Hazardous minerals mining: challenges and solutions
Minerals are valuable resources gifted to man from the Mother Earth and quite often they
need to be dug out from deep down with much effort to utilize them in many of our …
need to be dug out from deep down with much effort to utilize them in many of our …
Bioleaching of copper from chalcopyrite ore at higher NaCl concentrations
The formation of hydrolyzed ferric iron (Fe (III)) as jarosite could limit the bioleaching of
copper and significantly lower the dissolution rate of low-grade chalcopyrite ore. Thus, to …
copper and significantly lower the dissolution rate of low-grade chalcopyrite ore. Thus, to …
[HTML][HTML] Dissolution of pure chalcopyrite with manganese nodules and waste water
N Toro, K Pérez, M Saldana, RI Jeldres… - Journal of Materials …, 2020 - Elsevier
Chalcopyrite is the most abundant copper ore and, consequently, the most utilised to
produce metallic copper. The main route of treatment is through pyrometallurgical …
produce metallic copper. The main route of treatment is through pyrometallurgical …
Some aspects of industrial heap bioleaching technology: From basics to practice
J Li, H Yang, L Tong, W Sand - Mineral Processing and Extractive …, 2022 - Taylor & Francis
Heap bioleaching is a microbial technology that catalyzes the decomposition of ore without
grinding. The crushed ore is stacked on the liner, and the microbial solution flows through …
grinding. The crushed ore is stacked on the liner, and the microbial solution flows through …
Biorecovery of nanogold and nanogold compounds from gold-containing ores and industrial wastes
BS Maluckov - Applied Microbiology and Biotechnology, 2021 - Springer
In nature, microorganisms developed at various places and adapted to the various weather
and geological conditions. Microorganisms participate in geological transformations leading …
and geological conditions. Microorganisms participate in geological transformations leading …
Assessment of the possibility of hydrometallurgical processing of low-grade ores in the oxidation zone of the Malmyzh Cu-Au porphyry deposit
A Sekisov, A Rasskazova - Minerals, 2021 - mdpi.com
The geochemical features of the ores present in the oxidation zone of the gold-copper
Malmyzh mineral deposit are characterized. This deposit is located in the the Nanaian …
Malmyzh mineral deposit are characterized. This deposit is located in the the Nanaian …
Leaching of Cu, Zn, and Pb from sulfidic tailings under the use of sulfuric acid and chloride solutions
TA Schueler, PF de Aguiar, YM Vera… - Journal of Sustainable …, 2021 - Springer
The imbalance between raw materials of high economic importance and their supply has
increased the search for new approaches to obtain valuable elements from mining tailings …
increased the search for new approaches to obtain valuable elements from mining tailings …
[HTML][HTML] Chalcopyrite leaching in ammonium chloride solutions under ambient conditions: Insight into the dissolution mechanism by XANES, Raman spectroscopy and …
Ammoniacal leaching solutions have been considered as an effective lixiviant for the
oxidative dissolution of chalcopyrite. However, compared with the extensive studies of acidic …
oxidative dissolution of chalcopyrite. However, compared with the extensive studies of acidic …
Specific mechanism of Acidithiobacillus caldus extracellular polymeric substances in the bioleaching of copper-bearing sulfide ore
S Feng, K Li, Z Huang, Y Tong, H Yang - PloS one, 2019 - journals.plos.org
This study aimed to reveal the specific mechanism of extracellular polymeric substances
(EPS) in the bioleaching of copper-bearing sulfide ore by moderately thermophilic bacterium …
(EPS) in the bioleaching of copper-bearing sulfide ore by moderately thermophilic bacterium …
Solvent extraction of copper from sulfate-chloride solutions using mixed and modified hydroxyoxime extractants
MC Ruiz, J Risso, J Seguel, R Padilla - Minerals Engineering, 2020 - Elsevier
The solvent extraction of copper from a sulfate-chloride solution containing seawater and/or
sodium chloride was studied using the commercial extractants LIX 984N and Acorga M5910 …
sodium chloride was studied using the commercial extractants LIX 984N and Acorga M5910 …