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

Adsorption Isotherm Calculator

Compute equilibrium adsorption capacity using Langmuir or Freundlich isotherm models. Used by environmental and chemical engineers to design activated carbon beds, ion-exchange columns, and water treatment systems.

Equilibrium Concentration (mg/L)

Maximum Adsorption Capacity (mg/g)

Langmuir Constant (L/mg)

Freundlich K Constant

Isotherm Model

Fill in the required fields to see your result.

Chemical Engineering

LMTD Heat Exchanger Calculator

Compute the log mean temperature difference (LMTD) — the effective driving force for heat transfer in a heat exchanger, given the four end-of-fluid temperatures. The standard input to the design equation Q = U·A·LMTD for sizing or rating exchangers.

Hot Fluid Inlet Temperature (°C)

Hot Fluid Outlet Temperature (°C)

Cold Fluid Inlet Temperature (°C)

Cold Fluid Outlet Temperature (°C)

Fill in the required fields to see your result.

Key differences

	Adsorption Isotherm Calculator	LMTD Heat Exchanger Calculator
Category	Chemical Engineering	Chemical Engineering
Inputs required	5	4
Result	Adsorption Capacity (mg/g)	LMTD (°C)
What it does	Compute equilibrium adsorption capacity using Langmuir or Freundlich isotherm models. Used by environmental and chemical engineers to design activated carbon beds, ion-exchange columns, and water treatment systems.	Compute the log mean temperature difference (LMTD) — the effective driving force for heat transfer in a heat exchanger, given the four end-of-fluid temperatures. The standard input to the design equation Q = U·A·LMTD for sizing or rating exchangers.