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Small Desalination Units for Agricultural Sustainability, Challenges and Opportunities 5-6 March, 2018Posted On : 16-Jan-2018
In the last decade, reverse osmosis (RO) desalination has grown as an alternative to traditional potable water sources. A major disadvantage of the RO process is the huge amount of reject brine and its negative impact as a result of its high salinity. Desalination technology has environmental challenges that include energy requirements, water quality, and disposal means of rejected brine.
RO produces a clean stream of high purity water, and as well a smaller stream of waste, referred to as concentrates or brine. Brine requires proper disposal, which many times requires permits or other regulatory compliance actions. There are many brine disposal methods available today, which all have different environmental and capital costs. The common brine disposals methods have their pros and cons. Further research is needed for introducing environmentally friendly and economically viable management options for RO brines.