| Issue |
E3S Web of Conf.
Volume 525, 2024
IV International Conference on Geotechnology, Mining and Rational Use of Natural Resources (GEOTECH-2024)
|
|
|---|---|---|
| Article Number | 04003 | |
| Number of page(s) | 4 | |
| Section | Environmental Risk Assessment of Metallurgical Processes, Green Technologies and Sustainable Development | |
| DOI | https://doi.org/10.1051/e3sconf/202452504003 | |
| Published online | 20 May 2024 | |
Possibilities for improving the technology of roasting zinc concentrates
Tashkent State Technical University, Metallurgy Department, Tashkent, Uzbekistan
* Corresponding author: jonibekismailov1001@gmail.com
The paper presents an investigation into the oxidation process of zinc sulfide concentrate. A common challenge encountered during the fluidized calcination process is the high concentration of sulfide sulfur in the condensed products, such as the mixture collected at the furnace threshold and in the dust. This scientific work reports the results of laboratory studies aimed at improving the technology of roasting zinc concentrates. The study's objective was to obtain zinc cinders with increased solubility in aqueous solutions by roasting sulfide zinc concentrates. The results show that the optimal composition of the charge for roasting was determined using limestone and wastewater from the processing plant, which contains alkaline earth metal oxides. This composition helped reduce the formation of ferrites and silicates by 1.5-1.7 times.
© The Authors, published by EDP Sciences, 2024
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