Compare calculators

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

CSTR Reactor Design Calculator

Calculates the residence time and required reactor volume for a Continuous Stirred Tank Reactor (CSTR) given reaction order, flow rate, and conversion. Essential for chemical reactor design and scale-up.

Volumetric Flow Rate (m³/h)

Desired Conversion (%)

Rate Constant (k) (h⁻¹)

Reaction Order

Initial Concentration (mol/L)

Fill in the required fields to see your result.

Chemical Engineering

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.

Key differences

	CSTR Reactor Design Calculator	Adsorption Isotherm Calculator
Category	Chemical Engineering	Chemical Engineering
Inputs required	5	5
Result	Required Reactor Volume (m³)	Adsorption Capacity (mg/g)
What it does	Calculates the residence time and required reactor volume for a Continuous Stirred Tank Reactor (CSTR) given reaction order, flow rate, and conversion. Essential for chemical reactor design and scale-up.	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.