Desalination Flashcards
Top desalinators X3
- Saudi
- USA
- UAE
If the UAE didn’t desalinate how many days of water would it have?
only 8 days worth
What has the volume of desalinated water increased by in the the past 20years
X5
X2 reasons why desalination has increased;
- greater demand from pop. growth
- more economically efficient than previously
Why is desalination more sustainable than previously?
- improving technologies mean newer plants bale to run on renewable power
cost of desalinated water per m^3
95cents
cost of treated run off water per m^3
29cents
What does the cost of desalinated water mean?
largely only available for HICs at the moment
What % of the world is currently reliant on desalination?
1%
What % of the world’s water will need to be desalinated to meet demand in 2025 according to the UN?
14%
Environmental problem with desalination; X2
- can kill / harm aquatic life
- large amounts of energy needed
Why is desalination increasingly hard?
- salinity of water increasing
= so more energy required
How many desalination plants in California currently building?
17
Where built a desalination plant, closed it since it was not $$$ efficient, and are now reopening due to demand?
Santa Barbara