AIR DEHUMIDIFIER A Review Biren J.Saradava1, Dhairya J. Solanki2 1Faculty of Atmiya Institute of technology and Science, Rajkot, Gujarat, India, *E mail: biren8240@gmail.com 2Student of Mechanical Dept. Of Atmiya Institute of technology and Science, Rajkot, Gujarat, India, *E mail: dheryasolankii@gmail.com Abstract An Air Dehumidifier can be designed and modeled working on simple principle of dehumidification of compressed air by means of collision with the number of cylinders arranged in series