Question: in one paragraph explain how the mea co2 stackgas separation...

In one paragraph, explain how the MEA CO₂ stack-gas separation process works. Be sure to point out why two columns are needed. Why is the first column called the absorber column and the second column (from left to right) is called the stripper column? What is the purpose of heat exchanger at the entrance to the stripper column? What is the purpose of the condenser on the second absorber column?