Results 11 to 20 of about 17,376 (215)
Bioleaching of chalcopyrite [PDF]
, 2003 This research is concerned with the bioleaching of chalcopyrite (CuFeS\(_2\)) by Thiobacillus ferrooxidans (ATCC 19859), which has been carried out in shake flasks (250 ml) and a 4-litre stirred tank bioreactor.
Jonglertjunya, Woranart
core +7 more sources
Genesis type of ore deposits indicated by trace elements of chalcopyrite
地质科技通报, 2023 Trace elements of metallic minerals are important to constrain the formation processes and genetic types of ore deposits. Trace elements have been mainly focused on pyrite, magnetite, and sphalerite but have rarely been applied to chalcopyrite. To reveal
Qilin Wang +5 more
doaj +1 more source
Research Status of the Effect of Typical Impurity Minerals and Ions on Chalcopyrite Leaching
Kuangchan zonghe liyong, 2022 Chalcopyrite is often associated with some impurity minerals such as pyrite, quartz, carbonateand silicate minerals, and the presence of these minerals will affect the leaching of chalcopyrite.
Hongguang Leng +3 more
doaj +1 more source
MINERALOGICAL AND GEOCHEMICAL FEATURES OF SULFIDE CHIMNEYS OF THE YUBILEYNOE MASSIVE SULFIDE DEPOSIT (SOUTH URALS) [PDF]
Минералогия, 2019 Three mineral types of hydrothermal chimneys (pyrite-chalcopyrite, pyrite-sphalerite-chalcopyrite and chalcopyrite-pyrite-sphalerite) form a continuous mineralogical range in ores from the Yubileynoe deposit.
A.S. Tseluyko +5 more
doaj +1 more source
Microwave improving copper extraction from chalcopyrite through modifying the surface structure
Journal of Materials Research and Technology, 2020 Microwave-assisted leaching as a green and efficient method for leaching chalcopyrite has attracted increasing attention. Researchers have actively explored the reasons why microwaves have a positive impact on copper extraction.
Tong Wen +6 more
doaj +1 more source
Metals, 2020 Porphyry Cu-Mo deposits, which are the most important sources of copper and molybdenum, are typically processed by flotation. In order to separate Cu and Mo minerals (mostly chalcopyrite and molybdenite), the strategy of depressing chalcopyrite while ...
Ilhwan Park +4 more
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Kinetics of nitric acid leaching of bornite and chalcopyrite
Chimica Techno Acta, 2023 The paper presents a study of the process of nitric acid dissolution of the natural minerals chalcopyrite and bornite. The influence of various parameters, including temperature, nitric acid concentration and particle sizes, on this process was examined.
Yuri Shklyaev +4 more
doaj +1 more source
Chalcopyrite Dissolution at 650 mV and 750 mV in the Presence of Pyrite
Metals, 2015 The dissolution of chalcopyrite in association with pyrite in mine waste results in the severe environmental issue of acid and metalliferous drainage (AMD).
Yubiao Li +3 more
doaj +1 more source
International Journal of Electrochemical Science, 2017 In this work, bioleaching of chalcopyrite-pyrite and chalcopyrite-bornite mixed ores in the presence of moderately thermophilic microorganisms (A.caldus, L.ferriphilum and mixed culture) were carried out.
Yulin Huang +9 more
doaj +1 more source
Flotation separation of chalcopyrite and molybdenite by externally controlled potential method
工程科学学报, 2019 Chalcopyrite-molybdenite separation has always been a major difficulty in mineral processing. At present, chemical agents are commonly used to regulate the pulp potential.
SONG Kun +4 more
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