Microgravity Freeze Separation

Paper #:
  • 972269

Published:
  • 1997-07-01
Citation:
Alexandre, K., "Microgravity Freeze Separation," SAE Technical Paper 972269, 1997, https://doi.org/10.4271/972269.
Author(s):
Pages:
10
Abstract:
Boeing has bench tested a novel microgravity freeze separation process to treat various spacecraft waste streams. Three binary aqueous solutions were used to simulate the waste streams: sodium chloride, ethanol, and ammonia. The ability to operate and model this process was successfully demonstrated. Single pass separation efficiencies of greater than 99% were realized for ammonia, between 55 and 76% for sodium chloride, and up to 68% for ethanol.
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