| Issue |
E3S Web Conf.
Volume 376, 2023
International Scientific and Practical Conference “Environmental Risks and Safety in Mechanical Engineering” (ERSME-2023)
|
|
|---|---|---|
| Article Number | 03034 | |
| Number of page(s) | 7 | |
| Section | III Civil and Environmental Engineering | |
| DOI | https://doi.org/10.1051/e3sconf/202337603034 | |
| Published online | 31 March 2023 | |
Coastal-marine and legacy placers of the southern Primorye (Russia): ecology and commercial exploitation
1 Far East Geological Institute, Far Eastern Branch of the RAS, 690022 Vladivostok, Russia
2 Institute of Chemistry Far Eastern Branch of the RAS, 690022 Vladivostok, Russia
* Corresponding author: vpmol@mail.ru
The article is devoted to the development of technology for reenrichment of waste from the exploitation of old gold-bearing placers that pose a significant threat to the environment. Technogenic and coastalmarine placers of the south of Primorye (Far East, Russia) were chosen as the object of research. At the same time, methods of powder metallurgy, as well as leaching of precious metals and metallic mercury with thiocarbamide-thiocinate solutions with their simultaneous demercurization were used. The application of this scheme for the extraction of useful and toxic components from placer material will allow to involve in industrial circulation numerous man-made and beach placers of the south of the Russian Far East in compliance with resource-saving principles and environmental aspects.
© The Authors, published by EDP Sciences, 2023
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