Geoenvironmental Engineering: Contaminated Soils, Pollutant Fate, and Mitigation

About this book

Why do some contaminants remain in soils indefinitely? How much of a threat do they pose to human health or the environment? The need for effective and economic site decontamination arises daily. This book discusses why soils remain contaminated, focusing on the development of the factors, properties, characteristics, and parameters of soils and individual contaminants.

Subjects covered include the basic properties of soils affecting accumulation of contaminants, long-term retention of contaminants and their fate, including the development of intermediate products.

The author emphasizes the factors, interactions, and mechanisms important in the bonding and partitioning process. He provides the groundwork for determining the fate of pollutants in soils and sediments and their mitigation. The book focuses on why soils and sediments remain contaminated, not how they became contaminated in the first place. You will understand why specific contaminants remain in soils and sediments, how much of a threat they pose to human health and the environment, and what steps to take for mitigation. With this information you can determine the extent of the contamination of soils and sediments, how long they will remain a threat, and what methods to use for their remediation.

Contents

Contaminated LandGround ContaminationThe Land EnvironmentLand Environment Sensitivity and ToleranceLand Suitability and UseWastes and Waste StreamsNature of SoilsSoil Materials in the Land EnvironmentSoil MaterialsSoil FractionsSoil StructurePhysical PropertiesSoil-Water SystemsSurface RelationshipsSurfaces and Soil FractionsSurface Charges and Electrified InterfaceDiffuse Double-Layer (DDL) ModelsInteractions and Soil StructureSoil-Water CharacteristicsInteractions and Partitioning of PollutantsPollutants, Contaminants, and FatePollutants of Major ConcernControls and Reactions in PorewaterPartitioning and Sorption MechanismspH Environment, Solubility, and PrecipitationNatural Soil Organics and Organic ChemicalsSoil Surface Sorption Properties - CEC, SSAPollutant Sorption Capacity CharacterizationInteractions and Pollutant Transport PredictionsPartitioning and Fate of Heavy MetalsEnvironmental Controls on HM Mobility and AvailabilityPartitioning of HM PollutantsDistribution of Partitioned HMsSoil Composition, Structure, and HM PartitioningPersistence and Fate of Organic Chemical PollutantsAdsorption and Bonding MechanismsPartitioning of Organic Chemical PollutantsInteractions and FateInteractions and Pollutant RemovalBasic Decontamination ConsiderationsDetermination of Pollutant ReleaseElectronics and ElectrokineticsBiochemical Reactions and PollutantsAssessment, Screening, and TreatabilityRemediation and Pollution MitigationPollutants and Site ContaminationBasic Soil Decontamination ConsiderationsPhysio-Chemical TechniquesChemical TechniquesBiological TechniquesMultiple Treatments and Treatment TrainsIndex

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