Filter cartridges reduce contaminants in desalination systemProblem: A private club on the Atlantic Ocean in Rhode Island relied on desalination for drinking water. Northeast Water Solutions Inc. (NWSI) helped during startup of the initial RO system. The source water contained elevated TDS, iron and manganese. The system ran for 15 minutes before it automatically shut down due to terminal pressure drop across the RO membranes. The prefiltration plan was inadequate given the quality of the water and the strict limitations imposed by the state Department of Environmental Management.Solution: NWSI installed a new treatment system consisting of 5-micron bag filters followed































