Naval Surface Warfare Center, Carderock Division, Philadelphia Purchase Branch, Code 335, Bldg. 4, Philadelphia Business Center, Philadelphia, PA 19112-5083

A -- ULTRAFILTRATION MEMBRANE CLEANING AGENTS SOL N00167-98-SS-0048 DUE 051498 POC Carl Adema (301) 227-4981 The Carderock Division, Naval Surface Warfare Center (NSWCCD) seeks sources within industry for chemical agents and procedures to be used for cleaning ceramic ultrafiltration membranes fouled from processing bilgewater from U.S. Navy ships. Cleaning processes shall be used to remove bilgewater contaminants from silica membrane surfaces and pores without damaging the membrane surface and substrate. The agents and procedures must also meet the following criteria: (1) must be able to remove the following contaminants from membrane surface and pores: carbon, phosphorus, sulfur, nitrogen, petroleum hydrocarbons, zinc, copper and iron; (2) must be non-corrosive to membrane surface and substrate; (3) must be capable of operating in flowing streams at flow rates of 10 to 400 gallons per minute; (4) must be able to withstand an operating temperature of 50 to 175 degrees Fahrenheit. The cost of ultrafiltration membrane cleaning agents is also required. Responses to this synopsis are requested within 30 days fromdate of publication. This synopsis is for information purposes only to identify potential suppliers. It does not constitute an RFP and does not obligate the Government in any way to purchase any of the systems offered. Responses to this synopsis shall be submitted to: Carl Adema, NSWCCD, Building 60, Code 633, 9500 MacArthur Boulevard, West Bethesda MD 20817-5700. (0103)

Loren Data Corp. http://www.ld.com (SYN# 0012 19980415\A-0012.SOL)