Education and Credentials

• Bachelor's Degree, Chemical Engineering
• Doctorate, Chemical Engineering

Affliliations and Professional Service

• Fellow, American Institute of Chemical Engineers (Inducted October 2017)
• Session chair at AIChE national meetings, Waste Management and Separation Science Symposiums
• Peer reviewer for Separation Science and Technology and Journal of Membrane Science
• Author/co-author of 30 peer reviewed journal articles.

Selected Publications

2015

• Schonewill PP, RC Daniel, RW Shimskey, CA Burns, JM Billing, and RA Peterson. 2015. "Long-Time Performance of a Stainless Steel Crossflow Filter with Simulated Hanford Tank Waste," Chemical Engineering Research & Design 102:69-79. doi:10.1016/j.cherd.2015.06.016

2014

• Russell RL, DE Rinehart, and RA Peterson. 2014. Ion Exchange Testing with SRF Resin FY 2012. PNNL-21645, Rev 1; WTP-RPT-223, Rev 1, Pacific Northwest National Laboratory, Richland, WA. 
• Russell RL, DE Rinehart, and RA Peterson. 2014. Organic Separation Test Results. PNNL-23643; RPT-66611-001; Rev 0, Pacific Northwest National Laboratory, Richland, WA. 

2013

• Fountain MS, RT Brigantic, and RA Peterson. 2013. Statistical Methods and Tools for Hanford Staged Feed Tank Sampling. PNNL-22901, Pacific Northwest National Laboratory, Richland, WA. 
• Herman CC, DJ Adamson, DT Herman, DK Peeler, MR Poirier, SH Reboul, ME Stone, RA Peterson, J Chun, JA Fort, JD Vienna, and BE Wells. 2013. Preliminary Assessment of the Hanford Tank Waste Feed Acceptance and Product Qualification Programs. PNNL-22116, Pacific Northwest National Laboratory, Richland, WA. 
• Neeway JJ, N Qafoku, CF Brown, and RA Peterson.  2013. "Characterization and Leaching Tests of the Fluidized Bed Steam Reforming (FBSR) Waste Form for LAW Immobilization," In Proceedings of the Annual Waste Management Symposium (WM2013): International Collaboration and Continuous Improvement, February 24-28, 2013, Phoenix, AZ, Vol. 3, pp. 2268-2275, Paper No. 13400. WM Symposia, Tucson, AZ. 
• Rapko BM, SA Bryan, JL Bryant, S Chatterjee, MK Edwards, JY Houchin, TJ Janik, TG Levitskaia, JM Peterson, RA Peterson, SI Sinkov, FN Smith, and RS Wittman. 2013. Development of a Chemistry-Based, Predictive Method for Determining the Amount of Non-Pertechnetate Technetium in the Hanford Tanks: FY 2012 Progress Report . PNNL-22173, Pacific Northwest National Laboratory, Richland, WA. 
• Rapko BM, SA Bryan, S Chatterjee, MK Edwards, TG Levitskaia, JM Peterson, RA Peterson, and SI Sinkov. 2013. Investigations Into the Nature of Alkaline Soluble, Non-Pertechnetate Technetium. PNNL-22957; EMSP-RPT-018, Pacific Northwest National Laboratory, Richland, WA. 
• Russell RL, DE Rinehart, and RA Peterson. 2013. Ion Exchange Testing with SRF Resin FY2012. PNNL-21645; WTP-RPT-223, Pacific Northwest National Laboratory, Richland, WA. 
• Um W, G Wang, HB Jung, and RA Peterson. 2013. Technetium Removal Using Tc-Goethite Coprecipitation. PNNL-22967; EMSP-RPT-017, Pacific Northwest National Laboratory, Richland, WA. 
• Um W, HB Jung, G Wang, JH Westsik, Jr, and RA Peterson. 2013. Characterization of Technetium Speciation in Cast Stone. PNNL-22977; EMSP-RPT-015, Pacific Northwest National Laboratory, Richland, WA. 

