ProSim SA
Immeuble Stratège A
51, rue Ampère
F-31670 Labège

Tel. :+33 (0)5 62 88 24 30
Fax :+33 (0)5 62 88 24 39

ProSim Inc
325 Chestnut Street
Suite 800
Philadelphia, PA 19106

Tel. :+1 215 600 3760
Fax :

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ProSim DAC

Dynamic Adsorption Column Simulation

ProSim DAC is a dynamic simulation software for adsorption columns. Both adsorption and regeneration steps (TSA, PSA, VTSA…) can be modeled. ProSim DAC is a decision support tool to conduct in-depth analysis of solid-gas adsorption operations including refinery hydrogen purification, isotopic separation, VOC emission control, solvent recovery... The software is mainly used in nuclear, air treatment and hydrogen studies.


Easy simulation and cyclic process management

In-depth analysis of solid-gas adsorption operations

A property database containing more than 2,200 components

A full set of thermodynamic models

A full set of isotherm models



ProSim DAC is a software developed by ProSim engineers for process engineers. The objective of the software is to enable process simulation and optimization for a large range of industrial gas adsorption processes such as cyclic processes (pressure-swing adsorption, temperature-swing adsorption…). The software will allow the selection of optimal adsorbents, the design of improved adsorption cycles, and the improvement of general plant operations. The user is able to quickly test process modifications and their performance.

ProSim DAC is a specific software based on our successful ProSimPlus product, so it uses the same graphical user interface and graphical capabilities as ProSimPlus.


Easy simulation and cyclic process management

Modeling capabilities for a wide variety of adsorbents (activated carbon, zeolites...)

Many different models are included (isotherm type, thermal working, mass transfer model…)


Cost reduction

Improved process understanding

Improved process design

Improved plant operations

Safety studies (hot spots…)


Time-dependent feed characteristics

Selection of 2 types of columns: lengthwise flow column or transverse flow column:


Processes include Pressure Swing Adsorption (PSA), Temperature Swing Adsorption (TSA), Steam regeneration, Vacuum Thermal Swing Adsorption (VTSA)

Database of properties for many activated carbon materials

Isotherm library (Langmuir, Toth, Dubinin-Radushkevich, Langmuir extended, Sips...)

Database and predictive isotherm for VOC – Activated carbon systems

Cycle organizer and task manager

Financial reporting


Dynamic Adsorption Column Simulation with ProSim DAC

ProSim DAC interface

Process Feed - ProSim DAC

Process feed

Column adsorption simulation software


Adsorption column parameters

Tabulated results (graph)


Adsorption Column - Breakthrough curve

Adsorption Column - Breakthrough curve

Adsorption column - Results file

Adsorption column - Results file

Reports for the  adsorption column & its streams

Reports for the adsorption column & its streams


What are the hardware requirements for ProSim DAC?

Intel (or equivalent) based PC with:
•    2 GB RAM or more (4 GB recommended).
•    32-bit or 64-bit operating system such as Microsoft Windows XP, Vista, Windows 7, Windows 10, Windows Server 2003, Windows Server 2008, Windows Server 2012 (please consult for other systems).
•    At least 2 GB free disk space after install for optimal desktop performance.
•    Internet access to download the software (or CD drive).