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Published in 2017 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2016.07.006
Abstract: Abstract The efficiency of chalcopyrite bioleaching in the presence of a high sulfate background was evaluated using acidophilic microorganisms that were previously enriched from naturally salty and acidic environments and subsequently adapted to increasing sulfate…
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Keywords:
extraction;
sulfate;
sulfate concentrations;
dna ... See more keywords
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Published in 2017 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2017.01.006
Abstract: Abstract In this work, two types of abandoned silver-bearing solid wastes of zinc leaching residue (ZLR) and firebrick were used as silver catalysis in chalcopyrite bioleaching by mixed moderately thermophilic culture. Bioleaching results showed that…
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Keywords:
solid wastes;
bearing solid;
chalcopyrite bioleaching;
silver bearing ... See more keywords
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Published in 2019 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2019.04.023
Abstract: Abstract The catalysing effect of Ag+ or Ag nanoparticle (AgNp) on chalcopyrite (bio)leaching at 30 °C was studied in this paper, and the change of Ag speciation was investigated by Ag K-edge X-ray Absorption Near-edge Spectroscopy…
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Keywords:
chalcopyrite bioleaching;
silver;
chemical leaching;
changed ag2s ... See more keywords
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Published in 2019 at "Transactions of Nonferrous Metals Society of China"
DOI: 10.1016/s1003-6326(19)65036-3
Abstract: Abstract The catalysis of four carbon materials including artificial graphite (AG), carbon black (CB), activated carbon (AC) and carbon nanotube (CN) on chalcopyrite bioleaching by mixed moderate thermophiles was comparatively investigated. In AC and AG…
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Keywords:
mixed moderate;
comparative study;
chalcopyrite bioleaching;
carbon materials ... See more keywords