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Nuclear Chemistry & Engineering

Randall Scheele

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352

Selected Publications

2017

  • Scheele RD, AM Casella, and BK McNamara. 2017. "Use of Nitrogen Trifluoride to Purify Molten Salt Reactor Coolant and Heat Transfer Fluoride Salts." Industrial Engineering Chemistry Research 56(19):5505-5515.  doi:10.1021/acs.iecr.7b00374
  • Scheele RD, BK McNamara, JM Schwantes, DT Hobbs, MJ Minette, and CA Barrett. 2017. "Thermoanalytical Investigation of the Reactions Causing the Transuranic Waste Drum Breach that Occurred in the Waste Isolation Pilot Plant." Thermochimica Acta 650:76-87.  doi:10.1016/j.tca.2017.02.007

2016

  • Pool KN, MJ Minette, JH Wahl, LR Greenwood, DS Coffey, BK McNamara, SA Bryan, RD Scheele, CH Delegard, SI Sinkov, CZ Soderquist, SK Fiskum, GN Brown, and RA Clark. 2016. Compilation of PRF Canyon Floor Pan Sample Analysis ResultsPNNL-25254 Rev 1, Pacific Northwest National Laboratory, Richland, WA. 

2015

  • Casella AM, RD Scheele, and BK McNamara. 2015. "Characterization of the Kinetics of NF3-Fluorination of NpO2." AIP Advances 5(12):Article No. 127230.  doi:10.1063/1.4939143
  • Scheele RD, and CF Wend. 2015. "Solidification and Stabilization of Silver Mordenite Used to Control Radioiodine Emissions from Hanfordís Waste Treatment Plant." Journal of Hazardous Materials 78:40-48.  doi:10.1016/j.anucene.2014.12.019

2014

  • McNamara BK, EC Buck, CZ Soderquist, FN Smith, EJ Mausolf, and RD Scheele. 2014. "Separation of metallic residues from the dissolution of a high-burnup BWR fuel using nitrogen trifluoride." Journal of Fluorine Chemistry 162:1-8.  doi:10.1016/j.jfluchem.2014.02.010

2013

  • Scheele RD, BK McNamara, AM Casella, AE Kozelisky, and D Neiner. 2013. "Thermal NF3 fluorination/oxidation of cobalt, yttrium, zirconium, and selected lanthanide oxides." Journal of Fluorine Chemistry 146:86-97.  doi:10.1016/j.jfluchem.2012.12.013

2012

  • Blanchard J, DC Gerlach, RD Scheele, ML Stewart, BD Reid, PA Gauglitz, LM Bagaasen, CC Brown, C Iovin, CH Delegard, A Zelenyuk, EC Buck, BJ Riley, and CA Burns. 2012. Uranium Oxide Aerosol Transport in Porous GraphitePNNL-21014, Pacific Northwest National Laboratory, Richland, WA. 
  • Scheele RD, BK McNamara, AM Casella, and AE Kozelisky. 2012. "On the Use of Thermal NF3 as the Fluorination and Oxidation Agent in Treatment of Used Nuclear Fuels." Journal of Nuclear Materials 424(1-3):224-236.  doi:10.1016/j.jnucmat.2012.03.004

