Mineral Recovery System in a CEEF

Paper #:
  • 941499

Published:
  • 1994-06-01
Citation:
Kurokawa, H., Funabashi, K., Sugawara, S., Abe, R. et al., "Mineral Recovery System in a CEEF," SAE Technical Paper 941499, 1994, https://doi.org/10.4271/941499.
Pages:
8
Abstract:
We propose a new recovery system for NaCl from human urine. The system has an electrodialysis (ED) part and a crystallization part. Separation and concentration characteristics of the system are discussed for fundamental experiments of the ED and crystallization parts. Concentrated NaCl-KCl mixed solution is obtained using the ED process from simulated oxidized urine and sweat which include Ca2+ and S042- ions. Then, the crystallization process is used to separate about 80% of the NaCl from the ED treated solution. The experimental studies indicate that the mineral recovery system we proposed can recover NaCl from waste water of a CEEF.
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