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  • Kinetics and rate controlling factors
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Subject / Started by Replies / Views Last post
Useful resource for rate parameters

Started by Tom

3 Replies
5295 Views
Last post 14/02/23 05:13
by taa18
Unit conventions for KINETICS and RATES parameters

Started by Tom

2 Replies
6190 Views
Last post 21/07/20 21:34
by dlparkhurst
Mineral dissolution in carbonated water reaction not proceeding

Started by ReaganK

8 Replies
406 Views
Last post 11/06/25 16:13
by dlparkhurst
Help Needed: Pyrite Not Dissolving Under Given Conditions in PHREEQC

Started by gmgmgm

2 Replies
120 Views
Last post 09/06/25 09:40
by gmgmgm
kinetic dissolution of multicomponent glass

Started by OLIVIA_RH

1 Replies
234 Views
Last post 19/05/25 14:59
by dlparkhurst
How to add reaction rate, surface area and mass changes to selected_output

Started by OLIVIA_RH

2 Replies
206 Views
Last post 15/05/25 16:08
by OLIVIA_RH
High pCO2 values usage in CO2 capture script

Started by Erdinc

3 Replies
360 Views
Last post 06/05/25 02:54
by dlparkhurst
Infinite iteration and something weird happening with TIME in RATES block

Started by AnotherSLGuy

7 Replies
715 Views
Last post 22/04/25 11:43
by MichaelZ20
Kinetic of methane formation

Started by MMMM

4 Replies
593 Views
Last post 08/04/25 14:48
by dlparkhurst
simple question about equation used in example 9

Started by mvida

1 Replies
413 Views
Last post 01/04/25 21:34
by dlparkhurst
olivine carbonation

Started by mishAL

1 Replies
391 Views
Last post 27/03/25 13:56
by dlparkhurst
Serpentinization modeling

Started by mishAL

3 Replies
544 Views
Last post 23/03/25 13:52
by dlparkhurst
KINETICS quartz units

Started by geo_afonso

1 Replies
422 Views
Last post 21/02/25 18:35
by dlparkhurst
Kinetics of Mineral precipitation combined with Brine water evaporation

