Compare calculators

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

Gas Absorption Column Design Calculator

Design a packed gas absorption column by calculating the number of overall gas-phase transfer units (NOG) and total column height needed to achieve a target gas-phase separation. Used in scrubber design for air pollution control and chemical processing.

Inlet Gas Concentration (Y₁) (mole fraction)

Outlet Gas Concentration (Y₂) (mole fraction)

Henry's Law Constant (atm·L/mol)

Liquid to Gas Ratio (L/G)

Height of Transfer Unit (HOG) (ft)

Fill in the required fields to see your result.

Chemical Engineering

Absorption Column Height Calculator

Determine the required packed bed height for a gas absorption column using mass transfer coefficients and equilibrium data. Used by process engineers designing scrubbers and gas treatment systems.

Gas Flow Rate (m³/h)

Inlet Gas Concentration (mol/m³)

Outlet Gas Concentration (mol/m³)

Henry's Law Constant

Overall Mass Transfer Coefficient (m/s)

Column Diameter (m)

Fill in the required fields to see your result.

Key differences

	Gas Absorption Column Design Calculator	Absorption Column Height Calculator
Category	Chemical Engineering	Chemical Engineering
Inputs required	5	6
Result	Required Column Height (ft)	Required Packed Height (m)
What it does	Design a packed gas absorption column by calculating the number of overall gas-phase transfer units (NOG) and total column height needed to achieve a target gas-phase separation. Used in scrubber design for air pollution control and chemical processing.	Determine the required packed bed height for a gas absorption column using mass transfer coefficients and equilibrium data. Used by process engineers designing scrubbers and gas treatment systems.