Design of Flue Gas-Air Heat Exchanger for Regeneration of Desiccant System Shaymaa H. Abdulmalek, Hussain H. Al-Kayiem, Aklilu T. Baheta and Ali A. Gitan MATEC Web Conf., 225 (2018) 05006 Published online: 05 November 2018 DOI: 10.1051/matecconf/201822505006