questions 3,5,7 and 9

3. Describe how each of the following gaseous fission products is recovered from SNF: (a) tritium; (b) krypton; (c) carbon-14 (as carbon dioxide). 8.10. PYROPROCESSING 89 4. Some variations of the PUREX process include a processing step called voloxidation, in which the uranium oxide is reacted with oxygen to form triuranium octoxide. Write a balanced chemical equation for the voloxidation reaction. 5. Following voloxidation (see the previous problem), the U3O8 product is dissolved in nitric acid. Write a balanced chemical for this reaction, assuming that both NO and NO2 are formed in equal amounts. 6. For the equilibrium reaction of uranyl nitrate and tributyl phosphate (TBP), write (a) the balanced chemical equation and (b) the expression for the equilibrium constant. 7. Repeat the previous problem for the reaction of plutonium (+4) nitrate and tributyl phosphate (TBP). 8. Write a balanced chemical equation for the reduction of Pu(+4) to Pu(+3) by each of the following reductants: (a) hydroxylamine nitrate; (b) uranium (+4); (c) ferrous sulfamate 9. Trace the flow of uranium, plutonium, and fission products through the IFR pyroprocessing flowsheet, as shown in Figure 6 of the report by Simpson and Law (2010)