Aspen Plus

Maximize profits using a plant-wide simulation solution that combines unparalleled accuracy and engineering collaboration with time-saving workflows.

The Chemical Industry's Leading Process Simulation Software

Comprehensive for the Chemical Industry

Use integrated modeling for batch and continuous processes from innovation through operations.

Intuitive, Time-Saving Workflows

Employ seamless, integrated tools for costing, energy management, safety analysis and equipment design. Get visual insights with a modern user interface for today's engineers.

Operational Decision Support

Enable lifecycle modeling from design through operations for faster troubleshooting, online performance monitoring and real-time optimization.

Trusted Process Simulation

Rely on a process simulator built on over 35 years of experience and feedback from top chemical companies. Access the latest innovations in process simulation.
Whats new in V11
What's new in V11?
Boost profitability by closing the gap between planning and actual operations through the Aspen Plus V11 release. Improve batch operations through visual scheduling insights, optimize distillation columns through customizable tray design and added configuration flexibility and build your models with confidence with expanded physical property capabilities. Choose traditional desktop or deployment in the cloud.

Introducing aspenONE Engineering deployment in the cloud: Access the latest software anytime, anywhere

aspenONE Engineering software is now available for cloud deployment! aspenONE Engineering deployment in the cloud accelerates deployment and lowers the total cost of ownership for IT departments and allows user access to the latest aspenONE Engineering innovations anytime, anywhere, through a web browser.

Learn More

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Looking for quick demonstrations on using AspenTech products to solve your engineering and operations challenges? Browse this compilation of bite-sized videos produced by AspenTech experts covering all our major solutions.


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Find on-demand training for applying AspenTech products to your complex process engineering and operational problems. Our comprehensive eLearning courses, created by AspenTech experts, offer self-guided learning paths for all our major solutions.

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Aspen Classroom Learning

We offer comprehensive libraries of classroom and virtual expert-led training courses for our process engineering and operational solutions. All courses are created and produced by AspenTech experts.