Desalination Range:(1 M3/Hr -500000 M3/Hr)
Sea Water Desalination– Points to Ponder
Water is a source of life but the world has a total of 1.65 billion km3 of Water. However, only 0.3% of this total quantity is theoretically usable as a fresh water, and only 10% of that i.e. 0.03% of the world’s water is capable of economical utilization.
In the environment report ‘Global 2000’ the following comments occur: “The notion that water is a freely available resource will no longer be encountered anywhere in the world in 20 years’ time”.
Worldwide sea water desalination has been a very effective and economical way of producing potable water for drinking and industries. It is a myth that, sea water desalination is so exorbitantly expensive that it is unaffordable.
Reverse Osmosis plants to convert sea water to potable drinking water and for other usages have been prevalent throughout the world for more than 3 decades. The sea water Reverse Osmosis membranes have improved in technology and efficiency over the last 15 years. The current technology available for seawater Desalination through Reverse Osmosis System has proven to be cost effective and easily maintainable. With proper process design and efficient conservation of energy sea water Desalination system with Reverse Osmosis can be a long-term solution at an affordable price. With technologies to save power such as “energy recovery turbines” cost per ltr of Desalinated sea water to potable water can work as low as US$0.001 per litre, including cost of running, maintenance and power.