THE SULFATE CYCLE FOR CARBON DIOXIDE REMOVAL AND OXYGEN GENERATION.
NAVAL RESEARCH LAB WASHINGTON D C
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A laboratory-scale plant of the sodium sulfate cycle system for oxygen generation and carbon dioxide removal aboard nuclear-powered submarines has been constructed and operated. Joint operation of the major components, each of which had previously been separately evaluated in the laboratory, was considered successful. The diaphragms used in the electrolytic cell were expected to provide difficult problems, and although asbestos diaphragms were known from the start to have a limited usefulness under anodic conditions, they proved to be more troublesome than anticipated. Fortunately, a diaphragm research group was able to recommend a replacement material, and using microporous rubber diaphragms in miniature electrolytic cells, achieved several continuous runs of 125 days. Author