2011

2010

2009

  • McNamara BK, RD Scheele, AE Kozelisky, and MK Edwards. 2009. "Thermal Reactions of Uranium Metal, UO2, U3O8, UF4, and UO2F2 with NF3 to Produce UF6 ." Journal of Nuclear Materials 394(2-3):166-173. 
  • Metcalfe B, IW Donald, SK Fong, LA Gerrard, DM Strachan, and RD Scheele. 2009. "Ageing of a phosphate ceramic used to immobilize chloride-contaminated actinide waste." Journal of Nuclear Materials 385(2):485-488. 
  • Metcalfe BL, IW Donald, SK Fong, LA Gerrard, DM Strachan, and RD Scheele. 2009. "Ageing of a phosphate ceramic used to immobilize chloride contaminated actinide waste ." Journal of Nuclear Materials 385(2):485-488.  doi:10.1016/j.jnucmat.2008.12.035
  • Metcalfe BL, IW Donald, SK Fong, LA Gerrard, DM Strachan, and RD Scheele. 2009. "Calcium Phosphate: A potential host for halide contaminated plutonium wastes." In Scientific Basis for Nuclear Waste Management XXXII: Materials Research Society Fall Meeting, December 1-5, 2008, Boston, Massachusetts, vol. 1124, ed. RB Rebak, NC Hyatt and DA Pickett, pp. Paper No. 1124-Q04-02.  Materials Research Society, Warrendale, PA.  doi:10.1557/PROC-1124-Q04-02
  • Scheele RD, GN Brown, and DE Kurath. 2009. Scale-Up, Production, and Procurement of PEP SimulantsPNNL-18678, Pacific Northwest National Laboratory, Richland, WA. 
  • Strachan DM, SA Bryan, CH Henager, Jr, TG Levitskaia, J Matyas, PK Thallapally, RD Scheele, WJ Weber, and F Zheng. 2009. Processes for Removal and Immobilization of 14C, 129I, and 85KrPNNL-18852, Pacific Northwest National Laboratory, Richland, WA. 

2008

  • Scheele RD, BK McNamara, and LM Bagaasen. 2008. Thermal Flammable Gas Production from Bulk Vitrification Feed PNNL-17491, Pacific Northwest National Laboratory, Richland, WA. 
  • Strachan DM, RD Scheele, EC Buck, AE Kozelisky, RL Sell, RJ Elovich, and WC Buchmiller. 2008. "Radiation Damage Effects in Candidate Titanates for Pu Disposition: Zirconolite ." Journal of Nuclear Materials 372(1):16-31.  doi:10.1016/j.jnucmat.2007.01.278
  • Strachan DM, RD Scheele, EC Buck, AE Kozelisky, RL Sell, RJ Elovich, and WC Buchmiller. 2008. "Radiation Damage Effects in Candidate Titanates for Pu Disposition: Zirconolite." Journal of Nuclear Materials 372(1):16-31.  doi:10.1016/j.jnucmat.2007.01.278

2007

  • Donald IW, B Metcalfe, SK Fong, LA Gerrard, DM Strachan, and RD Scheele. 2007. "A glass-encapsulated calcium phosphate wasteform for the immobilization of actinide-, fluoride-, and chloride-containing radioactive wastes from the pyrochemical reprocessing of plutonium metal." Journal of Nuclear Materials 361(1):78-93.  doi:10.1016/j.jnucmat.2006.11.011
  • Metcalfe B, SK Fong, LA Gerrard, IW Donald, DM Strachan, and RD Scheele. 2007. "Development of a Phosphate Ceramic as a Host for Halide-contaminated Plutonium Pyrochemical Reprocessing Wastes." In Scientific Basis for Nuclear Waste Management XXX. Materials Research Symposium Proceedings, vol. 985, ed. D.S. Dunn, C. Poinssot, B. Begg, pp. paper no. 0985-NN04-04.  Materials Research Society, Warrendale, PA. 
  • Scheele RD, BK McNamara, LM Bagaasen, SJ Bos, AE Kozelisky, and P Berry. 2007. Evaluation of Exothermic Reactions from Bulk-Vitrification Melter Feeds Containing CellulosePNNL-16677, Pacific Northwest National Laboratory, Richland, WA. 

