Investigation of the Efficiency of Wet Biodiesel Purification Viktor Polishсhuk, Svetlana Tarasenko, Ievgen Antypov, Nataliya Kozak, Andrii Zhyltsov and Andrii Bereziuk E3S Web Conf., 154 (2020) 02006 Published online: 09 March 2020 DOI: 10.1051/e3sconf/202015402006