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 Desalinization of Seawater
The world’s water consumption rate is doubling every 20 years�outpacing by two times the rate of population growth. It is forecasted that in the year 2025 water demand will exceed supply by 56%. Natural disaster such as drought and factors like shifts of growing population to urbanized areas and the expansion of industrial sector all contribute to the problem of water shortage. To meet the growing demand for a safe potable water supply�the need to manage the existing scarce resources becomes a critical task. Oceans make up 97% of the world’s supply of water. Reverse osmosis has established itself as the most efficient desalination technology in the world today.
The membrane process uses much less chemical and consequently generates less chemical wastes thus reducing environmental loadings. Moreover RO plant has many other advantages: feedwater generally does not require heating, so the thermal impacts of discharges are lower; it has fewer problems with corrosion; it has usually lower energy requirements; it tends to have higher recovery rates-about 45% for seawater; RO process can remove unwanted contaminants, such as trihalomethane-precursors, pesticides, and bacteria; it takes up less surface area for the same amount of water production; operating cost of high pressure membrane applications can be lowered through improved energy devices. RO is used to reduce dissolved solids from feed waters with salinities up to 45,000 ppm TDS (total dissolved solids).
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1220 N. Market Street, Wilmington,
DE 19801, USA
Phone : +1 626 831 7086 　Fax : +1 626 856 3981
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