Sanitary Landfill Leachate : Generation, Control and Treatment book cover
1st Edition

Sanitary Landfill Leachate
Generation, Control and Treatment

ISBN 9781566761291
Published August 12, 1994 by CRC Press
352 Pages

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Book Description


Sanitary landfills are the most widely utilized method of solid waste disposal around the world. With increased use and public awareness of this method of disposal, there is much concern with respect to the pollution potential of the landfill leachate. Depending on the composition and extent of decomposition of the refuse and hydrological factors, the leachate may become highly contaminated. As leachate migrates away from a landfill, it may cause serious pollution to the groundwater aquifer as well as adjacent surface waters. There is growing concern about surface and groundwater pollution from leachate. Better understanding and prediction of leachate generation, containment, and treatment are needed.
This book contains a literature review of various methodologies that have been developed for prediction, generation, characterization, containment, control, and treatment of leachate from sanitary landfills. The contents of this book are divided into nine chapters. Each chapter contains theory and definition of the important design parameters, literature review, example calculations, and references.
Chapter 1 is devoted to basic facts of solid waste problems current status and future trends towards waste reduction and recycling. Chapter 2 provides a general overview of municipal solid waste generation, collection, transport, resource recovery and reuse, and disposal options. The current status of sanitary landfill design and operation, problems associated with the landfilling, and future trends are presented in Chapter 3. Methods of enhanced stabilization, recycling landfill space, methane recovery, and above grade landfilling, and closure and post closure care of completed landfills are also discussed in detail. Chapter 4 provides a general overview of Subtitle D regulations and its impact upon sanitary landfilling practices. Chapter 5 is devoted entirely to moisture routing and leachate generation mechanisms. Examples of calculation procedure for determining the leachate quantity produced at a landfill are presented. Chapter 6 is devoted to chemical characterization of leachate that changes over the life of the fill. Both theoretical and experimental results are provided to estimate the leachate quality. Chapter 7 provides leachate attenuation processes and mechanisms. Chapter 8 is devoted to leachate collection systems. Natural soil sealants, admixed materials and synthetic membranes, their effectiveness, and methods of installation and economics are fully discussed. Chapter 9 provides a detailed review of leachate treatment methodology. Kinetic coefficients and treatment plant design considerations are summarized for the sole purpose of assisting con- sultants to design leachate treatment facilities. Leachate treatment case histories and numerous process trains are presented for treating leachate from young landfill. The book also describes how the process train can be changed effectively as leachate quality changes with time.

Table of Contents

Integrated Solid Waste Management
Recycling and Waste Reduction
Energy Recovery and Waste Reduction
Landfilling and Leachate Control
Future Trends

Solid Waste Management Practices-An Overview
Municipal Solid Wastes Quantities
Other Solid Waste Sources
Hazardous Wastes
Municipal Solid Waste Management

Sanitary Landfill Planning, Design and Operation
Site Selection
Soil and Geology
Site Preparation and Development
Methods of Landfilling and Operation
Environmental Concerns
Sanitary Landfill Design Considerations
Landfill Stabilization Techniques
Recycling Landfill Space
Closure and Post-Closure Care
Example of a Modern Landfill

Subtitle D Regulations and Their Impacts
Solid and Hazardous Waste Legislation
Effects of Subtitle D on Municipal Solid Waste Landfills

Moisture Routing and Leachate Generation
Solid Waste Decomposition in a Sanitary Landfill
Leachate Generation from Sanitary Landfills
Field Application

Characterization of Landfill Leachate
Factors Affecting Leachate Quality
Experimental Work
Leachate Modeling
Leachate Quality
Toxicity of Municipal Landfill Leachate

Leachate Attenuation
Attenuation Process
Attenuation Mechanisms
Leachate Migration Prediction and Modeling

Leachate Containment and Collection
Types of Impervious Liners
Liner Selection and Performance
Liner Construction and Installation
Leachate Collection and Removal System
Costs of Leachate Collection System

Leachate Treatment
Leachate Treatment Problems
Review of Applicable Wastewater TreatmentProcesses
Treatment Processes Applied to Leachate Treatment
Selection of an Effective Leachate Treatment Train
Leachate Treatment Costs

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