Started by Jovel

2 Replies
769 Views
Last post 09/01/25 12:44
by Jovel
Negative Values During the Simulation

Started by gmgmgm

2 Replies
486 Views
Last post 07/01/25 20:10
by dlparkhurst
Simulation not using dissolution rates

Started by leocwang

3 Replies
866 Views
Last post 06/01/25 16:23
by dlparkhurst
Sulfate Reduction Biomass

Started by stfmtu

6 Replies
1194 Views
Last post 18/12/24 01:26
by dlparkhurst
KINETIC MODELING OF ALBITE DISSOLUTION IN DIFFERENT PH

Started by matchmyphreeqc

1 Replies
593 Views
Last post 10/12/24 04:55
by dlparkhurst
Acetogenesis reaction

Started by stfmtu

1 Replies
860 Views
Last post 14/10/24 21:01
by dlparkhurst
Forsterite rates for kinetic modelling

Started by maria

1 Replies
623 Views
Last post 09/10/24 16:11
by dlparkhurst
carbonation olivine

Started by mishAL

1 Replies
712 Views
Last post 08/10/24 14:19
by dlparkhurst
Surface species specific dissolution of goethite_Kinetics

Started by Tao

4 Replies
802 Views
Last post 29/09/24 15:51
by Tao
modeling CO2 simulation for calcite rich seal

Started by Nourah

6 Replies
860 Views
Last post 27/09/24 13:29
by Nourah
Fe_di & Fe_tri -> oxidation and reduction?

Started by florisWQ

3 Replies
716 Views
Last post 17/09/24 00:29
by dlparkhurst
Save function on Kinetics

Started by Erdinc

8 Replies
1175 Views
Last post 11/09/24 01:45
by Erdinc
Doubt regarding value of m, m0 and integration methods

Started by Arindam Basu

2 Replies
728 Views
Last post 06/09/24 05:42
by Arindam Basu
Kinetic Modeling of Methanogenesis as Ex.15

Started by stfmtu

3 Replies
882 Views
Last post 12/08/24 17:36
by dlparkhurst
KINETICS RATE from PALANDRI AND KHARAKA (2004) and others

Started by dkonan01

4 Replies
1302 Views
Last post 07/08/24 10:34
by dkonan01
Cement Hydration Kinetics and Rate

Started by MaryamZamzami

3 Replies
1114 Views
Last post 23/07/24 18:41
by dlparkhurst
Question about Kinetic 1D modeling

Started by Jeonghwan Hwang

1 Replies
949 Views
Last post 27/06/24 15:22
by dlparkhurst
Oxidation of meteor material

Started by mvida

1 Replies
727 Views
Last post 26/06/24 01:08
by dlparkhurst
Conditional reaction product in Kinetics

Started by florisWQ

1 Replies
961 Views
Last post 17/06/24 21:54
by dlparkhurst
CO2-Calcite-Water interaction -CO2 storage in an aquifer

Started by MMMM

1 Replies
927 Views
Last post 14/06/24 15:28
by dlparkhurst
Kinetic of Calcite Precipitation

Started by Hamed

1 Replies
909 Views
Last post 07/06/24 02:54
by dlparkhurst
KINETICS of Orgc

Started by gmgmgm

1 Replies
805 Views
Last post 13/05/24 16:12
by dlparkhurst
kinetics for PFAs sorption

Started by oatteia

6 Replies
1420 Views
Last post 25/04/24 21:16
by dlparkhurst
Store calculated rate in the RATE keyword

Started by ahmadreza_shojaee

4 Replies
1139 Views
Last post 24/04/24 11:11
by ahmadreza_shojaee
Nucelation RATES M=0

Started by Isil

2 Replies
1145 Views
Last post 03/04/24 12:04
by Isil
Kinetics - Activity of H+

Started by Rozeran

3 Replies
1243 Views
Last post 10/03/24 20:57
by dlparkhurst
Equilibrium problem in the kinetic modeling

Started by Hamed

3 Replies
1305 Views
Last post 05/03/24 23:37
by dlparkhurst
How to get information on reaction kinetics from experimental data

Started by Aoxuan_WANG

5 Replies
1705 Views
Last post 29/02/24 11:37
by Aoxuan_WANG
Use of CO2 to neutralize pH

Started by allancn

1 Replies
958 Views
Last post 27/02/24 15:10
by dlparkhurst
pH and PCO2 changes with time

Started by serhatttt

1 Replies
1022 Views
Last post 18/02/24 18:45
by dlparkhurst
water-rock-gas reaction computing time

Started by tongg

9 Replies
1883 Views
Last post 13/02/24 22:52
by dlparkhurst
Biodegradation of acetate (adding complexity to the model)

Started by maria15143

3 Replies
1466 Views
Last post 02/02/24 16:04
by dlparkhurst
KINETIC REACTIONS

Started by onat.yakisik

3 Replies
1157 Views
Last post 01/02/24 16:56
by dlparkhurst
calcite kinetic rate

Started by maria

3 Replies
1191 Views
Last post 24/01/24 15:35
by dlparkhurst
Retrieving cell saturation in kinetics when using phreeqcRM

Started by oatteia

4 Replies
1297 Views
Last post 22/01/24 15:18
by dlparkhurst
CO2 Reaction Rate

Started by serhatttt

8 Replies
1817 Views
Last post 19/01/24 09:04
by serhatttt
CONVERTION OF UNITS in kinetics controlled biodegradation of acetate

Started by maria15143

6 Replies
1684 Views
Last post 16/01/24 10:02
by maria15143
Bimass growth model

Started by Hamed

3 Replies
1297 Views
Last post 14/01/24 19:22
by dlparkhurst
Computing time and convergence in a complex kinetic model

Started by mloche

1 Replies
1284 Views
Last post 15/12/23 18:09
by dlparkhurst
A question about the kinetics simulation of CO2 transport after CO2 injection

