Reducing energy for urban water and wastewater : prospects for China /
Cities use large amounts of costly energy to supply water and treat wastewater, especially in China, one of the world's largest providers of urban water and sanitation services. Reducing Energy for Urban Water and Wastewater shows how cities can reduce energy use, cut costs and curb greenhouse...
Clasificación: | Libro Electrónico |
---|---|
Autores principales: | , |
Formato: | Electrónico eBook |
Idioma: | Inglés |
Publicado: |
London, UK :
IWA Publishing,
2019.
|
Temas: | |
Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Cover; Copyright; Contents; About the Authors; Preface; Chapter 1: Introduction; 1.1 The Water-Energy Nexus; 1.2 China's Urban Water System; 1.3 Scope; 1.4 Summary; Chapter 2: Energy for water supply; 2 .1 Energy for Water Supply; 2.2 Sourcing Water; 2.2.1 Sourcing groundwater; 2.2.2 Sourcing surface water: Short and long distance; 2.2.3 Harvesting rainwater; 2.3 Treating Water; 2.3.1 Treating groundwater and surface water; 2.3.2 Treating seawater; 2.3.2.1 Reverse osmosis; 2.3.2.2 Multi-effect distillation; 2.4 Distributing Water
- 2.4.1 Distributing water in the central water distribution system2.4.2 Distributing water in high-rise buildings; 2.4.2.1 Common types of high-rise pumping systems; 2.4.2.2 Energy used by high-rise pumping systems; 2.4.2.3 High-rise pumping within the urban water cycle; 2.5 Chapter Summary; Chapter 3: Factors that may influence electricity use for water supply; 3.1 Data; 3.2 Correlation Analysis; 3.3 Electricity Use and Scope; 3.4 Relationship between Electricity Use and Population Supplied; 3.5 Relationship between Electricity Use and Pipe Length
- 3.6 Relationship between Electricity Use and Water Loss3.7 Relationship between Electricity Use and Water Use; 3.8 Chapter Summary; Chapter 4: Comparison of electricity for water supply between water sources and countries; 4.1 Comparison of Electricity Use for Different Water Sources; 4.2 Comparison of Electricity Use and Emissions for Water Supply in Different Countries; 4.2.1 Electricity use; 4.2.2 Greenhouse gas emissions; 4.3 Chapter Summary; Chapter 5: Energy for wastewater treatment; 5.1 Wastewater Treatment in China; 5.2 Pretreatment and Primary Treatment; 5.3 Secondary Treatment
- 5.3.1 Secondary treatment
- Removal of organics5.3.2 Secondary treatment
- removal of nutrients; 5.4 Tertiary Treatment; 5.5 Sludge Treatment and Disposal; 5.6 Chapter Summary; Chapter 6: Evaluating the environmental benefit and energy footprint of stricter wastewater standards; 6.1 Evolution in Wastewater Treatment Standards; 6.2 Recent Changes to Chinese Urban Wastewater Discharge Standards; 6.3 Estimating Difference in Electricity for Two Standards; 6.3.1 Method; 6.3.2 Case study results; 6.4 Estimating Total Change in Electricity Use Due to Change in Standard; 6.4.1 Method
- 6.4.2 Case study results6.5 Assessing Environmental Benefit and How to Increase It; 6.5.1 Method; 6.5.2 Case study results; 6.6 Chapter Summary; Chapter 7: Reducing net energy use for water supply; 7.1 Save Energy by Reducing Leakage; 7.2 Minimise Energy Used for Desalination; 7.2.1 Use energy recovery devices in reverse osmosis; 7.2.2 Further investigate coupling of solar energy and desalination; 7.2.3 Capture waste heat or electricity for use in distillation; 7.3 Use Energy Efficient Pumping Systems in High-rise Buildings; 7.3.1 Be aware of the increasing need for high-rise pumping