This book discusses the practical aspects of environmental technology organized into eight chapters relating to unit operations as follows: 1. Biological Technology 2. Chemical Technology 3. Containment and Barrier Technology 4. Immobilization Technology 5. Membrane Technology 6. Physical Technology 7. Radiation and Electrical Technology 8. Thermal Destruction Technology Traditional technologies have been included, as well as those that can be considered innovative and emerging. The traditional approaches have been the most successful, as contractors are careful about bidding on some of the newer technologies. However, as regulatory requirements increase, markets will open for the innovative and emerging processes. There will be increasing pressure to break down complex waste streams, with each subsequent stream demanding separate treatment. In addition, a number of technologies have been developed by combining processes directly, or in a treatment train, and these developments are expected to assume increasing importance. However, such concerns as uncertainties due to liability, regulatory approval, price competition, and client approval have limited the application of some of these newer technologies.


Environmental engineers, researchers and scientists.

Table of Contents

1. Biological Technology 1.1 Waste Characteristics Affecting Performance (WCAPs) 1.2 Design and Operating Parameters 1.3 Aerobic Processes 1.4 Anaerobic Processes 1.5 Biological Waste Treatment 1.6 Bioremediation 1.7 Metals Removal 1.8 Biofiltration/Bioscrubbing 1.9 Bioconversion References 2. Chemical Technology 2.1 Acid and Alkaline Leaching 2.2 Chelation 2.3 Dehalogenation 2.4 Hydrolysis 2.5 Ion Exchange 2.6 Neutralization 2.7 Oxidation 2.8 Precipitation 2.9 Pyrometallurical Processes 2.10 Reduction 2.11 Scrubbing/Absorption References 3. Containment and Barrier Technology 3.1 Hazardous Waste Facilities 3.2 Municipal Waste Landfills 3.3 Containment and Barrier Systems 3.4 Structural Considerations 3.5 Natural Underground Barriers 3.6 Contaminated Dredged Material 3.7 Spill Containment References 4. Immobilization Technology 4.1 Inorganic Based Systems 4.2 Organic Encapsulation Systems 4.3 Vitrification References 5. Membrane Technology 5.1 Dialysis 5.2 Donnan Dialysis 5.3 Electrodialysis/Electrolytic Water Dissociation 5.4 Gas Separation 5.5 Liquid Membranes/Coupled and Facilitated Transport 5.6 Microfiltration 5.7 Pervaporation 5.8 Reverse Osmosis 5.9 Ultrafiltration/Nanofiltration 5.10 Formed-in-place Technology References 6. Physical


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© 1994
William Andrew
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