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Both calculators run independently — change the inputs on either side to compare results.

Vapor Pressure Calculator (Antoine Equation)

Calculate the vapor pressure of common chemicals at a given temperature using the Antoine equation and built-in constants for water, benzene, toluene, and ethanol. Essential for distillation design, safety assessments, and environmental modeling.

Temperature (°C)

Compound

Custom Antoine A

Custom Antoine B

Custom Antoine C

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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

	Vapor Pressure Calculator (Antoine Equation)	Fluidized Bed Minimum Velocity Calculator
Category	Chemical Engineering	Chemical Engineering
Inputs required	5	6
Result	Vapor Pressure (mmHg)	Minimum Fluidization Velocity (m/s)
What it does	Calculate the vapor pressure of common chemicals at a given temperature using the Antoine equation and built-in constants for water, benzene, toluene, and ethanol. Essential for distillation design, safety assessments, and environmental modeling.	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.