文摘
英文文摘
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Chapter 1 Introductions
1.1 Acid mine drainage (AMD)
1.1.1 Occurrence of AMD
1.1.2 Microbial diversity of AMD
1.1.3 Current tools of the microbial composition in acid mine drainage
1.1.4 Outlook of AMD
1.2 Desulphurization of organic sulfur of coal
1.2.1 Development of degrading of organic sulfur
1.2.2 The occurrence of organic sulfur in coal
1.2.3 The desulphurization research of model compound DBT
1.2.4 Enzymology and molecular biochemistry study on biodesulphurization
1.2.5 The factors affecting the biodesulphurization
1.3 The significance and research content of this study
1.3.1 The aim and significance of this study
1.3.2 The content of this study
Chapter 2 Diversity of microbial community in Acid Mine Drainage from Shen-bu Copper Mine, Gansu province, China
2.1 Method and materials
2.1.1 Sample collection and physicochemical analyses
2.1.2 ARDRA method
2.1.3 Genomic DNA preparations
2.1.4 16S rDNA amplification and cloning
2.1.5 Amplified Ribosomal DNA Restriction Analysis (ARDRA)
2.1.6 16S rDNA Sequencing and phylogenetic analysis
2.1.7 Statistical method
2.2 Results
2.2.1 Physical-chemical properties of three AMD samples
2.2.2 Amplified ribosomal DNA restriction analysis (ARDRA)
2.2.3 Statistical analysis
2.2.4 Sequence data and phylogenetic analysis of 16S rDNA sequences for bacteria
2.2.5 Sequence data and phylogenetic analysis of 16S rDNA sequences for Archaea
2.3 Discussion
2.3.1 Bacteria
2.3.2 Archaea
Chapter 3 The succession of AMD niche by Fe3+ stress in different concentration
3.1 Method and materials
3.1.1 Sample collection
3.1.2 Culture condition
3.1.3 Growth rate and ferrous iron oxidation
3.1.4 ARDRA method and Statistical method
3.2 Results
3.2.1 The growth of cells at different concentration of Fe3+
3.2.2 ARDRA pattern and phylogenetic analyses
3.3 Discussion
Chapter 4 The application of microorganism in biodesulphurization
4.1 Method and materials
4.1.1 Bacteria source and culture media
4.1.2 Enrichment culture and strain purification
4.1.3 Analytical methods
4.1.4 Strain characterization
4.1.5 Studies on growth conditions
4.2 Results and discussion
4.2.1 Isolation and characterization
4.2.2 Studies on growth conditions of strain ZYX
4.3 An overview of strain ZYX
Chapter 5 Conclusions
Reference
Acknowledgements
Main achievements