Multistage process of deuterium and heavy oxygen enrichment by membrane distillation

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Chmielewski, AG
ZakrzewskaTrznadel, G
Miljević, Nada R.
VanHook, WA
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Abstract
Deuterium and oxygen-18 isotope enrichment in water by membrane distillation were studied in a 4-stage cascade. Two configurations of membrane distillation (MD) employing PTFE fat-sheet membranes were investigated, including direct contact MD and air gap MD. The first, direct contact MD is more efficient. It is characterized by high distillate flow rate. The temperature polarization coefficients were higher for direct contact MD. H/D and O-16/O-18 separation factors were determined in the 4-stage cascade.
Source:
Separation Science and Technology, 1997, 32, 1-4, 527-539
Note:
  • 9th Symposium on Separation Science and Technology for Energy Applications, Oct 22-26, 1995, Gatlinburg, TN

DOI: 10.1080/01496399708003213

ISSN: 0149-6395 (print)

WoS: A1997XE60700031

Scopus: 2-s2.0-0030648355
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http://vinar.vin.bg.ac.rs/handle/123456789/7233
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Vinča