01.02.2022 y. at 14:00 Mirzanova Zulfizar Anvarzhonovna was defended on the topic: «Development of technology for the extraction of non-ferrous and rare metals from converter dusts of a copper smelter», in the specialty: 05.02.01 – "Materials science in mechanical engineering. Foundry. Heat treatment and metal pressure treatment. Metallurgy of ferrous, non-ferrous and rare metals" for the degree of Doctor of Philosophy in technical sciences (РhD).