Welcome to the ORCHESTRA website!
ORCHESTRA is a computer program for simulating chemical speciation and reactive transport processes.
This is the place to get:
- Information about the ORCHESTRA software
- Latest versions for downloading
- Documentation
- Example files
- Course information
- Download a quick complete get started folder (April 2024)
- A short get started description
- ORCHESTRA hints for PHREEQC users (and vice versa)
(The previous website can still be found here).
Further development and maintenance of ORCHESTRA is supported by NRG, Petten The Netherlands.