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2023 | OriginalPaper | Buchkapitel

Technology of Gold Extraction from Clay Ore and Technogenic Raw Materials

verfasst von : Sergey Bordunov, Yuriy Fedorchuk, Olga Galtseva, Gufana Narimanova

Erschienen in: Emerging Trends in Materials Research and Manufacturing Processes

Verlag: Springer Nature Switzerland

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Abstract

Currently technogenic gold-bearing raw materials (tailings and dumps of existing or closed mines) are considered by many experts as a promising raw material for the extraction of residual gold. Technogenic raw materials, as a rule, are crushed, have fairly clear boundaries and are located near energy sources, roads and settlements, which minimize capital costs for its processing. A negative factor that hinders the recycling of technogenic raw materials is the presence of substances harmful to human health in this raw material: floating and leaching reagents, mercury, etc. If the content of clay and sludge fractions in the raw material is 20 –30%, there is a structural bonding of particles and sorption of finely dispersed gold on clays, which makes it difficult to extract. The extraction of finely dispersed gold from hard-to-wash clay rocks and technogenic raw materials is an important task.

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Titel: Technology of Gold Extraction from Clay Ore and Technogenic Raw Materials
verfasst von: Sergey Bordunov
Yuriy Fedorchuk
Olga Galtseva
Gufana Narimanova
Verlag: Springer Nature Switzerland
Buch: Emerging Trends in Materials Research and Manufacturing Processes
Print ISBN: 978-3-031-38963-4

Electronic ISBN: 978-3-031-38964-1

Copyright-Jahr: 2023
DOI: https://doi.org/10.1007/978-3-031-38964-1_4

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