Started by amueru

7 Replies
1968 Views
Last post 07/12/23 05:30
by dlparkhurst
Simple reaction RATES, KINETICS

Started by inhee

3 Replies
1295 Views
Last post 01/12/23 05:05
by dlparkhurst
Time dependent dissolution of CO2 gas phase

Started by smc

12 Replies
4028 Views
Last post 27/11/23 04:36
by dlparkhurst
Simple arithmetic in RATES block?

Started by peterwadeuk

2 Replies
1205 Views
Last post 13/11/23 09:44
by peterwadeuk
Salts kinetic dissolution

Started by larallange

6 Replies
2127 Views
Last post 28/07/23 23:40
by larallange
Data in kinetic reactions

Started by AliMahaqi

4 Replies
1349 Views
Last post 21/07/23 02:27
by AliMahaqi
help writing a simple reaction model for transport

Started by Mark Himenz

5 Replies
3232 Views
Last post 07/07/23 15:12
by dlparkhurst
nonequilibrium transport model in rate module

Started by bannings

1 Replies
1051 Views
Last post 06/07/23 16:19
by dlparkhurst
kinetics problem in phreeqcRM

Started by oatteia

1 Replies
1349 Views
Last post 02/07/23 17:46
by dlparkhurst
long-term behaviour of hydrogen in reservoirs.

Started by amaury22

5 Replies
1528 Views
Last post 30/06/23 20:54
by dlparkhurst
Help with kinetic model for Mg2SiO4 dissolution

Started by ms14218

1 Replies
1258 Views
Last post 29/06/23 17:06
by dlparkhurst
The rate equation with "nucleation" does not work at m0 = 0

Started by MichaelZ20

2 Replies
1169 Views
Last post 05/06/23 12:42
by MichaelZ20
H2S oxidation

Started by hkkv

5 Replies
1444 Views
Last post 01/06/23 15:40
by dlparkhurst
Redox Kinetics of Aqueous Pu+3 oxidation to Pu+4

Started by mcomins

9 Replies
1918 Views
Last post 17/05/23 13:17
by mcomins
Clay Kinetic Model

Started by taa18

12 Replies
2306 Views
Last post 13/05/23 20:27
by dlparkhurst
Define ion species in Kinetics keyword

Started by ahmadreza_shojaee

5 Replies
1696 Views
Last post 10/05/23 17:11
by dlparkhurst
Kinetic Modeling Error

Started by serhatttt

2 Replies
1364 Views
Last post 19/04/23 21:17
by serhatttt
Dissolution reaction kinetics for Birnessite

Started by sabber

0 Replies
1139 Views
Last post 22/03/23 05:12
by sabber
Using PEST for Bacteria Growth Parameters

Started by mek001

3 Replies
1491 Views
Last post 17/03/23 23:03
by dlparkhurst
Oxidation of Fe2+ and Mn2+ and precipitation of Fe(OH)3 and MnO2

Started by silvia

2 Replies
1447 Views
Last post 14/03/23 15:27
by silvia
changing moles of a reactant

Started by Cristina Domenech

12 Replies
3284 Views
Last post 28/02/23 12:41
by padhi
Reaction of pyrite

Started by dat

5 Replies
1666 Views
Last post 24/02/23 15:54
by dlparkhurst
Rates to simulate gas flush at specified time intervals

Started by mloche

1 Replies
1084 Views
Last post 07/02/23 19:50
by dlparkhurst
rate of basalt glass dissolution

Started by Anvj0705

5 Replies
1766 Views
Last post 29/12/22 03:42
by dlparkhurst
Reservoir Modeling.

Started by serhatttt

4 Replies
1673 Views
Last post 17/12/22 17:38
by serhatttt
Amount of residual and reacted minerals

Started by dat

3 Replies
1399 Views
Last post 12/12/22 15:57
by dlparkhurst
Kinetics of minerals mixture

Started by Agabamud

8 Replies
2275 Views
Last post 07/12/22 18:20
by dlparkhurst
Issues with Simulating Dolomite Kinetics

Started by davidblevy

6 Replies
2388 Views
Last post 14/11/22 21:09
by davidblevy
Geothermal Well Modeling

Started by serhatttt

7 Replies
2915 Views
Last post 27/09/22 19:28
by serhatttt
Rate equations in database and finding relevant equations of the reactions

