ASCE 9780784409398 2008

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Natural Processes and Systems for Hazardous Waste Treatment

Published By	Publication Date	Number of Pages
ASCE	2008	289

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This report discusses the various natural processes for the attenuation and degradation of hazardous compounds and considers the application of these processes within inexpensive natural systems.

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PDF Pages	PDF Title
6	Contents
8	Chapter 1 Introduction 1.1 Background 1.2 Natural Processes
11	Chapter 2 Sorption, Sequestration and Binding of Contaminants to Soils 2.1 Introduction
12	2.2 Organic Contaminants
24	2.3 Desorption
29	2.4 Inorganic Contaminants
39	2.5 Implications for Site Remediation
48	Chapter 3 Couples of Precipitation-Dissolution and Reduction-Oxidation Reactions 3.1 Introduction
49	3.2 Precipitation and Dissolution
53	3.3 Reduction and Oxidation
62	3.4 Removal of Contaminants by Reduction and Precipitation Processes
80	3.5 Natural Occurring of Reduction and Precipitation Processes
83	3.6 Engineering Application
90	3.7 Summary
101	Chapter 4 Biological Assimilation and Degradation 4.1 Introduction
103	4.2 Definitions
104	4.3 Common Degradation Pathways and Mechanisms
114	4.4 Rates of Transformation and Half-Lives
115	4.5 Pollutants and Persistency/Bioavailability 4.6 Factors Affecting Degradation
116	4.7 Case Studies
121	4.8 Conclusion
127	Chapter 5 Photolysis and Photocatalytic Degradation 5.1 Introduction 5.2 Basic Principles of Photochemistry
131	5.3 Light Absorption in Natural Water Bodies
133	5.4 Photochemical Reaction in Natural Water Bodies
138	5.5 Photoreactions of Organic Compounds
151	5.6 Factors Influencing Photolysis
155	5.7 Case Studies
159	5.8 Conclusion and Implications
168	Chapter 6 Phytoprocesses 6.1 Introduction 6.2 Definitions
175	6.3 Influence of Environmental Factors Affecting Phytoprocesses
177	6.4 Processes Responsible for Contaminant Removal/Detoxification
178	6.5 Mechanisms Responsible for Phytoprocesses
180	6.6 Common Compounds Remediated by Phytoprocesses
186	6.7 Case Studies
188	6.8 Field Applications of Phytoprocesses
196	Chapter 7 Wetlands 7.1 Introduction 7.2 Wetland System Definitions
204	7.3 Wetland Structure and Function
215	7.4 Constituent Cycling and Removal in Wetlands
247	7.5 Case Studies
254	7.6 Conclusion
264	Chapter 8 Physical Processes and Natural Attenuation 8.1 Introduction 8.2 Diffusion
266	8.3 Advection
267	8.4 Hydrodynamic Dispersion
271	8.5 Volatilization
273	8.6 Advection-Dispersion-Reaction Equation
274	8.7 Application of Attenuation Processes
277	8.8 Case Study: Natural Attenuation of a Coal-Tar-Contaminated Site
281	8.9 Summary
284	Index A B C
285	D E F G H
286	I L M N O P
288	R S T U V W
289	Z