Process for enhancing the quality of water so that it meets the water quality criteria for its fitness for the intended use. Basic Process includes

Desalination (also spelled desalinization) is the process of creating fresh water by removing saline (salt) from bodies of salt water. There are varying degrees of salinity in water, which affects the difficulty and expense of treatment, and the level of saline is typically measured in parts per million (ppm). The U.S. Geological Survey provides an outline of what constitutes saline water: 1,000 ppm – 3,000 ppm is low salinity, 3,000 ppm – 10,000 ppm is moderate salinity, and 10,000 ppm – 35,000 ppm is high salinity

involves seawater being pushed through a semi-permeable membrane that traps the salt and other impurities on one side and allows water to be filtered through a microscopic strainer

Involves the removal of salts by separating and collecting their chemical components through electrolysis and is more suited to salty groundwater than seawater