2006

  • Icenhower JP, DM Strachan, BP McGrail, RD Scheele, EA Rodriguez, JL Steele, and VL LeGore. 2006. "Dissolution kinetics of pyrochlore ceramics for the disposition of plutonium ." American Mineralogist 91(1):39-53. 
  • Icenhower JP, DM Strachan, BP McGrail, RD Scheele, EA Rodriguez, JL Steele, and VL Legore. 2006. "Dissolution Kinetics of Pyrochlore Ceramics for the Disposition of Plutonium." American Mineralogist 91(1):39-53. 
  • Scheele RD, BK McNamara, BM Rapko, MK Edwards, AE Kozelisky, RC Daniel, TI McSweeney, SJ Maharas, P Weaver, KJ Iwamasa, and RA Kefgen. 2006. "Development of NF3 Deposit Removal Technology for the Portsmouth Gaseous Diffusion Plant." In Waste Management Symposium 2006: Global Accomplishments in Environmental and Radioactive Waste Management: Education and Opportunity for the Next Generation of Waste Management Professionals.  Arizona Board of Regents, Tucson, AZ. 
  • Scott PA, JS Fruchter, JE Szecsody, AJ Schmidt, GB Mellinger, RD Scheele, RW Shimskey, SA Jones, WK Hensley, EA Lepel, M Oostrom, SW Petersen, TD Cooper, MJ Minette, JR Ewalt, and RE Wilkinson. 2006. "Overview of Technologies and Innovations Being Developed for Fluor Hanford Projects at the Hanford Site." In 2006 Waste Management Symposium: Global Accomplishments in Environmental and Radioactive Waste Management:Education and Opportunity for the Next Generation of Waste Management Professionals.  Arizona Board of Regents, Tucson, AZ. 

2005

  • Ewalt JR, MJ Minette, AM Hopkins, TD Cooper, CJ Simiele, PA Scott, RD Scheele, and SL Charboneau. 2005. "Treatability Studies Used to Test for Exothermic Reactions of Plutonium Decontamination Chemicals." In ANS Topical on Deactivation, Decommissioning & Reutilization and Technology Expo, pp. 662-669.  American Nuclear Society, La Grange Park, IL. 
  • Hopkins AM, GW Jackson, MJ Minette, JR Ewalt, TD Cooper, PA Scott, SA Jones, RD Scheele, and SL Charboneau. 2005. "SAFETY STUDIES TO MEASURE EXOTHERMIC REACTIONS OF SPENT PLUTONIUM CONTAMINATION CHEMICALS USING WET AND DRY DECONTAMINATION METHODS ." In The 10th International Conference on Environmental Remediation and Radioactive Waste Management September 4-8, 2005, Scottish Exhibition & Conference Centre, Glasgow, Scotland .  American Society of Mechanical Engineers, Fairfield, NJ. 
  • Kim DS, CZ Soderquist, JP Icenhower, BP McGrail, RD Scheele, BK McNamara, LM Bagaasen, MJ Schweiger, JV Crum, JD Yeager, J Matyas, LP Darnell, HT Schaef, AT Owen, AE Kozelisky, LA Snow, and MJ Steele. 2005. Tc Reductant Chemistry and Crucible Melting Studies with Simulated Hanford Low-Activity WastePNNL-15131, Pacific Northwest National Laboratory, Richland, WA. 
  • Scheele RD, TD Cooper, SA Jones, JR Ewalt, JA Compton, DS Trent, MK Edwards, AE Kozelisky, PA Scott, and MJ Minette. 2005. Thermal Stability Studies of Candidate Decontamination Agents for Hanfordís Plutonium Finishing Plant Plutonium-Contaminated GloveboxesPNNL-15410, Pacific Northwest National Laboratory, Richland, WA. 
  • Strachan DM, RD Scheele, EC Buck, AE Kozelisky, RL Sell, RJ Elovich, and WC Buchmiller. 2005. "Radiation Damange Effects in Candidate Titanates for Plutonium Disposition: Pyrochlore." Journal of Nuclear Materials 345(2-3):109-135.  doi:10.1016/j.jnucmat.2005.04.064
  • Strachan DM, RD Scheele, EC Buck, JP Icenhower, AE Kozelisky, RL Sell, RJ Elovich, and WC Buchmiller. 2005. "Radiation Damage Effects in Candidate Titanates for Pu Disposition: Pyrochlore." Journal of Nuclear Materials 345(2-3):109-135. 

