Infodoc : Sciences, Techniques et Culture

1 Introduction to water quality and water pollution
1.1 Introduction
1.2 Uses of water
1.3 Water quality requirements
1.4 Water pollution
2 Wastewater characteristics
2.1 Wastewater flowrates
2.2 Wastewater composition
3 Impact of wastewater discharges to water bodies
3.1 Introduction
3.2 Pollution by organic matter and stream self purification
3.3 Contamination by pathogenic microorganisms
3.4 Eutrophicatio[...]

1 Introduction to water quality and water pollution
1.1 Introduction
1.2 Uses of water
1.3 Water quality requirements
1.4 Water pollution
2 Wastewater characteristics
2.1 Wastewater flowrates
2.2 Wastewater composition
3 Impact of wastewater discharges to water bodies
3.1 Introduction
3.2 Pollution by organic matter and stream self purification
3.3 Contamination by pathogenic microorganisms
3.4 Eutrophication of lakes and reservoirs
3.5 Quality standards for wastewater discharges and waterbodies
4 Overview of wastewater treatment systems
4.1 Wastewater treatment levels
4.2 Wastewater treatment operations, processes and systems
4.3 Preliminary treatment
4.4 Primary treatment
4.5 Secondary treatment
4.6 Removal of pathogenic organisms
4.7 Analysis and selection of the wastewater treatment process
5 Overview of sludge treatment and disposal
5.1 Introduction
5.2 Relationships in sludge: solids levels, concentration and flow
5.3 Quantity of sludge generated in the wastewater treatment processes
5.4 Sludge treatment stages
5.5 Sludge thickening
5.6 Sludge stabilisation
5.7 Sludge dewatering
5.8 Sludge disinfection
5.9 Final disposal of the sludge
6 Complementary items in planning studies
6.1 Preliminary studies
6.2 Design horizon and staging periods
6.3 Preliminary design of the alternatives
6.4 Economical study of alternatives
References