Research of the Application of Roasting in the Processing of the Foamy Product of the Process of Bacterial Oxidation of Flotation Concentrate in a Separate CycleRustam Khamidov, Zhakhongir Narzullayev and Evgeniy KuznetsovE3S Web Conf., 278 (2021) 01018DOI: https://doi.org/10.1051/e3sconf/202127801018