2012

• Edwards MK, PP Schonewill, RW Shimskey, CM Niver, and RA Peterson. 2012. "Process Results for the Integrated Near-Tank Treatment System Pilot Demonstration," Separation Science and Technology 47(14-15):2115-2120. 
• Kim DS, RA Peterson, and MJ Schweiger. 2012. Fire Safety Tests for Spherical Resorcinol Formaldehyde Resin: Data Summary Report. PNNL-21321, Pacific Northwest National Laboratory, Richland, WA. 
• Kim DS, MJ Schweiger, and RA Peterson. 2012. Fire Safety Tests for Cesium-Loaded Spherical Resorcinol Formaldehyde Resin: Data Summary Report. PNNL-21490;WTP-RPT-220, Rev 0, Pacific Northwest National Laboratory, Richland, WA. 
• Russell RL, DE Rinehart, GN Brown, and RA Peterson. 2012. "Cesium Ion Exchange Loading Kinetics Testing with SRF Resin," Separation Science and Technology 47(14-15):2129-2135. 
• Russell RL, DE Rinehart, GN Brown, and RA Peterson. 2012. "Ion Exchange Temperature Testing with SRF Resin," In Waste Management Symposium (WM 2012): Improving the Future in Waste Management, February 26 - March 1, 2012, Phoenix, AZ, Paper No. 12088. Waste Management Symposia, Inc., Phoenix, AZ. 
• Russell RL, DE Rinehart, GN Brown, PP Schonewill, and RA Peterson. 2012. Ion Exchange Kinetics Testing with SRF Resin. PNNL-21109; WTP-RPT-214, Pacific Northwest National Laboratory, Richland, WA. 
• Schonewill PP, MK Edwards, C Smith, R Tranbarger, RW Shimskey, and RA Peterson. 2012. "Near-Tank Treatment of Hanford Tank Waste: Pilot-Scale Testing." In WM 2012: Improving the Future in Waste Management, February 26 - March 1, 2012, Phoenix, Arizona,Paper No. 12107. WM Symposia, Tucson, AZ. 
• Schonewill PP, MK Edwards, RW Shimskey, and RA Peterson. 2012. "Generating an Estimate of the Capacity of the Near-Tank Treatment System for Processing S/SX Tank Waste," Separation Science and Technology 47(14-15):2121-2128. 
• Schonewill PP, RC Daniel, RL Russell, RW Shimskey, CA Burns, JM Billing, BM Rapko, and RA Peterson. 2012. "Development of an S-Saltcake Simulant Using Crossflow Filtration as a Validation Technique," Separation Science and Technology 47(14-15):2098-2107. 

