1 / 10

Commercial Desalination

Commercial Desalination. By: Alyssa Beerling, Frankie Victoria, Joey Seiler, Melissa Lupinacci. http://www.sciencedaily.com/releases/2010/04/100406093636.htm. What is Desalination? . Misconception of Desalination .

hinda
Télécharger la présentation

Commercial Desalination

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Commercial Desalination By: Alyssa Beerling, Frankie Victoria, Joey Seiler, Melissa Lupinacci http://www.sciencedaily.com/releases/2010/04/100406093636.htm

  2. What is Desalination? Misconception of Desalination • is a process that involves the removal of brine and other minerals, such as chemical compounds from sea water or brackish water. • Desalination of sea and brackish water have offered a wide rang of human health, socio-economic, and environmental benefits by providing an unlimited and constant supply of high quality drinking water Potential Negative Impact • Impairment of coastal water quality • Affects on marine life • Air pollution emissions which are attributed to the energy and cost demand of the process

  3. Reverse Osmosis http://coolingtower-design.com/2011/01/25/reverse-osmosis

  4. Distillation http://www.ag.ndsu.edu/pubs/h2oqual/watsys/ae1032w.htm

  5. Output of Desalination Plants Impacts • Brine • Twice as much salt • Toxic Chemicals • Treatment/Maintanence • Heavy metals • Heated discharge • Subtle Changes in the marine environment can affect it extensively • Worldwide ocean: • Temperature= 15 to 20 Degrees Celsius • Salinity= 30 to 37 ppt • Affects of brine • Salinity • Chemicals • Thermal pollution • Groundwater is also at risk http://www.hardrainproject.com/hrpl?n=1178

  6. Source Water Acquisition • Marine Water Intake Issues • Impingement • Entrainment • Brackish Groundwater • Sustainability of the aquifer • Subsidence • Seawater intrusion

  7. Environmental Impacts from Concentrate Management • Coastal Concentrate Discharge into Oceans, Seas, Estuaries • Studies of Effects of Concentrate on Specific Marine Organisms • Case Studies • Sensitivity to Salinity (Rinne, 1971) • Effects of Concentrate on Sea grass (Latorre, 2005)

  8. Economic Costs • Tampa Bay Seawater Desalination Plant • 150 million dollar operation • Yuma Desalting Plant • 245 million dollar project • Costs of delivery • Efficiency of desalination • 15%-50% efficient

  9. Energy Costs • Solubility properties of salt • Desalination in Australia • Coal as energy source • Desalination in Saudi Arabia • Oil as energy source • Environmental toll

  10. Work Cited • http://www.theecologist.org/News/news_analysis/269784/desalination_pros_and_cons_of_a_typically_thorny_issue.html • http://www.resources.ca.gov/ocean/97Agenda/Chap5Desal.html • http://www.theoildrum.com/node/5155 • http://www.nytimes.com/2010/07/11/world/asia/11water.html?pagewanted=all • http://www.scientificamerican.com/article.cfm?id=why-dont-we-get-our-drinking-water-from-the-ocean • http://www.pacinst.org/reports/desalination/desalination_report.pdf •  http://www.sciencedirect.com/science/article/pii/S0011916407006005 • http://www.sciencedirect.com/science/article/pii/S0011916405006041

More Related