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How to use this forum

No New Posts How to use phreeqcusers

Please read these notes before posting.

5 Posts
5 Topics

Last post by Tom
in Please post new question...
on June 07, 2015, 04:43:32 PM

No New Posts Introduce yourself

Use this space to summarise your modeling experience, geochemistry interests, professional objectives, as well as a short bio if you would like.

135 Posts
62 Topics

Last post by KDrUmic
in Kris Driesen
on February 14, 2019, 12:29:42 PM

About & Support

No New Posts About

Read about why the forum was set up.

4 Posts
3 Topics

Last post by Charlie
in Donations
on September 25, 2017, 10:57:57 AM

* Donate to support PhreeqcUsers

We rely on your donations to keep the website running. If you have found this website of value, and can spare any amount to keep it running, please consider a small donation. Even a couple of £/$/€ will make a big difference.

2114 Redirects

News and updates of PHREEQC

No New Posts News about PHREEQC

News about PHREEQC (including modifications and releases)

33 Posts
21 Topics

Last post by dlparkhurst
in Version 3.4.0 has been r...
on November 22, 2017, 08:46:27 PM

PHREEQC installation

No New Posts Installing

Questions regarding installation should be posted on this board.

81 Posts
24 Topics

Last post by mssmith
in Re: Windows 10 compatibn...
on February 17, 2019, 10:00:06 PM

Beginners

No New Posts PHREEQC Basics

Please use this board for questions on the basics of PHREEQC. For specific questions, please select a specialist board.

949 Posts
249 Topics

Last post by chrisnguen38
in Re: Diffusive Transport ...
on February 18, 2019, 08:00:22 AM

No New Posts PHREEQC Manual Examples

Discuss the examples included in the manual for PHREEQC

24 Posts
8 Topics

Last post by zsszabo86
in porosity
on December 05, 2018, 02:23:41 PM

Conceptual Models

No New Posts Design of conceptual models

Aspects to consider when designing a conceptual model

167 Posts
40 Topics

Last post by dlparkhurst
in Re: Geothermal reservoir
on February 07, 2019, 05:03:13 PM

No New Posts Example Input Solutions

Looking for an input solution? Seawater, rainwater, groundwater...

10 Posts
7 Topics

Last post by dlparkhurst
in Re: Seawater composition...
on December 21, 2016, 03:05:09 PM

Databases

No New Posts Selecting and Modifying Databases

Discuss the appropriate selection of a database.

231 Posts
65 Topics

Last post by dlparkhurst
in Re: Adding sulfamic acid...
on January 30, 2019, 04:11:04 PM

Mixing

No New Posts Mixing Solutions

Discuss mixing of solutions and its implementation in PHREEQC.

77 Posts
23 Topics

Last post by dlparkhurst
in Re: help with unknown Ma...
on February 18, 2019, 11:56:03 PM

Solubility

No New Posts Dissolution/precipitation

Discuss dissolution/precipitation reactions in PHREEQC.

317 Posts
91 Topics

Last post by MichaelZ20
in Re: Aragonite-Strontiani...
on February 10, 2019, 10:13:12 PM

Redox Equilibria

No New Posts Oxidation and Reduction

Discuss redox equilibria and its implementation in PHREEQC.

84 Posts
27 Topics

Last post by John Mahoney
in Re: Log_k of O2 formatio...
on October 31, 2018, 05:44:46 PM

Reactive Transport

No New Posts Reactive Transport Modelling

Discuss reactive transport modelling and column studies

507 Posts
109 Topics

Last post by dlparkhurst
in Re: Phreeqc COM couplin...
on February 01, 2019, 06:11:13 PM

Surface Complexation

No New Posts Surface Complexation/sorption - General

Discuss modelling of surface complexation reactions and their implementation in PHREEQC.

210 Posts
65 Topics

Last post by dlparkhurst
in Re: Acid on exchanger in...
on February 13, 2019, 10:32:10 PM

Inverse Modelling

No New Posts Inverse Modelling

Discuss inverse modelling and its implementation in PHREEQC.

167 Posts
25 Topics

Last post by dlparkhurst
in Re: Inverse modelling fo...
on February 09, 2019, 01:44:17 AM

Kinetics and Equilibrium

No New Posts Kinetics

Discuss rate controlling factors.

230 Posts
55 Topics

Last post by dlparkhurst
in Re: Kinetic modeling of ...
on January 16, 2019, 10:24:04 PM

No New Posts Equilibrium

How far is the system from equilibrium? Discuss assumptions.

53 Posts
12 Topics

Last post by Sol-Chan Han
in Re: Convergence error in...
on November 29, 2018, 12:33:41 PM

Applications and Case Studies

No New Posts Groundwater flow studies

Geochemical modeling to assist groundwater flow studies

11 Posts
1 Topics

Last post by dlparkhurst
in Re: Leaching
on April 13, 2017, 07:52:42 PM

No New Posts Irrigation studies

PHREEQC simulations for agricultural purposes

2 Posts
1 Topics

Last post by Charlie
in Case study of irrigation...
on March 14, 2014, 12:19:36 AM

No New Posts Water Engineering

Discuss applications of PHREEQC for engineering water supply.

3 Posts
2 Topics

Last post by dlparkhurst
in Re: Membrane concentrate...
on June 23, 2017, 04:29:09 PM

No New Posts Acid Drainage

Discuss the application of PHREEQC to AMD and ARD

32 Posts
9 Topics

Last post by Ted
in APPLYING HYDROGEOCHEMICA...
on October 24, 2018, 09:13:00 PM

No New Posts Soil Profiling

Discuss applications of PHREEQC for predicting changes in soil profile geochemistry.

2 Posts
1 Topics

Last post by Tom
in Re: DETERMINATION OF SUL...
on June 24, 2014, 09:08:01 AM

No New Posts Civil Engineering

Discuss applications of PHREEQC for civil engineering. Cement-fluid interaction etc...

7 Posts
2 Topics

Last post by Tom
in Re: Simulation of acid-s...
on April 25, 2014, 09:07:26 PM

Resources and References

No New Posts Resources

Downloads, databases, documentation and associated organisations.

22 Posts
21 Topics

Last post by Pak
in OECD-NEA TDB database
on November 21, 2018, 04:59:07 PM

No New Posts References

Published literature that has used PHREEQC. Add your papers here.

21 Posts
21 Topics

Last post by md.muniruzzaman
in Nernst‐Planck based tran...
on April 26, 2018, 07:54:00 AM

Courses

No New Posts Geochemistry and PHREEQC Courses

Post upcoming courses here

7 Posts
6 Topics

Last post by John Mahoney
in Geochemical Modeling cou...
on December 13, 2018, 05:49:59 PM

Feeback and Comments

No New Posts Contact PhreeqcUsers

Use these details to get in touch.

1 Posts
1 Topics

Last post by Tom
in PhreeqcUsers Contact Det...
on October 13, 2015, 09:32:12 PM

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