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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)

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Chemical Engineering

Gas Compressibility Factor Calculator

Calculate the real-gas compressibility factor Z from reduced temperature and pressure using the Pitzer correlation. Used in gas processing, pipeline hydraulics, and equation-of-state calculations.

Gas Temperature (K)

Gas Pressure (bar)

Critical Temperature (K)

Critical Pressure (bar)

Gas Type

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Key differences

	Gas Absorption Column Design Calculator	Gas Compressibility Factor Calculator
Category	Chemical Engineering	Chemical Engineering
Inputs required	5	5
Result	Required Column Height (ft)	Compressibility Factor (Z)
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.	Calculate the real-gas compressibility factor Z from reduced temperature and pressure using the Pitzer correlation. Used in gas processing, pipeline hydraulics, and equation-of-state calculations.