2011

• Billing JM, RC Daniel, RT Hallen, PP Schonewill, RW Shimskey, and RA Peterson. 2011. "Chemical cleaning of porous stainless steel cross-flow filter elements for nuclear waste applications," In American Filtration and Separations Society Annual Meeting, May 10-12, 2011, Lousiville, KY.  American Filtration & Separations Society, Kingwood, TX. 
• Brown GN, RL Russell, and RA Peterson. 2011. Small-Column Cesium Ion Exchange Elution Testing of Spherical Resorcinol-Formaldehyde. PNNL-20603, Pacific Northwest National Laboratory, Richland, WA. 
• Brown GN, RL Russell, and RA Peterson. 2011. "Small-Column Ion Exchange Testing of Spherical Resorcinol-Formaldehyde," In WM 2011: Global Achievements and Challenges in Waste Management, February 27- March 3, 2011, Phoenix, AZ, Paper No. 11379. WM Symposia, Tucson, AZ. 
• Daniel RC, JM Billing, CA Burns, RA Peterson, RL Russell, PP Schonewill, and RW Shimskey. 2011. Filtration Understanding: FY10 Testing Results and Filtration Model Update. PNNL-20299, Pacific Northwest National Laboratory, Richland, WA. 
• Daniel RC, JM Billing, RL Russell, RW Shimskey, HD Smith, and RA Peterson. 2011. "Integrated pore blockage-cake filtration model for crossflow filtration," Chemical Engineering Research & Design 89(7):1094-1103. doi:10.1016/j.cherd.2010.09.006
• Mahoney LA, D Neiner, RA Peterson, BM Rapko, RL Russell, and PP Schonewill. 2011. Alternative Sodium Recovery Technology�High Hydroxide Leaching: FY10 Status Report. PNNL-20166, Pacific Northwest National Laboratory, Richland, WA. 
• Shimskey RW, PP Schonewill, RC Daniel, and RA Peterson.  2011. "Complex Microfiltration Behavior of Metal Hydroxide Slurries," In WM 2011: Global Achievements and Challenges in Waste Management, February 28 - March 3, 2011, Phoenix, AZ, Paper No. 11376. WM Symposia, Tucson, AZ. 
• Smith C, R Schepens, DL Blanchard, Jr, RW Shimskey, and RA Peterson. 2011. "Pilot Scale Testing of Continuous Sludge Leaching Process and Near Tank Cesium Removal," In WM 2011: Global Achievements and Challenges in Waste Management, February 27 - March 3, 2011, Phoenix, AZ, Paper No. 11377. WM Symposia, Tucson, AZ. 
• Wilmarth WR, N Machara, RA Peterson, and SR Bush. 2011. "Status of the Development of In-Tank/At-Tank Separations Technologies for High-Level Waste Processing for the U.S. Department of Energy." In ASME 2011: 14th International Conference on Environmental Remediation and Radioactive Waste Management (ICEM2011): September 25-29, 2011, Reims, France, pp. 1145-1150; Paper No. ICEM2011-59109.  American Society of Mechanical Engineers , New York, NY.  doi:10.1115/ICEM2011-59109

2010

• Edwards MK, RL Russell, RW Shimskey, and RA Peterson. 2010. "Bench-Scale Testing of the Continuous Sludge Leaching Process," Separation Science and Technology 45(12-13):1807-1813.  doi:10.1080/01496395.2010.493799
• Daniel RC, PP Schonewill, RW Shimskey, and RA Peterson. 2010. A Brief Review of Filtration Studies for Waste Treatment at the Hanford Site. PNNL-20023, Pacific Northwest National Laboratory, Richland, WA. 
• Peterson RA, SK Fiskum, LA Snow, MK Edwards, and RW Shimskey. 2010. "Hanford Tank Waste: What is in it? Where is it going?" In Proceedings of the 36th Annual Radioactive Waste Management Symposium (WM 2010), March 7-11, 2010, Phoenix, AZ, vol. 5, pp. 3750-3761. Waste Management Symposia, Inc., Tucson, AZ. 
• Rapko BM, SA Jones, GJ Lumetta, and RA Peterson. 2010. Effect of Antifoam Agent on Oxidative Leaching of Hanford Tank Sludge Simulants. PNNL-19015; WTP-RPT-206, Rev 0, Pacific Northwest National Laboratory, Richland, WA. 
• Russell RL, RA Peterson, DE Rinehart, and WC Buchmiller. 2010. PEP Support: Laboratory Scale Leaching and Permeate Stability Tests. PNNL-18597 Rev 1; WTP-RPT-200, Rev 1, Pacific Northwest National Laboratory, Richland, WA. 
• Russell RL, and RA Peterson. 2010. "Boehmite Dissolution Model Based on Simulant Data," Industrial and Engineering Chemistry Research 49(10):4542-4545. 
• Russell RL, LA Snow, and RA Peterson. 2010. "Methods to avoid post-filtration precipitation in treatment of high-level waste," Separation Science and Technology 45(12-13):1814-1821. 

