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FIG. 004EEngineering

Aspen Plus

by AspenTech

Process simulator oriented to chemicals, polymers, solids and specialty processes, with a large physical property database. Used for process design, scale-up and integrated economic, energy and emissions analysis.

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Specification

Vendor
AspenTech · Emerson
Categories
Process Simulation
Phase
EEngineering
Status
Active
Deployment
Desktop
Licensing
Commercial licence
Standards
None documented
Official site
aspentech.com

Capabilities

  1. aBatch and continuous chemical process modelling
  2. bSolids, polymer and biomass processes
  3. cPhysical property database and methods
  4. dIntegrated economic, energy and emissions analysis
  5. eCarbon capture and electrolysis modelling

Assessment

The reference simulator for chemicals and specialty processes, with property methods few competitors match. Expect to invest in skilled users.

  1. Capability25%10/10

    Chemicals, polymers, solids and electrolytes backed by an extensive physical-property system, plus economics and emissions analysis.

  2. Interoperability20%7/10

    Strong within AspenTech, including links to HYSYS and cost estimating.

  3. Scale15%9/10

    Handles scale-up and complex chemical plants from lab data to commercial design.

  4. Usability15%6/10

    Very capable, but property-method choices and convergence demand experience.

  5. Deployment10%6/10

    Primarily desktop software.

  6. Ecosystem15%9/10

    A standard in chemical engineering education and the chemicals industry.

Strengths

  • Unrivalled property methods
  • Solids, polymers and electrolytes
  • Integrated economic and emissions analysis

Considerations

  • Steeper learning curve than HYSYS
  • Premium licensing
  • Desktop-centred

Editorial assessment from public documentation, 23 October 2026. Not a hands-on benchmark. Methodology

In the same circuit · Process Simulation

  1. 01
    Aspen HYSYSAspenTech
    84
  2. 02
    Aspen PlusAspenTech
    81
  3. 03
    AVEVA Process SimulationAVEVA
    77
  4. 04
    SymmetrySLB
    73
  5. 05
    Petro-SIMKBC (A Yokogawa Company)
    71
  6. 06
    UniSim Design SuiteHoneywell
    71
  7. 07
    AVEVA PRO/II SimulationAVEVA
    70
  8. 08
    gPROMS ProcessSiemens
    70
  9. 09
    ProMaxBryan Research & Engineering
    68
  10. 10
    CHEMCADDatacor
    67
  11. 11
    DWSIMDWSIM
    62

Compare head to head

Documented integrations and data exchange, in either direction.

Sources

  1. Aspen PlusAspenTech · accessed 22 October 2026

Plate updated 22 October 2026 · revision 1