expression for pyrite oxidation Started by ACSchubert	2 Replies 650 Views	November 19, 2018, 08:12:41 PM by ACSchubert
Problems defining the parameters for kinetic calcite dissolution Started by ACSchubert	4 Replies 683 Views	November 01, 2018, 11:30:00 PM by dlparkhurst
Reaction stoichiometry for oxidation of Nta (Example 15) Started by MichaelZ20	2 Replies 674 Views	October 15, 2018, 05:47:01 PM by MichaelZ20
Kinetic Dissolution of Calcite Started by Renmori	5 Replies 1006 Views	September 27, 2018, 03:40:46 PM by dlparkhurst
Need help with kinetic transport Started by mdangelm	3 Replies 907 Views	September 11, 2018, 11:22:58 PM by dlparkhurst
Dividing a column into more cells preserving kinetic behaviour - A0/V Started by peterwadeuk	1 Replies 732 Views	July 27, 2018, 04:00:27 PM by dlparkhurst
Peaks in the breakthrough curve with transport and kinetics Started by GautierLaurent	6 Replies 1168 Views	May 24, 2018, 10:14:56 AM by GautierLaurent
Phreeqc seems to halve first kinetic step Started by peterwadeuk	2 Replies 829 Views	April 20, 2018, 06:15:44 PM by peterwadeuk
Kinetic of Fe(OH)3(a) precipitation and Kinetic of ferrous iron oxidation Started by woonghee89	2 Replies 1040 Views	March 26, 2018, 01:54:07 AM by woonghee89
kinetic rate Started by Selene Eliana Patani	2 Replies 895 Views	March 20, 2018, 09:28:02 AM by Selene Eliana Patani
Kinetic Reaction for species Started by hamiderfani	1 Replies 841 Views	January 03, 2018, 06:41:20 PM by dlparkhurst
Dissolution and precipitation of minerals Started by hmal	6 Replies 1470 Views	December 25, 2017, 10:36:39 PM by hmal
kinetic exchange Started by zsszabo86	1 Replies 865 Views	December 01, 2017, 03:59:25 PM by dlparkhurst
kinectic of galena and cerussite in acid ph Started by Scarlet	2 Replies 758 Views	October 24, 2017, 06:55:35 PM by Scarlet
Simple Electrolysis - Kinetics ? Started by Merlin66	12 Replies 1835 Views	October 14, 2017, 10:58:52 PM by dlparkhurst
Galena Kinetics Started by Scarlet	28 Replies 2757 Views	October 11, 2017, 11:56:50 PM by Scarlet
help writing a simple reaction model for transport Started by Mark Himenz	1 Replies 1027 Views	September 29, 2017, 09:56:00 PM by dlparkhurst
Ureolysis and Calcite kinetics Started by rizon007	0 Replies 679 Views	September 16, 2017, 06:56:05 PM by rizon007
Calcite Dissolution Kinetic Help Started by mems	1 Replies 1039 Views	August 01, 2017, 07:35:01 PM by dlparkhurst
About kinetics on aqueous components Started by Pak	3 Replies 1798 Views	July 11, 2017, 06:24:00 PM by Pak
Rate Expressions Started by rfembilejr	2 Replies 914 Views	July 11, 2017, 03:04:00 PM by rfembilejr
Checking exchanger reactions Started by peterwadeuk	2 Replies 797 Views	July 03, 2017, 11:01:03 AM by peterwadeuk
Mackinawite reactive dissolution kinetics Started by peterwadeuk	0 Replies 711 Views	July 02, 2017, 11:02:10 AM by peterwadeuk
Kinetics and Rates with Transport Modelling of Tailings columns Started by rfembilejr	7 Replies 2935 Views	May 11, 2017, 04:46:42 PM by rfembilejr
COPY and USE KINETICS? Started by zsszabo86	3 Replies 922 Views	April 07, 2017, 06:11:24 PM by dlparkhurst
ADVECTION with KINETICS Started by Laknesh	2 Replies 934 Views	March 17, 2017, 02:31:08 AM by Laknesh
C isotopes with transport using rates Started by Pete_Scott	0 Replies 738 Views	March 16, 2017, 05:18:53 PM by Pete_Scott
Calcite Dissolution Reaction Output Started by priyaiitr	3 Replies 1280 Views	October 05, 2016, 07:50:05 PM by dlparkhurst
Reaction rate as output for different time steps Started by priyaiitr	3 Replies 952 Views	September 12, 2016, 05:13:37 PM by dlparkhurst
calculation of k_qu Started by Hydroman	2 Replies 1220 Views	September 01, 2016, 08:33:47 AM by Hydroman
equilibrium or kinetics Started by bessie000	9 Replies 5314 Views	March 18, 2016, 12:56:19 PM by Martin K
Kinetic redox reactions Started by NKampman	1 Replies 2355 Views	November 04, 2015, 02:52:49 AM by dlparkhurst
Multiple rate blocks conflicting Started by DHodkin	2 Replies 1774 Views	October 27, 2015, 07:50:56 AM by DHodkin
Kinetic reaction of CH2O Started by Max1	7 Replies 2054 Views	September 30, 2015, 05:08:44 PM by dlparkhurst
Halite/Gypsum Precipitation Started by sttr6	1 Replies 1275 Views	September 25, 2015, 04:27:39 PM by dlparkhurst
Oxidation rate of manganese by KMnO4 Started by Nick	4 Replies 2814 Views	September 25, 2015, 12:29:19 AM by Nick
Initial concentrations as input to RATES Started by Alberto	1 Replies 1383 Views	July 22, 2015, 02:02:57 PM by dlparkhurst
Error Reproducing "Fractionation of Carbon during Precipitation" Started by GuyC	1 Replies 1328 Views	July 09, 2015, 12:36:28 AM by dlparkhurst
Kinetics-Calculate m0 Started by Pia-Caroline	1 Replies 1229 Views	June 24, 2015, 01:51:54 PM by dlparkhurst
Calcite kinetics Started by Ismail Mercimek	1 Replies 1310 Views	June 17, 2015, 02:00:18 PM by dlparkhurst
KC Started by snjaykdubey	3 Replies 1446 Views	May 04, 2015, 02:56:46 PM by dlparkhurst
Kinetic for Corrosion Started by snjaykdubey	1 Replies 1605 Views	May 02, 2015, 11:47:17 PM by dlparkhurst
RATES output unit: mol/kgw? Started by asainz	2 Replies 2054 Views	March 23, 2015, 01:46:50 PM by asainz
Sulfate solution + H2S reaction Started by Alberto	7 Replies 3690 Views	March 17, 2015, 03:53:34 PM by dlparkhurst
sequence of reaction Started by tanbbc	0 Replies 1454 Views	February 01, 2015, 08:05:03 AM by tanbbc
Input to RATES block Started by nickvz	2 Replies 1889 Views	October 09, 2014, 08:33:43 PM by nickvz
SO2 Kinetics problem Started by justinninja1	0 Replies 1560 Views	October 09, 2014, 01:09:46 PM by justinninja1
Precipitation before kinetics Started by luicho	4 Replies 2406 Views	August 13, 2014, 07:43:56 PM by luicho
Previous step values Started by Laknesh	2 Replies 1512 Views	June 24, 2014, 09:22:23 AM by Laknesh
exponent for the term (A/V) in the reaction kinetics Started by Tom	2 Replies 2449 Views	April 24, 2014, 07:14:48 AM by nickvz

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