2009

• Billing JM, RC Daniel, DE Kurath, and RA Peterson. 2009. Bench-Scale Filtration Testing in Support of the Pretreatment Engineering Platform (PEP). PNNL-18673, Pacific Northwest National Laboratory, Richland, WA. 
• Edwards MK, SK Fiskum, RA Peterson, and RW Shimskey.  2009. "Leaching Characteristics of Hanford Ferrocyanide Wastes," Industrial and Engineering Chemistry Research 49(4):1792-1798. 
• Peterson RA, RL Russell, and LA Snow. 2009. "Boehmite Dissolution Studies Supporting High Level Waste Pretreatment - 9383," In Symposium on Waste Management: Waste Management for the Nuclear Renaissance, vol. 6, pp. 3794-3803.  WM Symposia Inc., Phoenix, AZ. 
• Wells BE, CW Enderlin, PA Gauglitz, and RA Peterson. 2009. Assessment of Jet Erosion for Potential Post-Retrieval K-Basin Settled Sludge. PNNL-18831, Pacific Northwest National Laboratory, Richland, WA. 
• Daniel RC, JM Billing, ML Luna, KJ Cantrell, RA Peterson, ML Bonebrake, RW Shimskey, and LK Jagoda. 2009. Characterization of Filtration Scale-Up Performance. PNNL-18117, Pacific Northwest National Laboratory, Richland, WA. 
• Edwards MK, JM Billing, DL Blanchard, Jr, EC Buck, AJ Casella, AM Casella, JV Crum, RC Daniel, KE Draper, SK Fiskum, LK Jagoda, ED Jenson, AE Kozelisky, PJ MacFarlan, RA Peterson, RW Shimskey, LA Snow, and RG Swoboda. 2009. Characterization, Leaching, and Filtration Testing for Tributyl Phosphate (TBP, Group 7) Actual Waste Sample Composites. PNNL-18119, Pacific Northwest National Laboratory, Richland, WA. 
• Fiskum SK, JM Billing, EC Buck, RC Daniel, KE Draper, MK Edwards, ED Jenson, AE Kozelisky, PJ MacFarlan, RA Peterson, RW Shimskey, and LA Snow. 2009. Laboratory Demonstration of the Pretreatment Process with Caustic and Oxidative Leaching Using Actual Hanford Tank Waste. PNNL-18007, Pacific Northwest National Laboratory, Richland, WA. 
• Fiskum SK, JM Billing, JV Crum, RC Daniel, MK Edwards, RW Shimskey, RA Peterson, PJ MacFarlan, EC Buck, KE Draper, and AE Kozelisky. 2009. Characterization, Leaching, and Filtrations Testing of Ferrocyanide Tank sludge (Group 8) Actual Waste Composite. PNNL-18120, Pacific Northwest National Laboratory, Richland, WA. 
• Lumetta GJ, EC Buck, RC Daniel, K Draper, MK Edwards, SK Fiskum, RT Hallen, LK Jagoda, ED Jenson, AE Kozelisky, PJ MacFarlan, RA Peterson, RW Shimskey, SI Sinkov, and LA Snow. 2009. Characterization, Leaching, and Filtration Testing for Bismuth Phosphate Sludge (Group 1) and Bismuth Phosphate Saltcake (Group 2) Actual Waste Sample Composites. PNNL-17992, Pacific Northwest National Laboratory, Richland, WA. 
• Russell RL, JM Billing, HD Smith, and RA Peterson. 2009. "Validation of Ultrafilter Performance Model Based on Systematic Simulant Evaluation," Industrial and Engineering Chemistry Research 48(22):10077-10086. 
• Russell RL, JM Billing, RA Peterson, DE Rinehart, and HD Smith. 2009. Development and Demonstration of Ultrafiltration Simulants. PNNL-18090, Pacific Northwest National Laboratory, Richland, WA. 
• Russell RL, RA Peterson, DE Rinehart, and JV Crum. 2009. Laboratory Tests on Post-Filtration Precipitation in the WTP Pretreatment Process. PNNL-18876; WTP-RPT-205 Rev 0, Pacific Northwest National Laboratory, Richland, WA. 