Started by Chatura

2 Replies
1785 Views
Last post 07/09/22 23:50
by dlparkhurst
Explaining behavior of Kaolinite dissolution/plotting rates

Started by smolen

10 Replies
3041 Views
Last post 21/07/22 21:26
by smolen
Kinetics of anhydrite dissolution

Started by piet

2 Replies
2148 Views
Last post 22/06/22 17:22
by piet
Simplification of the Oxidation kinetics.

Started by mloche

1 Replies
2222 Views
Last post 16/02/22 20:50
by dlparkhurst
Manganese oxidation

Started by isaoxer

3 Replies
2770 Views
Last post 19/08/21 17:31
by dlparkhurst
Question regarding missing RATES info for Ca2SiO4 in PHREEQC

Started by miriam.absalyamova

1 Replies
1952 Views
Last post 08/07/21 15:13
by dlparkhurst
Sulfate solution + H2S reaction

Started by Alberto

9 Replies
7708 Views
Last post 26/05/21 21:29
by dlparkhurst
Discrepancy between Kinetic Delta Moles and moles value from RATES

Started by bleebo

2 Replies
2073 Views
Last post 17/05/21 20:43
by bleebo
reaction rate constant

Started by sama.k

0 Replies
1736 Views
Last post 21/03/21 09:47
by sama.k
Kinetic reaction in function of time

Started by FlouretAlex

1 Replies
2106 Views
Last post 03/12/20 23:31
by dlparkhurst
Integration Time needed to complete KINETICS coupled to TRANSPORT

Started by Ucef

1 Replies
1880 Views
Last post 04/11/20 21:53
by dlparkhurst
Rate law with "Elapsed time" as a variable

Started by Ucef

2 Replies
1819 Views
Last post 26/10/20 20:23
by Ucef
Multiple kinetics simulation

Started by davide

2 Replies
2040 Views
Last post 22/10/20 15:48
by davide
The initial mole value of the precipitating substance

Started by sama.k

9 Replies
3020 Views
Last post 28/08/20 16:49
by dlparkhurst
Conditional in RATES

Started by javiera.aedo

4 Replies
1982 Views
Last post 27/08/20 19:00
by javiera.aedo
How to add a new solution to equilibrate during a kinetic process

Started by sama.k

5 Replies
2337 Views
Last post 03/08/20 01:18
by dlparkhurst
Output the current amount of reactants during kinetic reactions

Started by Yongqiang

2 Replies
1892 Views
Last post 17/06/20 14:27
by Yongqiang
Kinetics and solid solution

Started by Flopi

3 Replies
2521 Views
Last post 05/06/20 15:47
by dlparkhurst
Need kinetic data for scheelite(CaWO4) and ferberite (FeWO4) dissolution

Started by Sidol

0 Replies
2063 Views
Last post 02/06/20 09:49
by Sidol
stoichiometric coefficient of the KINETICS data block

Started by sama.k

3 Replies
2660 Views
Last post 11/05/20 14:17
by dlparkhurst
calcite dissolution in a pipe

Started by davide

12 Replies
3513 Views
Last post 26/04/20 14:30
by davide
How to determine kinetic time step

Started by Sidol

1 Replies
2030 Views
Last post 14/04/20 17:15
by dlparkhurst
Cement Hydration Kinetics

Started by sama.k

5 Replies
3391 Views
Last post 04/04/20 23:09
by dlparkhurst
Evaporation steps linked to time

Started by Charlie

7 Replies
2829 Views
Last post 01/04/20 15:31
by dlparkhurst
Question about dissolution kinetics

Started by Sidol

1 Replies
2141 Views
Last post 20/03/20 18:34
by dlparkhurst
Need help in modeling of corrosion of carbon steel bar in concrete by PHREEQC

Started by Sidol

5 Replies
2945 Views
Last post 11/03/20 09:09
by Sidol
Calcite Dissolution Kinetics in PHREEQC Manual

Started by bschroth

24 Replies
9421 Views
Last post 09/03/20 14:12
by dlparkhurst
A concentration jump at the beginning of transport with kinetic dissolution