2004

  • Burger LL, and RD Scheele. 2004. HWVP Iodine Trap EvaluationPNNL-14860, Pacific Northwest National Laboratory, Richland, WA. 
  • Farnan IE, HM Cho, WJ Weber, RD Scheele, NR Johnson, and AE Kozelisky. 2004. "High-Resolution Solid-State Nuclear Magnetic Resonance Experiments on Highly Radioactive Ceramics." Review of Scientific Instruments 75(12):5232-5236. 
  • Scheele RD, BD Hanson, SE Cumblidge, ED Jenson, AE Kozelisky, RL Sell, PJ MacFarlan, and LA Snow. 2004. "Effect of Gadolinium Doping on the Air Oxidation of Uranium Dioxide." In Scientific Basis for Nuclear Waste Management XXVIII. Materials Research Society Symposium Proceeding, vol. 824, pp. 211-216.  Materials Research Society, Warrendale, PA. 
  • Strachan DM, RD Scheele, JP Icenhower, EC Buck, AE Kozelisky, RL Sell, RJ Elovich, and WC Buchmiller. 2004. Radiation Damage Effects in Candidate Ceramics for Plutonium Immobilization: Final ReportPNNL-14588, Pacific Northwest National Laboratory, Richland, WA. 

2003

  • Strachan DM, RD Scheele, AE Kozelisky, and RL Sell. 2003. Effects of Self Irradiation from 238Pu on Candidate Ceramics for Plutonium ImmobilizationPNNL-14232, Pacific Northwest National Laboratory, Richland, WA. 
  • Donald IW, B Metcalfe, RD Scheele, and DM Strachan. 2003. "A CERAMIC WASTEFORM FOR THE IMMOBILIZATION OF CHLORIDE-CONTAINING RADIOACTIVE WASTES." In 10th International Ceramics Congress. Advances in Science and Technology, vol. 33, pp. 233-240.  Techna Group, Faenza, Italy. 
  • Hanson BD, SE Cumblidge, RD Scheele, and RL Sell. 2003. "The Effect of Rare Earth Dopants on UO2 Oxidation." In Annual Meeting of the American Nuclear Society, San Diego, June 1-5 2003, published in the Transactions of the American Nuclear Society, vol. 88, pp. 414-415.  American Nuclear Society, La Grange Park, IL. 
  • Metcalfe B, IW Donald, RD Scheele, and DM Strachan. 2003. "Preparation and Characterization of a Calcium Phosphate Ceramic for the Immobilization of Chloride-containing Intermediate Level Waste." In Materials Research Society Fall Meeting - Symposium II Ė Scientific Basis for Nuclear Waste Management XXVI, December 2-5, 2002, Boston, MA: MRS Proceedings, vol. 757, ed. RJ Finch and DB Bullen, p. Article No. II6.6.  Materials Research Society, Warrendale, PA.  doi:10.1557/PROC-757-II6.6

2002

  • Icenhower JP, BP McGrail, DM Strachan, RD Scheele, VL Legore, EA Cordova, JL Steele, CF Brown, and MJ O'Hara. 2002. "Experimental Determination of the Dissolution Kinetics of Plutonium- and Uranium-Bearing Ceramics at 90 degrees C." In Scientific Basis for Nuclear Waste Management XXV, Materials Research Society Symposium Proceedings, vol. 713, ed. B.P. McGrail and G.A. Cragnolino, pp. 433-440 paper no. JJ11.38.  Materials Research Society, Warrendale, PA. 
  • Strachan DM, RD Scheele, AE Kozelisky, RL Sell, HT Schaef, MJ O'Hara, CF Brown, and WC Buchmiller. 2002. "Radiation Damage in Titanate Ceramics Used for Plutonium Immobilization." In Scientific Basis for Nuclear Waste Management XXV, vol. 713, pp. 461-468.  Materials Research Society, Warrendale, PA. 

2001

  • Peurrung AJ, RJ Arthur, RJ Elovich, BD Geelhood, RT Kouzes, SL Pratt, RD Scheele, and RL Sell. 2001. "The 871 keV Gamma Ray From O-17 and the Identification of Plutonium Oxide." Nuclear Instruments and Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment 474(3):285-293. 
  • Strachan DM, RD Scheele, JP Icenhower, AE Kozelisky, RL Sell, VL Legore, HT Schaef, MJ O'Hara, CF Brown, and WC Buchmiller. 2001. The Status of Radiation Damage ExperimentsPNNL-13721, Pacific Northwest National Laboratory, Richland, WA. 

2000

Nuclear Chemistry & Engineering

Additional Information

Primary Contacts

Karl Pool
Analytical Support Operations Lead

Don Bachand
RPL R&D Operations Manager