USGS: Science for a changing world

PHREEQC (Version 2)--A Computer Program for Speciation, Batch-Reaction, One-Dimensional Transport, and Inverse Geochemical Calculations

Information:

Bullet PHREEQC Abstract
Bullet IPhreeqc Modules (COM/DLL/Library) Abstract
Bullet PhreeqcI Fact Sheet FS-031-02 (PDF)
Bullet Complete On-Line User's Guide
Bullet Notes for training course: Geochemistry for Groundwater Systems 2011 (Geochem2011.tgz, PowerPoint and examples, 180M)

Current Versions:

Bullet PHREEQC Release notes
Bullet Installation For Win32 Batch Version
Bullet Installation For Linux Batch Version
Bullet Installation For MacOS(Intel) 10.4-10.6
Bullet Module Release notes

Other Resources:

Bullet FAQ--Frequently Asked Questions about PHREEQC and PhreeqcI
Bullet Mail Archive--Questions and answers about PHREEQC, PhreeqcI, and Netpath
Bullet Reports using PHREEQC and PHAST
Bullet Appelo's home page: Information, examples, and training courses
Bullet Mike Mueller's PHREEQPY home page: Using PHREEQC in Python

Features:

Version 2.12 Pitzer activity coefficient model (PHREEQC and PHAST). Just use pitzer.dat database.

Version 2.13: CD-MUSIC surface complexation (PHREEQC and PHAST). 1D transport with multicomponent diffusion (PHREEQC only).

Version 2.17: SIT (Specific Interaction Theory) aqueous model; additional term for log K and parameter temperature expressions; active-fraction exchange model; precipitate only option for EQUILIBRIUM_PHASES. PhreeqcI updated for all PITZER, SIT, and TRANSPORT capabilities; bug fixes.

Version 2.18: IPhreeqc modules: Windows COM for use with Excel, Matlab, Python; and Library/DLL for Fortran, C, C++ on Windows or Linux.

Download:

The Free Software Foundation's gunzip is necessary to uncompress the UNIX tar files available below. However, some World Wide Web browsers automatically uncompress retrieved files. Thus, running gunzip as stated in the installation instructions may be unnecessary.

Graphical User Interfaces
Platform Processor File names Size Notes
Windows 32-bit phreeqci-2.18.3-5570.msi 13M Executable, source, database files, examples, PDF documentation
PHREEQC for Windows -- PHREEQC for Windows Home Page
Batch Versions
Platform Processor File names Size Notes
Linux 32-bit phreeqc-2.18.3-5570.Linux.tar.gz 3.2M Executable, source, database files, examples, PDF documentation
Source phreeqc-2.18.3-5570.source.tar.gz 2.7M Source, database files, examples, PDF documentation
MacOS(Intel) 64-bit phreeqc-2.18.0-5314.dmg 2.5M Executable (Intel), database files, examples, and PDF documentation
Windows 32-bit phreeqc-2.18.3-5570.msi 3.3M Executable, source, database files, examples, PDF documentation
Modules
Platform Processor File names Size Notes
Any Any iphreeqc-2.18.3-5570.tar.gz 1.2M Source with configure and VS2005 project file
Windows 32-bit IPhreeqc-2.18.3-5570-vs2005-win32.7z 6.1M Static and Dynamic (DLL) Libraries (VS2005)
IPhreeqc-2.18.3-5570-vs2005-win32.zip 14M Static and Dynamic (DLL) Libraries (VS2005)
64-bit IPhreeqc-2.18.3-5570-vs2005-x64.7z 7.6M Static and Dynamic (DLL) Libraries (VS2005)
IPhreeqc-2.18.3-5570-vs2005-x64.zip 17M Static and Dynamic (DLL) Libraries (VS2005)
Windows COM 32-bit IPhreeqcCOM-2.18.3-5570-win32.msi 3.7M COM Server, CHM documentation
64-bit* IPhreeqcCOM-2.18.3-5570-x64.msi 3.5M COM Server, CHM documentation
* -- Both 32-bit and 64-bit COM versions should be installed on 64-bit versions of Windows

Documentation

Bullet PHREEQC PDF Documentation (1.1M)
Bullet PhreeqcI Fact Sheet (PDF) (0.1M)
Bullet IPhreeqc Modules Documentation (PDF) (0.3M)
Bullet IPhreeqc Documentation (CHM) (0.2M) (HTML)
Bullet IPhreeqcCOM Documentation (CHM) (0.2M)

Status:

Bullet Status of PHREEQC Programs
Bullet Add Me to the PHREEQC Mailing List (Include the word "subscribe" in body of letter)
Bullet Your Comments/Bug Reports

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Please note that some U.S. Geological Survey (USGS) information accessed through this page may be preliminary in nature and presented prior to final review and approval by the Director of the USGS. This information is provided with the understanding that it is not guaranteed to be correct or complete and conclusions drawn from such information are the sole responsibility of the user.

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The URL of this page is: http://wwwbrr.cr.usgs.gov/projects/GWC_coupled/phreeqc/index.html
Email:dlpark@usgs.gov
Last modified: $Date: 2011-08-16 16:00:24 -0600 (Tue, 16 Aug 2011) $
Visitor number 130140 since Jan 22, 1998.