This book details methods of domestic wastewater treatment that are especially suitable in developing countries. The emphasis is on low-cost, low-energy, low-maintenance, high-performance systems that contribute to environmental sustainability by producing effluents that can be safely and profitably used in agriculture for crop irrigation and/or in aquaculture for fish and aquatic vegetable pond fertilization. Modern design methodologies, with worked design examples, are described for waste stabilization ponds (WSP), wastewater storage and treatment reservoirs, constructed wetlands, upflow anaerobic sludge blanket reactors, biofilters, aerated lagoons, and oxidation ditches.
The book provides a foundation to the practical design of wastewater treatment and reuse systems in developing countries, with an emphasis on sustainable and cost-effective technologies, with the goal of reducing wastewater-related diseases and environmental damage. Essential reading for design engineers and academics and upper-level or undergraduate post-graduate engineering students.

Table of Contents:

What is Domestic Wastewater and Why Treat It? Excreta-related Diseases
Essential Microbiology and Biology
Effluent Quality
BOD Removal Kinetics
Domestic Wastewater Treatment Options
Wastewater Flows and Loads
Preliminary Treatment
Waste Stabilization Ponds
Anaerobic Ponds
Faculative Ponds
Maturation Ponds
Physical Design of WSPs
Operation and Maintenance of WSPs
Monitoring and Evaluation of WSPs
Wastewater Storage and Treatment Reservoirs
Constructed Wetlands
Upflow Anaerobic Sludge Blanket Reactors
Biofiltration
Simple Activated Sludge Variants
Waste Reuse in Agriculture
Wastewater Reuse in Aquaculture
Bibliography