• Demonstrates how soil hydrology and geochemistry determine heavy metal reactivity and mobility in soils through the multi-reaction and transport approach
• Highlights recent developments in analytical techniques such as advanced spectroscopy and microscopy that have generated clearer interpretations of the interactions between heavy metals and soil
• Evaluates the critical aspects of biogeochemistry and soil hydrology and their influence on the fate and transport of heavy metals in soils
• Introduces a Web-based 3-D simulation system for heavy metals transport in soil
• Quantifies and describes desorption/release processes and dissolution reactions

Geochemical and Hydrological Reactivity of Heavy Metals in Soils discusses new techniques used to analyze the diverse array of surface reactions governed by physical, chemical, and biological processes.

The book covers the reaction mechanisms of the component molecules, the linkages between these molecules, and the juxtaposition and spacing of reactive surface functional groups. It highlights analytical techniques for characterizing mobile soil colloids, provides the latest results on important biologically mediated pathways, and reveals how modeling perspectives from molecular to macroscopic levels are all used to gain new insights into metal contaminant processes in the environment.

With contributions from a hand-picked panel and the editorial guidance of undisputed experts, the book focuses on the complexity of chemical processes in "real" systems and provides the tools used to understand them. One of the few books that comprehensively illustrates the cause-and-effect relationship of these chemical processes, Geochemical and Hydrological Reactivity of Heavy Metals in Soils is a practical guide for soil and groundwater scientists, ecologists, and government regulators.

Contents

1. Hydrological and Geochemical Processes Controlling the Fate and Transport of Contaminants in Fractured Bedrock
2. Mineral Controls in Colloid-Mediated Transport of Metals in Soil Environments
3. A Web-Based Three-Dimensional Simulation System for Solute Transport in Soil
4. Effect of Structural Charges on Proton Adsorption at Clay Surfaces
5. Molecular Modeling of Fulvic and Humic Acids: Charging Effects and Interactions with Al3+, Benzene, and Pyridine
6. Silicon-Organic Interactions in the Environment and in Organisms
7. Formation of Buigenic Manganese Oxides and Their Influence on the Scavenging of Toxic Trace Elements
8. Zinc Speciation in Contaminated Soils Combining Direct and Indirect Characterization Methods
9. Reduction/Cation Exchange Model of the Coincident Release of Manganese and Trace Metals following Soil Reduction
10. Behavior of Heavy Metals in Soil: Effect of Dissolved Organic Matter
11. Analytical Techniques for Characterizing Complex Mineral Assemblages: Mobile Soil and Groundwater Colloids
12. Kinetic Modeling of Sulfate Transport in a Forest Soil
13. Solubility of Fluoride in Semi-Arid Environments

Index

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