Reverse osmosis plant

A reverse osmosis plant is a manufacturing plant where the process of reverse osmosis takes place. An average modern reverse osmosis plant needs six kilowatt-hours of electricity to desalinate one cubic metre of water.[1] The process also results in an amount of salty briny waste. The challenge for these plants is to find ways to reduce energy consumption, use sustainable energy sources, improve the process of desalination and to innovate in the area of waste management to deal with the waste.

A custom-made 1000 liter commercial Reverse Osmosis Plant fitted with UV treatment system.

Examples of reverse osmosis plants

In operation

• In Israel at Ashkelon on the Mediterranean coast, the world's largest reverse osmosis plant is producing 320,000[2] cubic metres of water a day at around possibly $0.50 USD per cubic metre[3].

In Sindh Province Pakistan the Provincial Government has Installed 382 RO Plants in the Province out of Which 207 are Installed in Backward Areas of Sindh which Includes districs of Thar Thatta Badin Sukkur Shaheed Benazirabad Noshero feroz and others while 726 are on the final stage of their completion

Under construction

• In China a desalination plant will be built for Tianjin, to produce 100,000 cubic metres of desalinated seawater a day.[4][5]
• In Spain 20 reverse osmosis plants will be built along the Costas, expecting to meet slightly over 1 per cent of Spain's total water needs.[6][7][8]
• In Pakistan Asia's biggest RO plant is Under Construction in Nawabshah on the special Directives of President Asif Ali Zardari which will give 8 Million Gallons pure water per day.

[9]

See also

• Reverse Osmosis Water Purification Unit
• Osmosis

References

External links

• "Water,water, everywhere" by Fred Pearce for Prospect Magazine

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