Department of the Navy, Carderock Division Headquarters, Naval Surface Warfare Center, Bethesda, MD 20084-5000

A -- FEASIBILITY OF PROCESSES TO REMOVE DISSOLVED COPPER AND ZINC FROM SEAWATER SOL N6153396Q1205 DUE 091096 POC Contract Specialist: Fran Cooley 301-227-5669; Contracting Officer: 301-227-1113. The Naval Surface Warfare Cneter Carderock Division is investigating the feasibility of processes to remove dissolved copper and zinc from seawater down to low levels (less than three parts per billion). The removal system will be used to process effluent captured with ship's underwater hulls painted with copper/zinc based paints are cleaned to remove fouling. The goal is to return the effluent to the receiving waters with copper and zinc concentrations at least as low as three to four parts per billion. The goal is also to develop a system which is capable of processing at flow rates of at least 200 gallons per minute. Particulates will be filtered with a filter of pore size of no less than eleven microns prior to removal of dissolved heavy metals. Technologies other than those in current commercial use may be proposed, but evaluation preference will be given to methods that are currently being used in commercial copper and zinc removal. This requirement falls under the new Simplified Acquisition Procedures. The award is expected to be a firm fixed price between CDNSWC'S estimated cost range from $25,000.00 to $50,000.00. (0235)

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