What to do with sewage effluent? Why not use it to irrigate arid zones? This monograph treats all relevant questions.

Inhalt
1 Introduction.- 2 Sources, Treatment Processes and Uses of Sewage Effluent.- 2.1 Sources of Sewage Water.- 2.2 Composition of Raw Sewage.- 2.3 Principal Treatment Methods.- 2.4 Reuse and Disposal of Sewage Effluent and Sludge.- 2.5 Land Treatment of Sewage Effluent: Approaches, Systems and Methods.- 2.6 Integrating Treated Sewage Effluent in the Overall Water Resources.- 2.7 Storage of Treated Effluent.- 2.8 Properties of Secondary Effluent.- 3 Effect of Irrigation with Treated Sewage Effluent on Soil, Plant and Environment.- 3.1 Salinity and Sodicity.- 3.2 Transport of Chemicals and Hazardous Materials in the Soil.- 3.3 Nitrogen.- 3.4 Phosphorus.- 3.5 Potassium.- 3.6 Trace Elements.- 3.7 Organic Compounds.- 3.8 Suspended Solids.- 3.9 Health Aspects.- 4 Practical Use of Effluent Irrigation.- 4.1 Introduction.- 4.2 Arid and Semi-Arid Regions.- 4.3 Humind Regions.- 5 Irrigation and Fertilization Management.- 5.1 Site Selection Soil, Hydrological and Climatic Characteristics.- 5.2 Irrigation Scheduling.- 5.3 Irrigation-Fertilization Interrelations.- 5.4 Trace Elements.- 5.5 Crop Selection.- 5.6 Drainage.- 5.7 Monitoring.- 6 Irrigation Systems for Sewage Effluent.- 6.1 Considerations in Irrigation System Design.- 6.2 Piping Systems.- 6.3 Storage and Pumping.- 6.4 Chlorination.- 6.5 Precipitation of CaCO3.- 6.6 Fertilizer and Chemical Injection Systems.- 6.7 Filters.- 6.8 Irrigation System Maintenance.- References.