Leverage Dynamic Process Simulation


Dynamic simulations are able to replicate actual plant behavior, making them valuable for plant design, operation, optimization, and training.

ChemstationsChemical process simulation enables engineers to identify the stable and reproducible operating conditions that help attain acceptable product purities, reaction yields, and cycle times. These simulations give companies and facilities the insight needed to comply with safety and environmental regulations and estimate process economics.

While continuous processes are usually studied with steady-state simulation, batch and semi-batch processes require dynamic simulation. Steady-state simulations can be adapted to predict dynamic behavior by carrying out a series of runs, sensitivity studies, and optimizations, but they do not allow a detailed study of all interactions. Dynamic simulations based on real-time or accelerated-time principles can represent actual plant behavior.

This article reviews the benefits and potential of dynamic process simulation in plant design, operation, optimization, and training.

Author Bios: 

John E. Edwards

John E. Edwards is the process simulation specialist at P&I Design Ltd., based in Teesside, U.K. He founded the company to provide services related to industrial processes and instrumentation, including process and control system design, to the specialty chemical and pharmaceutical industries. He specializes in dynamic process simulation, including batch reactor and relief sizing applications, which led to a partnership with Chemstations, Inc. Edwards has a BSc in chemical engineering from Glasgow Univ. and an MSc in engineering management from Northeastern Univ. He is a Fellow of the...Read more

Daniel Hill

Daniel Hill is a process engineer at P&I Design Ltd., specializing in functional safety and simulation. He has a BSc in physics and philosophy from the Univ. of Sheffield and is currently studying to earn his BEng in chemical engineering from the Univ. of Strathclyde.Read more

David Hill

David Hill is manager of technical support for Chemstations' CHEMCAD, where he teaches dynamic simulation and works with alliance partners to combine process simulation models with advanced process controls and mixed integer optimizations. He has a BS in chemical engineering from the Univ. of Houston and an MBA from Rice Univ.Read more

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