Started by MichaelZ20

2 Replies
2304 Views
Last post 21/02/20 14:25
by MichaelZ20
Kinetics of Fe(2) oxidation and Fe(3) precipitation

Started by Benkaito

6 Replies
2780 Views
Last post 03/12/19 21:23
by Benkaito
Kinetics for ferrihydrite Fe(OH)3(a) in mining canal

Started by M.Gundlach

13 Replies
3971 Views
Last post 28/11/19 16:28
by pia said
Calcite Disolution in open and close system

Started by pia said

2 Replies
2463 Views
Last post 25/09/19 18:39
by pia said
Goethite - Precipitation Rates

Started by lourdsa

5 Replies
3287 Views
Last post 10/09/19 18:10
by dlparkhurst
dissolution with solution agitation

Started by Cauchy

7 Replies
2665 Views
Last post 13/08/19 17:19
by dlparkhurst
brucite dissolution/precipitation kinetics

Started by Cauchy

4 Replies
2419 Views
Last post 25/07/19 14:03
by Cauchy
modeling the corrosion of steel

Started by pslomski

1 Replies
2580 Views
Last post 21/02/19 20:08
by dlparkhurst
Kinetic modeling of water-CO2-rock at 300 C and 222.67 atm

Started by gagasutomo

5 Replies
3052 Views
Last post 16/01/19 22:24
by dlparkhurst
reaction rate as function of pH

Started by Hydroman

4 Replies
2887 Views
Last post 07/01/19 20:29
by Hydroman
coefficients of anorthite and illite

Started by Hydroman

2 Replies
2274 Views
Last post 20/12/18 07:34
by Hydroman
Transformation from Static Leaching to Dynamic Leaching Via Kinetic Flow Term

Started by jLi200H

2 Replies
2087 Views
Last post 12/12/18 08:53
by jLi200H
Rate expression for pyrite oxidation

Started by ACSchubert

2 Replies
2538 Views
Last post 19/11/18 20:12
by ACSchubert
Problems defining the parameters for kinetic calcite dissolution

Started by ACSchubert

4 Replies
2423 Views
Last post 01/11/18 23:30
by dlparkhurst
Reaction stoichiometry for oxidation of Nta (Example 15)

Started by MichaelZ20

2 Replies
2463 Views
Last post 15/10/18 17:47
by MichaelZ20
Kinetic Dissolution of Calcite

Started by Renmori

5 Replies
3933 Views
Last post 27/09/18 15:40
by dlparkhurst
Need help with kinetic transport

Started by mdangelm

3 Replies
2812 Views
Last post 11/09/18 23:22
by dlparkhurst
Dividing a column into more cells preserving kinetic behaviour - A0/V

Started by peterwadeuk

1 Replies
2379 Views
Last post 27/07/18 16:00
by dlparkhurst
Peaks in the breakthrough curve with transport and kinetics

Started by GautierLaurent

6 Replies
3523 Views
Last post 24/05/18 10:14
by GautierLaurent
Phreeqc seems to halve first kinetic step

Started by peterwadeuk

2 Replies
2554 Views
Last post 20/04/18 18:15
by peterwadeuk
Kinetic of Fe(OH)3(a) precipitation and Kinetic of ferrous iron oxidation

Started by woonghee89

2 Replies
3052 Views
Last post 26/03/18 01:54
by woonghee89
kinetic rate

Started by Selene Eliana Patani

2 Replies
2774 Views
Last post 20/03/18 09:28
by Selene Eliana Patani
Kinetic Reaction for species

Started by hamiderfani

1 Replies
2503 Views
Last post 03/01/18 18:41
by dlparkhurst
Dissolution and precipitation of minerals

Started by hmal

6 Replies
4495 Views
Last post 25/12/17 22:36
by hmal
kinetic exchange

Started by zsszabo86

1 Replies
2643 Views
Last post 01/12/17 15:59
by dlparkhurst
kinectic of galena and cerussite in acid ph

Started by Scarlet

2 Replies
2379 Views
Last post 24/10/17 18:55
by Scarlet
Simple Electrolysis - Kinetics ?

Started by Merlin66

12 Replies
5621 Views
Last post 14/10/17 22:58
by dlparkhurst
Galena Kinetics

Started by Scarlet

28 Replies
7859 Views
Last post 11/10/17 23:56
by Scarlet
Ureolysis and Calcite kinetics

Started by rizon007

0 Replies
2227 Views
Last post 16/09/17 18:56
by rizon007
Calcite Dissolution Kinetic Help

Started by mems

1 Replies
2766 Views
Last post 01/08/17 19:35
by dlparkhurst
About kinetics on aqueous components

Started by Pak

3 Replies
3855 Views
Last post 11/07/17 18:24
by Pak
Rate Expressions

Started by rfembilejr

2 Replies
2686 Views
Last post 11/07/17 15:04
by rfembilejr
Checking exchanger reactions

Started by peterwadeuk

2 Replies
2417 Views
Last post 03/07/17 11:01
by peterwadeuk
Mackinawite reactive dissolution kinetics

Started by peterwadeuk

0 Replies
2186 Views
Last post 02/07/17 11:02
by peterwadeuk
Kinetics and Rates with Transport Modelling of Tailings columns

