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The Need for Process Innovation Kapitel lesen Erstes Kapitel lesen

2016 | OriginalPaper | Buchkapitel

20. Innovations in Gold and Silver Processing

verfasst von : B. K. Gorain, Peter D. Kondos, V. I. Lakshmanan

Erschienen in: Innovative Process Development in Metallurgical Industry

Verlag: Springer International Publishing

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Abstract

There are several challenges confronting the gold mining industry. One of the key challenges is the trend of increasing complexity of gold deposits with decreasing gold grades and gold-to-sulfur ratios along with higher proportions of carbonaceous matter, arsenic, copper-bearing minerals, and deleterious elements such as mercury. Many of these deposits are economically marginal as the capital and operating cost requirements are relatively high and the metal recoveries are suboptimal in addition to the need to address various environmental issues associated with these deposits. A holistic approach to innovation in mining and processing, that challenges the existing mining paradigm, is becoming more important.
This chapter reviews some of the major innovations and developments in different areas of gold and silver processing that have made a major impact in the gold industry. The areas of focus for this chapter are ore body knowledge (gold mineralogy), comminution, pre-concentration and ore beneficiation, cyanidation, oxidative pretreatment, heap leaching and alternative leaching technologies. Commercial application of Barrick’s new thiosulfate technology will be briefly discussed. In addition, innovations and technology developments that have the potential to shape the future of gold and silver processing are also presented.

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Vorheriges Kapitel Innovative Processes in Electrometallurgy
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Metadaten
Titel
Innovations in Gold and Silver Processing
verfasst von
B. K. Gorain
Peter D. Kondos
V. I. Lakshmanan
Copyright-Jahr
2016
Buch
Innovative Process Development in Metallurgical Industry

Print ISBN: 978-3-319-21598-3

Electronic ISBN: 978-3-319-21599-0

Copyright-Jahr: 2016

DOI
https://doi.org/10.1007/978-3-319-21599-0_20

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