●Chapter 1 Pollution of Acid Mine Drainage in The Mining Area
1.1 Acid Mine Drainage and Its Occurrence
1.2 Mechanism of AMD Generation
1.3 AMD Prevention and Control Techniques
1.3.1 Oxygen Barrier
1.3.2 Bactericide
1.3.3 Co-Disposal and Blending
1.3.4 Passivation
1.3.5 Passive Treatment Techniques
1.4 Main Points of Interest in This Book
1.4.1 Sulfur Cycle in AMD-Affected Watershed
1.4.2 Fe Cycling and Nano-Fe(III) secondary minerals in AMD-Affected Watershed
1.4.3 Main Points of Interest inOurWork
1.5 The Dabaoshan Mine
1.5.1 Mineral Resources of The Dabaoshan Mine
1.5.2 Solid Waste Disposal in the Mine Area
1.5.3 AMD Control and Its Treatment in Mine Area
1.5.4 AMD Pollution in the Dabaoshan Mine Area
1.5.5 General Sampling Sites Arrangement
Chapter 2 Sulfate Migration and Geochemical Behaviors in the AMD-Affected River
2.1 Physicochemical Characteristics of the Affected River Watershed
2.1.1 Acidic Watershed Environments
2.1.2 High Turbidity
2.1.3 Steep Riverbed Upstream
2.1.4 Oxidative Water Condition
2.1.5 High Salinity
2.2 Sulfur Element Distribution in the Watershed
2.2.1 Dissolved Sulfur in Water Phase
2.2.2 Sulfur Distributions in Sediments
Chapter 3 Metallic Elements’ Fate and Migration Mechanisms in the AMD-Affected River
3.1 Metallic Elements in the Watershed
3.1.1 Dissolved Metallic Elements in the Water Phase
3.1.2 Metallic Elements in Sediment Phase
3.2 Migration Mechanisms for Metallic Elements in the Affected Watershed
3.2.1 Potential Mobility
3.2.2 Oxidative Leaching and Re-Adsorption
3.2.3 Hydraulic Transportation
3.2.4 Precipitation/ Co-Precipitation
3.3 Relations of Sulfur， Iron， and Metallic Elements in the Watershed
3.3.1 Relationship Argumentation by SPSS Analysis
3.3.2 Relationship Argumentation by Mineralogy Analysis
3.3.3 Relationship Argumentation via Isotope Analysis
Chapter 4 Microbial Community Composition in AMD-Polluted Watershed and Paddy Soil
4.1 Microbial Community Shifts in Response to AMD Pollution in the Hengshi River Watershed
4.1.1 Materials and Methods
4.1.2 Physicochemical Characterization of the Watershed
4.1.3 Alpha Diversity Analyses
4.1.4 Beta Diversity Analyses
4.1.5 Spatiotemporal Dynamics of Microbial Communities
4.2 Microbial Community Responses to AMD-Laden Pollution in Rice Paddy Soils
4.2.1 Investigating the Effect of Pollution inAMD-Affected Paddy Soil
4.2.2 Microbial Community and Soil Properties
4.2.3 The Spatial Pattern of Microbial Community
Chapter 5 Chemical Transformations of Secondary Minerals in the AMD-Affected Area: Induced by Dissolved Organic Matter
5.1 Role of L-Tryptophan in the Release of Chromium from Schwertmannite
5.1.1 Experimental Setting
5.1.2 Results and Discussion
5.1.3 sible Mechanism
5.2 Fulvic Acid Induction of the Liberation of Chromium From CrO24 -Substituted Schwertmannite
5.2.1 Release of Total Fe， Cr， and SO24- from Schwertmannite
5.2.2 Cr Speciation Analysis
5.2.3 Proposed Schematic Illustrating Fate of Fe and Cr
5.3 Elucidation of Desferrioxamine B on the Liberation of Chromium from Schwertmannite
5.3.1 Dissolution Kinetics
5.3.2 Effects of DFOB and pH on the Dissolution of Cr-Schwertmannite
Chapter 6 Chemical Transformations of Secondary Minerals in AMD-Affected Area: Induced by Inorganic Substance
6.1 Effect of Cu(II) on the Stability of Oxyanion-Substituted Schwertmannite
6.1.1 Schwertmannite Synthesis
6.1.2 Stability Experiments
6.1.3 Effect of Cu(II) on the Stability of Oxyanion-Substituted Schwertmannite
6.2 Transformation of Cadmium-Associated Schwertmannite and Subsequent Element Repartitioning Behaviors
6.2.1 Cd-associated Schwertmannite Synthesis
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酸性礦山廢水（Acid Mine Drainage，AMD）污染是礦產資源開發利用過程中金屬硫化物自然風化產生的重要環境問題。AMD中所含的重金屬等污染物經污灌進入礦山周邊農田耕地，嚴重破壞礦區的生態環境，對農產品安全構成潛在的威脅。在AMD污染的流域環境中，常常也會形成的大量亞穩定的含鐵硫酸鹽次生礦物，能夠對流域內的重金屬起到吸附和共沉澱的作用，但同時也面臨著礦物轉化過程中重金屬再釋放的環境風險，影響著水體中重金屬的環境行為與歸宿。本書介紹以黃鐵礬和施氏礦物為代表的次生礦物在多種環境因子介導下的生物化學轉化過程以及重金屬釋放機制等科學問題。將有助釐清礦區重金屬的遷移規律和內在機理，從而為礦區重金屬污染防控和治理提供理論指導。本書適合從事礦區生態修復治理相關的企事業單位、科研機構、學生及對礦山生態環境有興趣的大眾人群。