Environmental applications of geochemical modeling / Chen Zhu, Greg Anderson

Includes bibliographical references (pages 261-279) and index

Environmental Problems and the Need for Geochemical Modeling -- High-Level Radioactive Waste Disposal -- Mining Related Environmental Issues -- Landfills -- Deep Well Injection of Hazardous Wastes -- Artificial Recharge to Aquifers -- The Regulatory Framework -- CERCLA or Superfund -- RCRA -- NEPA -- Clean Water Act -- Safe Drinking Water Act -- The Role of Geochemical Modeling -- Contamination Issues -- Water Resource Issues -- Current Practice -- Model Usage -- The State of the Art -- Model Concepts -- Model Definitions -- A Holistic View of Geochemical Models -- Types of Geochemical Models -- Speciation-solubility Models -- Reaction Path Models -- Inverse Mass Balance Models -- Coupled Mass Transport Models -- Model Verification and Validation -- Model Usefulness and Limitations -- Thermodynamic Background -- Systems and Equilibrium -- Real and Model Systems -- Equilibrium -- The Role of Kinetics -- Chemical Reactions -- Gibbs Energy -- Enthalpy and Entropy -- Activity, Fugacity, and Chemical Potential -- Activity and Fugacity -- Activity Coefficients -- Chemical Potential -- The Equilibrium Constant -- Direct and Indirect Determination of K values -- Solubility Product and Saturation Index -- Dependence of K on Temperature -- Components and Species -- Components and the Basis -- Species -- An Alternative Basis -- The Phase Rule -- The Extensive Phase Rule -- Redox -- Oxygen Fugacity, log f[subscript O subscript 2] -- Redox Potential, Eh -- Electron Potential, pe -- Alkalinity -- The Carbonate Component