2019
DOI: 10.17580/or.2019.02.06
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Ammonia autoclave technology for the processing of low-grade concentrates generated in flotation concentration of cupriferous sandstones

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Cited by 4 publications
(3 citation statements)
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“…Such laboratory tests consume much labor and need special and expensive equipment. Despite the labor intensity, these tests yet remain irreplaceable in modeling, design and upgrade of concentration factories for ferrous metal ore [20,21], nonferrous metals [22][23][24][25][26][27], noble metals [28,29] and nonmetallic minerals [30,31].…”
Section: Introductionmentioning
confidence: 99%
“…Such laboratory tests consume much labor and need special and expensive equipment. Despite the labor intensity, these tests yet remain irreplaceable in modeling, design and upgrade of concentration factories for ferrous metal ore [20,21], nonferrous metals [22][23][24][25][26][27], noble metals [28,29] and nonmetallic minerals [30,31].…”
Section: Introductionmentioning
confidence: 99%
“…Few studies, however, have focused on the kinetics of simultaneous copper and silver recovery by ammonia leaching from low-grade concentrates or ores under pressure [22,24,37]. Therefore, the aim of this work is to investigate the kinetics and mechanisms of the ammonia pressure leaching of low-grade sulfide raw materials containing copper and silver, in order to study the effects of Si-containing minerals on the kinetics of Cu and Ag leaching.…”
Section: Introductionmentioning
confidence: 99%
“…Despite the prevalence of pyrometallurgical processes, the global copper production by implementing hydrometallurgical approach increases (Fedoseev et al, 2018;Boduen et al, 2019). Amongst current technologies, an alkaline sulphide hydrometallurgical process has been demonstrated successful results in selective dissolution of arsenic and antimony from a copper concentrate containing enargite and tennantite (Prada et al, 2014;Tongamp et al, 2009;Baláž et al, 2006).…”
Section: Introductionmentioning
confidence: 99%