| Description |
1 online resource (248 pages) |
| Contents |
Front Cover -- BIOHYDROMETALLURGY OF CHALCOPYRITE -- BIOHYDROMETALLURGY OF CHALCOPYRITE -- Copyright -- Contents -- Preface -- 1 -- Microorganisms used in chalcopyrite bioleaching -- 1.1 Overview of bioleaching microorganisms -- 1.2 Structure composition and functional diversity of microbial communities -- 1.2.1 Sequencing, de novo assembly, gene prediction, and functional annotation -- 1.2.2 Taxonomic assignment of metagenome datasets -- 1.2.3 Key genes coding for enzymes associated with principal metabolisms -- 1.2.3.1 Autotrophic carbon xation -- 1.2.3.2 Nitrogen metabolism |
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1.2.3.3 Ferrous iron oxidation -- 1.2.3.4 Sulfur metabolism -- 1.2.4 Conclusions -- 1.3 Functional role of coexisting bacteria in bioleaching systems -- 1.3.1 Phylogeny of newly sequenced strains and overall genome statistics -- 1.3.2 Identification of core genes and flexible genes -- 1.3.3 Comparison of inferred metabolic profiles -- 1.3.3.1 Central carbon metabolism -- 1.3.3.2 Nitrogen uptake -- 1.3.3.3 Iron-sulfur cycling -- 1.3.4 Conclusions -- 1.4 Ecology and metabolism of sulfur- and/or iron-oxidizing Acidithiobacillus -- 1.4.1 General characteristics of all four Acidithiobacillus species |
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1.4.2 Metabolic diversity of Acidithiobacillus spp -- 1.4.2.1 Carbon metabolism -- 1.4.2.2 Nitrogen metabolism -- 1.4.2.3 Sulfur metabolism -- 1.4.3 Conclusions -- Acknowledgments -- References -- 2 -- Properties of chalcopyrite -- 2.1 Oxidation state of Cu, Fe, and S elements -- 2.2 Electronic structure -- 2.3 Reconstruction of chalcopyrite surfaces -- 2.3.1 (0 0 1) surface -- 2.3.2 (1 1 2) surface -- 2.4 Summary -- Acknowledgments -- References -- 3 -- Electrochemical dissolution process of chalcopyrite -- 3.1 Electrochemical behavior of chalcopyrite |
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3.2 Surface species of chalcopyrite after treatment by different potentials -- 3.3 Disulfide and polysulfide passivation of the chalcopyrite surface -- 3.4 Optimum range of redox potential for chalcopyrite leaching -- 3.4.1 Fe2+ accelerating dissolution of chalcopyrite -- 3.4.2 Effect of Cu2+ ions on chalcopyrite leaching -- 3.4.3 Thermodynamic calculation -- 3.4.4 Impact of electronic structure on leaching of chalcopyrite -- 3.5 Enhancing bioleaching of chalcopyrite by controlling the solution potential -- 3.6 Summary -- Acknowledgments -- References |
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4 -- Dissolution and passivation mechanism of chalcopyrite in bioleaching -- 4.1 Passivation mechanism of chalcopyrite bioleaching -- 4.1.1 Brief overview of passivating species -- 4.1.1.1 Polysulfide -- 4.1.1.2 Elemental sulfur -- 4.1.1.3 Insoluble sulfate -- 4.1.2 Bioleaching behavior -- 4.1.3 Intermediate species analysis -- 4.1.4 Discussions on the passivation mechanism -- 4.2 Effects of mineralogical properties on passivation and dissolution mechanism -- 4.2.1 Bioleaching behavior -- 4.2.2 Intermediate species analysis -- 4.2.3 Electrochemical analysis |
| Notes |
4.3 Brief overview of effects of mineralogical properties |
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Print version record |
| Subject |
Bacterial leaching.
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Chalcopyrite.
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chalcopyrite.
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Bacterial leaching
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Chalcopyrite
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| Form |
Electronic book
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| Author |
Yang, Congren
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Zhang, Xian
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Zhang, Yisheng
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Qiu, Guanzhou
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| ISBN |
9780128219027 |
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0128219025 |
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