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Equilibrium Reactor

The IDAES Equilibrium reactor model represents a unit operation where a material stream undergoes some chemical reaction(s) to reach an equilibrium state. This model is for systems with reaction with equilibrium coefficients - for Gibbs energy minimization see Gibbs reactor documentation.

Degrees of Freedom

Equilibrium reactors generally have 1 degree of freedom.

Typical fixed variables are:

  • reactor heat duty (has_heat_transfer = True only).

Model Structure

The core Equilibrium reactor unit model consists of a single ControlVolume0D (named control_volume) with one Inlet Port (named inlet) and one Outlet Port (named outlet).

Additional Constraints

Equilibrium reactors units write the following additional Constraints beyond those written by the Control Volume if rate controlled reactions are present.


rt, r = 0

where rt, r is the rate of reaction for reaction r at time t. This enforces equilibrium in any reversible rate controlled reactions which are present. Any non-reversible reaction that may be present will proceed to completion.

Variables

Equilibrium reactor units add the following additional Variables beyond those created by the Control Volume.

Variable Name Notes
Vt volume If has_holdup = True this is a reference to control_volume.volume, otherwise a Var attached to the Unit Model
Qt heat Only if has_heat_transfer = True, reference to control_volume.heat

idaes.models.unit_models.equilibrium_reactor

EquilibriumReactor Class

EquilibriumReactor

EquilibriumReactorData Class

EquilibriumReactorData