The purpose of this book is to help engineers and scientists better understand dense nonaqueous phase liquid (DNAPL) contamination of groundwater and the methods and technology used for characterization and remediation. Remediation of DNAPL source zones is very difficult and controversial and must be based on state-of-the-art knowledge of the behavior (transport and fate) of nonaqueous phase liquids in the subsurface and site specific geology, chemistry and hydrology. This volume is focused on the characterization and remediation of nonaqueous phase chlorinated solvents and it is hoped that mid-level engineers and scientists will find this book helpful in understanding the current state-of-practice of DNAPL source zone management and remediation.
Table des matières
Preface.- State of the Practice.- The Source Zone Remediation Challenge.- DNAPL Source Zone Characterization and Delineation for Remediation.- Advanced Diagnostics.- Modeling Source Zone Remediation.- Modeling Plume Responses to Source Treatment.- Flux-Based Site Assessment and Management.- Hydraulic Displacement.- In Situ Chemical Oxidation.- In Situ Chemical Reduction.- Surfactant and Cosolvent Flushing.- In Situ Bioremediation of Sources.- Natural Attenuation of Sources.- In Situ Thermal Treatment of Sources.- Combining Remedies.- Cost Considerations for Source Treatment Technologies.- Alternative Management Strategies.- Research and Development Needs.- Index.
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