Abstract: A survey of oxygen generators for spacecraft based on water electrolysis is presented. The water electrolysis cells surveyed are predominantly prototype units including both liquid and vapor feed ...

Abstract: We have previously reported on the preparation of calcium superoxide, Ca(O2 )2 , from calcium peroxide diperoxyhydrate, CaO2 ·2H2 O2 . In that work, the preparation of a product of higher ...

Abstract: Three membrane systems have been evaluated for concentration at 165 deg F of wash-water contaminants. Membranes tested are polybenzimidazole (hollow fibers), cellulose acetate blend (spiral wound), ...