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Aspen Plus

Steady-state chemical process simulation and optimization

Vendor
AspenTech
License
Commercial
Platforms
Windows

Aspen Plus is the benchmark flowsheet simulator for chemical processes: rigorous thermodynamic property packages, unit-operation models from distillation to reactors, and economic and energy analysis integrated into the flowsheet. It dominates process design in chemicals, refining, and increasingly bioprocessing and carbon capture.

Best for: process engineers designing, debottlenecking, or optimizing continuous chemical plants.

Consider alternatives when modeling refinery-wide digital twins with AI integration (KBC Petro-SIM) or when open-source flowsheeting (DWSIM) covers teaching needs.

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