Possibilities for improving the technology of roasting zinc concentratesJonibek Ismailov, Bahriddin Berdiyarov, Sardor Nosirkhujayev, Kakhramon Ochildiyev and Oybek NuraliyevE3S Web of Conf., 525 (2024) 04003DOI: https://doi.org/10.1051/e3sconf/202452504003