Started by rfembilejr

7 Replies
7013 Views
Last post 11/05/17 16:46
by rfembilejr
COPY and USE KINETICS?

Started by zsszabo86

3 Replies
2904 Views
Last post 07/04/17 18:11
by dlparkhurst
ADVECTION with KINETICS

Started by Laknesh

2 Replies
2688 Views
Last post 17/03/17 02:31
by Laknesh
C isotopes with transport using rates

Started by Pete_Scott

0 Replies
2181 Views
Last post 16/03/17 17:18
by Pete_Scott
Calcite Dissolution Reaction Output

Started by priyaiitr

3 Replies
3069 Views
Last post 05/10/16 19:50
by dlparkhurst
Reaction rate as output for different time steps

Started by priyaiitr

3 Replies
2657 Views
Last post 12/09/16 17:13
by dlparkhurst
calculation of k_qu

Started by Hydroman

2 Replies
3174 Views
Last post 01/09/16 08:33
by Hydroman
equilibrium or kinetics

Started by bessie000

9 Replies
8524 Views
Last post 18/03/16 12:56
by Martin K
Kinetic redox reactions

Started by NKampman

1 Replies
4146 Views
Last post 04/11/15 02:52
by dlparkhurst
Multiple rate blocks conflicting

Started by DHodkin

2 Replies
3782 Views
Last post 27/10/15 07:50
by DHodkin
Kinetic reaction of CH2O

Started by Max1

7 Replies
4092 Views
Last post 30/09/15 17:08
by dlparkhurst
Halite/Gypsum Precipitation

Started by sttr6

1 Replies
2958 Views
Last post 25/09/15 16:27
by dlparkhurst
Oxidation rate of manganese by KMnO4

Started by Nick

4 Replies
5207 Views
Last post 25/09/15 00:29
by Nick
Initial concentrations as input to RATES

Started by Alberto

1 Replies
3151 Views
Last post 22/07/15 14:02
by dlparkhurst
Error Reproducing "Fractionation of Carbon during Precipitation"

Started by GuyC

1 Replies
2869 Views
Last post 09/07/15 00:36
by dlparkhurst
Kinetics-Calculate m0

Started by Pia-Caroline

1 Replies
2767 Views
Last post 24/06/15 13:51
by dlparkhurst
Calcite kinetics

Started by Ismail Mercimek

1 Replies
2858 Views
Last post 17/06/15 14:00
by dlparkhurst
KC

Started by snjaykdubey

3 Replies
3196 Views
Last post 04/05/15 14:56
by dlparkhurst
Kinetic for Corrosion

Started by snjaykdubey

1 Replies
3108 Views
Last post 02/05/15 23:47
by dlparkhurst
RATES output unit: mol/kgw?

Started by asainz

2 Replies
4002 Views
Last post 23/03/15 13:46
by asainz
sequence of reaction

Started by tanbbc

0 Replies
2990 Views
Last post 01/02/15 08:05
by tanbbc
Input to RATES block

Started by nickvz

2 Replies
3789 Views
Last post 09/10/14 20:33
by nickvz
SO2 Kinetics problem

Started by justinninja1

0 Replies
3158 Views
Last post 09/10/14 13:09
by justinninja1
Precipitation before kinetics

Started by luicho

4 Replies
4388 Views
Last post 13/08/14 19:43
by luicho
Previous step values

Started by Laknesh

2 Replies
3223 Views
Last post 24/06/14 09:22
by Laknesh
exponent for the term (A/V) in the reaction kinetics

Started by Tom

2 Replies
4508 Views
Last post 24/04/14 07:14
by nickvz
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