Includes references and index.

Contents: Water and wastewater: Hydrological cycle -- Wastewater -- Physical parameters -- Chemical parameters -- Biological characteristics -- Disposal of wastewater -- Self-purification of natural streams -- Oxygen sag analysis -- Treatment of wastewater :Water pollution control -- Neutralization -- Equalization -- Proportioning -- Wastewater treatment -- Screens -- Grit chamber -- Primary sedimentation -- Wastewater biology: Introduction -- Prokaryotic and eukaryotic cells -- Kinds of microorganisms -- Pathogenic organisms -- Indicator organisms -- Enumeration of bacteria -- Direct cell counts -- Viable counts -- Membrane filter -- Most probable number (MPN) method -- Culture of bacteria -- Identification of specific organisms -- Secondary treatment (biological treatment): Aerobic and anaerobic treatment -- Trickling filters (aerobic attached growth process) -- Advantages and disadvantages of trickling filter -- Standard rate trickling filter (low-rate filter) -- High-rate trickling filter -- Operation and maintenance -- Design of trickling filter -- Activated sludge process (aerobic suspended growth process) -- Biological kinetics -- Types of processes and modifications -- Plug flow (conventional) type -- Step aeration -- Contact stabilization -- Continuous flow stirred tank -- Tapered aeration -- Pure oxygen -- Extended aeration -- Rotating biological contractor (RBC) -- Anaerobic treatment: Anaerobic basics -- Principle of anaerobic wastewater treatment -- COD balance -- Advantages of anaerobic treatment process -- Disadvantages of anaerobic treatment processes -- Applications of anaerobic treatment -- Anaerobic suspended growth process -- Upward flow anaerobic sludge blanket reacter -- Septic tank -- Attached growth anaerobic process -- Effluent disposal: Introduction -- Methods of disposal -- Sludge treatment: Introduction -- Sludge treatment -- Biological stabilization -- Types of digesters -- Aerobic sludge digestion -- Chemical stabilization -- Lime stabilization -- Physical stabilization (heat treatment) -- Sludge conditioning -- Vacuum filtration -- Incineration -- Sludge disposal -- De-watering -- Filter pressing -- Centrifuging -- Air drying -- Dumping into sea -- Solid waste management: General -- Classification of solid wastes -- Properties of solid waste -- Factors influencing solid waste management -- Solid waste management -- Engineering systems for solid waste management -- Waste collection into dust bins -- On-site handling, storage and processing -- Transport -- Processing -- Disposal -- Composting -- Bioreactor landfill -- Incineration -- Bioremediation: Introduction -- Contamination of soil and ground water -- Bioremediation systems -- Groundwater bioremediation -- Biofilteration -- Limitations of bioremediation.