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Chemical Reactor Residence Time Calculator

Calculate the exit concentration and conversion for a CSTR or PFR reactor with first-order kinetics given reactor volume, flow rate, and rate constant. Used by chemical engineers to size reactors and predict performance during process design.

Volumetric Flow Rate (m³/h)

Reactor Volume (m³)

Rate Constant (h⁻¹)

Initial Concentration (mol/L)

Reactor Type

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Chemical Engineering

Fluidized Bed Minimum Velocity Calculator

Determines the minimum fluidization velocity for particles in a fluid bed reactor. Use it when designing fluidized bed combustors, catalytic crackers, or dryers to ensure proper bed expansion.

Particle Diameter (μm)

Particle Density (kg/m³)

Fluid Density (kg/m³)

Fluid Dynamic Viscosity (Pa·s)

Bed Voidage at Minimum Fluidization

Particle Sphericity

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Key differences

	Chemical Reactor Residence Time Calculator	Fluidized Bed Minimum Velocity Calculator
Category	Chemical Engineering	Chemical Engineering
Inputs required	5	6
Result	Residence Time (hours)	Minimum Fluidization Velocity (m/s)
What it does	Calculate the exit concentration and conversion for a CSTR or PFR reactor with first-order kinetics given reactor volume, flow rate, and rate constant. Used by chemical engineers to size reactors and predict performance during process design.	Determines the minimum fluidization velocity for particles in a fluid bed reactor. Use it when designing fluidized bed combustors, catalytic crackers, or dryers to ensure proper bed expansion.