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CSTR thermal runaway (Arrhenius exotherm)
DynamicsCSTRArrheniusThermal runawayReactor safety
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Open this exact flowsheet in the workspace, already solved — tweak a spec and re-run.
Adiabatic ethylene oxide hydrolysis to ethylene glycol in a CSTR — the classic reactor-safety teaching case (Fogler). Solves to a safe steady conversion at the design feed temperature; switch to the Dynamic solve mode and step the feed temperature up a few degrees to watch the exotherm and the Arrhenius rate feed back on each other (thermal runaway), self-limited as the reactant depletes.
The flowsheet
The solved topology — every unit op's real duty, conversion, or split, read straight off a genuine converged solve.
The stream table
Every stream's flow, temperature, pressure, and composition — real converged numbers, not placeholders.
See it live
Open this exact flowsheet in the workspace, already solved — tweak a spec and re-run.