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Bioleaching of chalcopyrite is always a challenge and research hotspot. The low copper extraction and dissolution kinetics restricted the industrial application of chalcopyrite… Read more
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Researchers and graduate students in the area of Minerals Processing and Extractive Metallurgy (including biohydrometallurgy). This book would also benefit researchers and graduate students in the other areas, such as environmental science and engineering (like solid waste treatment and disposal, AMD prevention), biological environment, biomass conversion, biodeterioration, biogeochemistry, biomineralization, microbiology, biochemistry, molecular biology, bioengineering and chemical engineering
1. Microorganisms used in chalcopyrite bioleaching
Overview of bioleaching microorganisms
Structure composition and functional diversity of microbial communities
Functional role of co-existing bacteria in bioleaching systems
Ecology and metabolism of sulfur- and/or iron-oxidizing Acidithiobacillus
2. Properties of chalcopyrite
Oxidation state of Cu, Fe and S element
Electronic structure
Anisotropies
Surface compositions
3. Electrochemical dissolution process of chalcopyrite
Surface species of chalcopyrite after treating by different potentials
Surface properties of chalcopyrite after treating by different potentials
Discussion of electrochemical dissolution process of chalcopyrite
The optimum range of redox potential for chalcopyrite bioleaching
4. Passivation mechanism of chalcopyrite in bioleaching
Bioleaching of chalcopyrite by sulfur-oxidizing microorganism
Bioleaching of chalcopyrite by iron-oxidizing microorganism
Bioleaching of chalcopyrite with different mineralogical properties
5. Role of gangue minerals in chalcopyrite bioleaching
Role of pyrite in chalcopyrite bioleaching
Role of bornite in chalcopyrite bioleaching
Role of sphalerite/marmatite in chalcopyrite bioleaching
Role of hematite in chalcopyrite bioleaching
6. Chalcopyrite bioleaching catalysed by silver
Bioleaching behaviour
DFT calculation on the catalytic mechanism of Ag+
Surface transformation and properties
Silver catalysed bioleaching using silver containing waste
7. Industrial bioleaching of chalcopyrite
Commercial practices examples
Key parameters/conditions
Controlling techniques
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