Abstract

ABSTRACTAs part of a program to eliminate chronic, shipboard, low pressure air dehydrator problems a Navy‐industry team consisting of the Navy, Newport News Shipbuilding and a permeable membrane manufacturer has developed a new generation of permeable membrane air dehydration equipment to replace the complex and unreliable desiccant units currently used. Permeable membrane dehydration is a new technology utilizing new polysulfone, semipermeable polymeric membranes specially designed to perform molecular separation of gaseous mixtures. This process has proven to be extremely reliable and cost effective. The successful development of the permeable membrane dehydrator from an SBIR concept to shipboard units is described. A review of the current dehydrators and system history that drove this program, and the benefits and payoffs of the new equipment, are presented. Results of the laboratory evaluation, shipboard evaluation and the fleet transition plan are addressed.

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