Entropy of the Isotopic Enrichment Process for 235UF6/238UF6. (3rd June 2017)

• Record Type: Journal Article
• Authors: Ruiz, Carlos; Rinaldi, Carlos
• Is Part Of: Nuclear technology. Volume 198:Number 3(2017)
• Page Start: 319
• Page End: 326
• Publication Date: 2017-06-03
• Subjects: Entropy -- isotopic enrichment -- uranium hexafluoride; Nuclear engineering -- Periodicals; Nuclear engineering; Nuclear Physics; Periodicals; Periodicals; 621.48
• DOI: 10.1080/00295450.2017.1297170
• Languages: English
• ISSNs: 1943-7471

Abstract

Abstract: This work presents the effects that produce the change in entropy during separation processes; it takes into account the dilution of UF6 in a carrier gas (H2, He, N2, Ar, Xe, SF6, etc.). Comparisons were made between two technologies: one a mature process currently used, i.e., centrifugation (process A), and the other in development, i.e., processes based on a laser [Condensation Repression Isotope Separation by Laser (CRISLA), Molecular Laser Isotope Separation (MLIS), etc.] (process B). The calculations were made using the principles of mix thermodynamics. The results indicate that entropy expenditure is two orders of magnitude higher than that necessary to separate isotopes when the amount (of isotopes) is the same in both process A and process B.