Method for producing low-viscosity marine fuel oil Rafail Mendybayev, Nurlan Uteuliyev, Diana Mendybayeva, Sairanbek Akhmetov and Aigul Bukanova E3S Web Conf., 288 (2021) 01008 Published online: 14 July 2021 DOI: 10.1051/e3sconf/202128801008