Gas Absorption & Stripping in Chemical Engineering


Gas Absorption & Stripping in Chemical Engineering Download

Model Separation Processes involving Absorption such as Packed Towers and Tray Columns

What you’ll learn
  • Understand the principle behind gas Absorption and Stripping
  • Design & Operate Packed Towers
  • Design & Operate Tray Columns
  • Calculate the required values for a given Separation Process using Absorption/Stripping
  • Solve analytically via Kremser Brown Souders Equation
  • Understand the concept of “operation line” and “equilibrium line”
  • Calculate the total required stages via Graphical Method
  • Learn about Absorption Column Equipment (Trays, Packings, Column Internals)
  • Calculate & Understand the minimum L/G ratio
  • The HETP method for Packings
  • The MTU, Method of Transfer Units for Packed Towers
  • Model Co-Current and Counter-Current Operations
  • Solve relevant problems involving Gas Absorption and Stripping
  • Mass Transfer Basics
  • Transport Phenomena (Recommended)
  • Thermodynamics
  • Mass and Energy Balances
  • Physical Chemistry


Gas Absorption is one of the very first Mass Transfer Unit Operations studied in early process engineering. It is very important in several Separation Processes, as it is used extensively in the Chemical industry.

Understanding the concept behind Gas-Gas and Gas-Liquid mass transfer interaction will allow you to understand and model Absorbers, Strippers, Scrubbers, Washers, Bubblers, etc…

We will cover:

  • REVIEW: Of Mass Transfer Basics required
  • GAS-LIQUID interaction in the molecular level, the two-film theory
  • Application of Absorption in the Industry
  • Counter-current & Co-current Operation
  • Several equipment to carry Gas-Liquid Operations
  • Bubble, Spray, Packed and Tray Column equipments
  • Solvent Selection
  • Design & Operation of Packed Towers
  • Pressure drop due to packings
  • Design & Operation of Tray Columns
  • Single Component Absorption
  • Single Component Stripping/Desorption
  • Diluted and Concentrated Absorption
  • Basics: Multicomponent Absorption
  • Software Simulation for Absorption/Stripping Operations (ASPEN PLUS/HYSYS)

Solved-Problem Approach:

All theory is backed with exercises, solved problems, and proposed problems for homework/individual study.

At the end of the course:

You will be able to understand mass transfer mechanism and processes behind Absorption and Stripping. You will be able to continue with a Distillation Theory and more Mass Transfer Unit Operation Course and/or Separation Processes Course.

About your instructor:

I majored in Chemical Engineering with a minor in Industrial Engineering back in 2012.

I worked as a Process Design/Operation Engineer in INEOS Koln, mostly on the petrochemical area relating to naphtha treating. There I designed and modeled several processes relating separation of isopentane/pentane mixtures, catalytic reactors and separation processes such as distillation columns, flash separation devices and transportation of tank-trucks of product.

Who this course is for:
  • Chemical Engineers refreshing their Mass Transfer and Separation Processes course
  • Students on the relevant fields (chemical, mechanical, process engineering)
  • Teachers / Professors requiring extra knowledge on Mass Transfer
  • Engineers working with Absorbers / Strippers or Scrubbers / Washing Gases
  • Stack Gas Engineers
Gas Absorption & Stripping in Chemical Engineering Download
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