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

Sanitary Landfill Leachate

Generation, Control and Treatment, 1st Edition

By Syed R. Qasim, Walter Chiang

CRC Press

352 pages

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Description

FROM THE PREFACE

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

Introduction

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

Introduction

Municipal Solid Wastes Quantities

Other Solid Waste Sources

Hazardous Wastes

Municipal Solid Waste Management

Sanitary Landfill Planning, Design and Operation

Introduction

Site Selection

Soil and Geology

Site Preparation and Development

Equipment

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

Introduction

Solid and Hazardous Waste Legislation

Effects of Subtitle D on Municipal Solid Waste Landfills

Moisture Routing and Leachate Generation

Introduction

Solid Waste Decomposition in a Sanitary Landfill

Leachate Generation from Sanitary Landfills

Field Application

Characterization of Landfill Leachate

Introduction

Factors Affecting Leachate Quality

Experimental Work

Leachate Modeling

Leachate Quality

Toxicity of Municipal Landfill Leachate

Leachate Attenuation

Introduction

Attenuation Process

Attenuation Mechanisms

Leachate Migration Prediction and Modeling

Leachate Containment and Collection

Introduction

Types of Impervious Liners

Liner Selection and Performance

Liner Construction and Installation

Leachate Collection and Removal System

Costs of Leachate Collection System

Leachate Treatment

Introduction

Leachate Treatment Problems

Review of Applicable Wastewater TreatmentProcesses

Treatment Processes Applied to Leachate Treatment

Selection of an Effective Leachate Treatment Train

Leachate Treatment Costs

Subject Categories

BISAC Subject Codes/Headings:
SCI026000
SCIENCE / Environmental Science
TEC010030
TECHNOLOGY & ENGINEERING / Environmental / Water Supply