| 单词 | purex process |
| 释义 | > as lemmasPurex process An industrial process for separating the plutonium and uranium from spent uranium fuel by using tri-n-butyl phosphate as a solvent. Also Purex process. Usually attributive. ΘΚΠ the world > matter > chemistry > chemical reactions or processes > [noun] > chemical reactions or processes (named) > industrial processes > others Solvay (or Solvay's) process1879 contact process1903 thermite process1905 cyanamide process1922 Purex1951 1951 W. A. Burns & W. F. Johnson in O.F. Hill & F. J. Leitz Q. Rep. Jan.–Mar. 1951, Chem. Res. Section (Hanford Works, HW-20863) x. 65 The need for a study of plutonium extraction in alternate processes, both future and currently contemplated (Purex), together with the possibility of utilizing continuous solvent extraction as a step in the recovery of plutonium from slag..is readily apparent. 1956 Proc. Internat. Conf. Peaceful Uses of Atomic Energy 9 471/1 A schematic chemical flowsheet for the Purex process is shown. 1976 Sci. Amer. Dec. 33/3 When the separated uranium and plutonium streams emerge from the Purex process, they contain only about a millionth as much radioactivity due to fission products as the feed material did. 1987 L. Carter Nuclear Imperatives & Public Trust (1988) i. 93 The first plant using the now-standard process for plutonium and uranium extraction (called PUREX) came on line at Savannah River in 1954. 1996 Nuclear Technol. 115 114/2 When the solvent used in the Purex process is reclaimed.., a waste stream containing sodium with fission products and actinides is produced. < as lemmas |
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