n IMIESA - Desalination : increasing options in water security : bulk water




Extracted from text ... Globally, the practice of desalination now competes favourably with traditional water sources that are becoming expensive due to the costs of containment (dams), inter-basin transfers, contamination, accessibility and environmental impingement. Desalination is a process that removes dissolved organics, salts and other impurities from seawater, brackish water, or treated wastewater. Currently there are over 12 450 largescale desalting plants worldwide, which collectively producing more than 276 million kilolitres of pure water per day for potable, industrial process, agricultural and landscape irrigation purposes. Originally, desalination was the preserve of Middle Eastern, oil producing countries and was achieved through high energy consuming ..


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