Presenting research results of water purification, this work covers the characterization and environmental impact of aquatic humic substances, their reactions in natural water and sediments, and influences on water treatment. The topics include hazardous waste chemicals, water solubility enhancement, sorption, metal speciation, and photochemistry.

Here is a cohesive compilation of recent research results into the many aspects of water purification. Major sections cover the characterization and environmental impact of aquatic humic substances, their reactions in natural water and sediments, and their influences on water treatment. Topics examined include hazardous waste chemicals, water solubility enhancement, sorption, metal speciation, and photochemistry. Specific types of treatment processes are also described.

Introduction: Aquatic Humic Substances and Their Influence on the Fate and Treatment of Pollutants
Chemical Degradation of Humic Substances for Structural Characterization
Implications of Mixture Characteristics on Humic-Substance Chemistry
Characterization of a Stream Sediment Humin
The Nature of Commercial Humic Acids
Analysis of Humic Substances Using Flow Field-Flow Fractionation
Interactions of Hazardous-Waste Chemicals with Humic Substances
The Effect of Humic Substances on the Treatment of Drinking Water
Separation of Humic Substances and Anionic Surfactants from Ground Water by Selective Adsorption
Binding of Nonpolar Pollutants to Dissolved Organic Carbon: Environmental Fate Modeling
Water-Solubility Enhancement of Nonionic Organic Contaminants
Sorption of Chlorinated Hydrocarbons in the Water Column by Dissolved and Particulate Organic Material
Charge-Transfer Interaction Between Dissolved Humic Materials and Chloranil
Sorption of Organochlorines by Lake Sediment Porewater Colloids
Sorption of Benzidine, Toluidine, and Azobenzene on Colloidal Organic Matter
Effect of Dissolved Organic Matter on Extractiiencies: Organochlorine Compounds from Niagara River Water
The Effects of Humic Acid on the Adsorption of Tetrachlorobiphenyl by Kaolinite
Methods for Dissolving Hydrophobic Compounds in Water: Interactions with Dissolved Organic Matter
Bioavailability and Toxicity of Metals and Hydrophobic Organic Contaminants
Effects of Humic Substances on Metal Speciation
Geochemistry of Dissolved Chromium-Organic Substance Complexes in Narragansett Bay Interstitial Waters
Influences of Natural Organic Matter on Abiotic Hydrolysis of Organic Contaminants in Aqueous Systems: A Critical Review
Sunlight-Induced Photochemistry of Humic Substances in Natural Waters: Major Reactive Species
Aquatic Humic Substances as Sources and Sinks of Photochemically Produced Transient Reactants
Coagulation Process for Removal of Humic Substances from Drinking Water
Reactions Between Fulvic Acid and Aluminum: Effects on the Coagulation Process
Aluminum and Iron(III) Chemistry: Some Implications for Organic Substance Removal
The Effects of Humic Substances on Particle Formation, Growth, and Removal During Coagulation Using Aluminum Sulfate
Evaluation of Extent of Humic-Substance Removal by Coagulation
Characteristics of Humic Substances and Their Removal Behavior in Water Treatment
Effects of Humic Background on Granular Activated Carbon Treatment Efficiency
Frontal Chromatographic Concepts to Study Competetive Adsorption between Humic Substances and Halogenated Organic Substances in Drinking Water
Adsorption of Micropollutants on Activated Carbon
Activated-Carbon Adsorption of Organic Pollutants
Removal of Humic Material by Conventional Treatment and Carbon
The Fate and Removal of Radioactive Iodine in the Aquatic Environment
Catalytic-Competition Effects of Humic Substances on Photolytic Ozonation of Organic Compounds
The Effect of Ozonation and Chlorination on Humic Substances in Water
Chlorinated Humic Acid Mixtures Establish Criteria for Detection of Disinfection Byproducts in Drinking Water
Removal of Aquatic Humus by Ozonation and Activated-Carbon Adsorption
Effects of Humic Substances on Membrane Processes
Removal of Humic Substances by Membrane Processes
Dissolved Organic Components in Process Water at the Los Bancos Desalting Facility
Mechanistic Interactions of Aquatic Organic Substances with Anion-Exchange Resins
Removal of Humic Substances by Ion Exchange