We have Classified the absorption object follow as
1.Activated Carbon : From The Coconut Shell the Dimension is 4 * 6 Mesh to 4 * 20 Mesh
2.Silica Gel : Made from the Sodium Silicate Good for absorption the Vapor & Humidity.
3.Activated Alumina : Good for absorption the Emission Gas.
4.Zeolite : The Property is fine hole in uniform shape. Always for absorption the Paraffin process.
This Picture to show Mechanism of The Activated Carbon’s Absorption