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Desalination

Desalination. Mohammed Abdulla Sunday, December 19, 2010. Outlines. Salinity Desalination Processes Desalination Barriers. Abu Dhabi Solar Desalination Plant. Useful Resources. 1. Salinity. 2. Desalination Processes. 2. Desalination Processes. 2.1 Thermal Desalination.

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Desalination

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  1. Desalination Mohammed Abdulla Sunday, December 19, 2010

  2. Outlines • Salinity • Desalination Processes • Desalination Barriers. • Abu Dhabi Solar Desalination Plant. • Useful Resources.

  3. 1. Salinity

  4. 2. Desalination Processes

  5. 2. Desalination Processes

  6. 2.1 Thermal Desalination

  7. 2.1 Thermal Desalination

  8. 2.1.1 Multi Stage Flash

  9. 2.1.1 Multi Stage Flash (El-Dessouky & Ettouney, 2002)

  10. 2.1.2 Multiple Effect Evaporation

  11. 2.1.2 Multiple Effect Evaporation (El-Dessouky & Ettouney, 2002)

  12. 2.2 Membrane Desalination (Reverse Osmosis)

  13. 2.2 Membrane Desalination (Reverse Osmosis) • Reverse Osmosis

  14. 2.2 Membrane Desalination (Reverse Osmosis)

  15. 2.2 Membrane Desalination (Reverse Osmosis) Tampa Bay RO Desalination Plant, Florida, US, 2007

  16. 3. Desalination Barriers • Energy Consumption • Cost • Scaling • Environment Impact

  17. 3.1 Energy Consumption

  18. 3.1 Energy Consumption

  19. 3.2 Cost (Semiat, 2000)

  20. 3.3 Scaling • What is scaling? The accumulation of salt particles on the desalination plant components. • How to minimize scaling? Addition of chemicals, like Polyphosphate.

  21. 3.4 Environmental Impact • Energy consumption and carbon footprint. • Rejection of brine back into sea.

  22. 4. Abu Dhabi Solar Desalination Plant (El-Nashar, 2008)

  23. 5. Useful Resources

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