Thursday, October 16, 2008

Desalination

4| | |Desalination is the process of taking salt out of water or soil. This helps to increase the amount of water that we can use, because it turns saltwater into freshwater. Table salt is also produced through desalination.| | |3

-Chuck

Desalination In the Soil

The process of removing salt from soil is called salinity control. This process is used to rid high amounts of salt out of heavy salted areas in farming regions. These regions are mostly irrigated areas in arid and semi arid places. When the water in these farms are evaporated, salt it left behind. Drainage is the primary source of getting the salt out of the areas.

-Brad

How Desalination Works

In a desalination plant, the salt water is heated into container so the water will evaporate and leave the salt behind. After that, the desalinated vapor is then condensed into a seperate container to form water once again. There are several other ways to desalinate water. Other techniques include electrodialysis, thermal desalination, and reverse osmosis.
This image is from:
-Damaris

Desalination Processes

There are 3 different desalination processes, reverse osmosis, thermal distillation, and finally electodialysis. Reverse osmosis is whenever saltwater is pressed through a sort of membrane that will trap the salt and sends out regular water. Thermal distillation is really easy to understand. The saltwater is boiled until the only thing left is salt, and the water vapor is collected to drink. Finally, electodialysis is whenever salt is removed by seperating and collecting the salt's chemical components.


-Dakota

How Desalination Could Change the World

Desalination could be a huge help in the world, especially in the drought we are in.Since about only an eighth of the worlds water is available to us, desalination could provide humans with more water to drink or to use for irrigation. The extra water could make sure that we never run out of freshwater, which is necessary to live.

Desalination Rocks

Now, when informing you about desalination, you should be aware that this whole process is




http://www.aridiwrites.com/ChuckNorrisApproved.png


which is always good to know. I would like to tell you that Chuck Norris has been here as told by this picture...

http://neatorama.cachefly.net/images/2008-01/chuck-norris-split-rock.jpg

But he has also been here....



http://www.basscoast.vic.gov.au/files/2906_Desalination_WA%20visit_Plant_Nov.JPG


a desalination plant in Kwinana, Western Australia. So remember to get the salt

http://www.spiritualresearchfoundation.org/spiritualresearch/spiritualhealing/castofevileye/images/Sea-Salt.gif

out of your water

http://www.rwcc.com.au/Image%2080%20tap%20water.gif

so you can drink it.

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Brad