Comparative study of purifications technologies and their application to HVAC systemsDavide Truffo, Josè Miguel Peña Suarèz, Juan Bandera Cantalejo, Marìa Del Carmen Gonzalez Muriano, Francisco Garcias Vacas and Francisco Fernandez HernàndezE3S Web Conf., 343 (2022) 03005DOI: https://doi.org/10.1051/e3sconf/202234303005