• Russell RL, RA Peterson, DE Rinehart, and WC Buchmiller. 2009. PEP Support Laboratory Leaching and Permeate Stability Tests. PNNL-18597; WTP-RPT-200, Rev 0, Pacific Northwest National Laboratory, Richland, WA. 
• Russell RL, RA Peterson, HD Smith, DE Rinehart, PM Aker, and EC Buck. 2009. Development and Characterization of Boehmite Component Simulant. PNNL-18176, Pacific Northwest National Laboratory, Richland, WA. 
• Russell RL, RA Peterson, HD Smith, DE Rinehart, PM Aker, and EC Buck. 2009. Development and Characterization of Boehmite Component Simulant. PNNL-18176 Rev 1, Pacific Northwest National Laboratory, Richland, WA. 
• Russell RL, HD Smith, DE Rinehart, and RA Peterson. 2009. Development and Characterization of Gibbsite Component Simulant. PNNL-18013, Pacific Northwest National Laboratory, Richland, WA. 
• Russell RL, WC Buchmiller, KJ Cantrell, RA Peterson, and DE Rinehart. 2009. Results of Aging Tests of Vendor-Produced Blended Feed Simulant. WPT-RPT-198, Rev 0; PNNL-18291, Pacific Northwest National Laboratory, Richland, WA. 
• Shimskey RW, JM Billing, EC Buck, AJ Casella, JV Crum, RC Daniel, KE Draper, MK Edwards, RT Hallen, AE Kozelisky, PJ MacFarlan, RA Peterson, and RG Swoboda. 2009. Filtration and Leach Testing for PUREX Cladding Sludge and REDOX Cladding Sludge Actual Waste Sample Composites. PNNL-18048, Pacific Northwest National Laboratory, Richland, WA. 
• Shimskey RW, JM Billing, EC Buck, RC Daniel, KE Draper, MK Edwards, JGH Geeting, RT Hallen, ED Jenson, AE Kozelisky, PJ MacFarlan, RA Peterson, LA Snow, and RG Swoboda. 2009. Filtration and Leach Testing for REDOX Sludge and S-Saltcake Actual Waste Sample Composites. PNNL-17965, Pacific Northwest National Laboratory, Richland, WA. 
• Smith HD, RL Russell, and RA Peterson. 2009. Simulated Waste for Leaching and Filtration Studies--Laboratory Preparation Procedure. PNNL-18701, Pacific Northwest National Laboratory, Richland, WA. 
• Snow LA, EC Buck, AJ Casella, JV Crum, RC Daniel, KE Draper, MK Edwards, SK Fiskum, LK Jagoda, ED Jenson, AE Kozelisky, PJ MacFarlan, RA Peterson, and RG Swoboda. 2009. Characterization and Leach Testing for PUREX Cladding Waste Sludge (Group 3) and REDOX Cladding Waste Sludge (Group 4) Actual Waste Sample Composites. PNNL-18054, Pacific Northwest National Laboratory, Richland, WA. 

2008

• Fiskum SK, EC Buck, RC Daniel, KE Draper, MK Edwards, TL Hubler, LK Jagoda, ED Jenson, AE Kozelisky, GJ Lumetta, PJ MacFarlan, BK McNamara, RA Peterson, SI Sinkov, LA Snow, and RG Swoboda. 2008. Characterization and Leach Testing for REDOX Sludge and S-Saltcake Actual Waste Sample Composites. PNNL-17368, Pacific Northwest National Laboratory, Richland, WA. 
• Rapko BM, GJ Lumetta, JR Deschane, and RA Peterson. 2008. "Process Development for Permanganate Addition During Oxidative Leaching of Hanford Tank Sludge Simulant,." Separation Science and Technology 43(9-10):2840-2858. doi:10.1080/01496390802121834
• Snow LA, GJ Lumetta, SK Fiskum, and RA Peterson. 2008. "Boehmite Actual Waste Dissolutions Studies," In Separation Science and Technology: Fifteenth Symposium on Separation Science and Technology for Energy Applications 43(9-10):2900-2916. Taylor & Francis Inc., Philadelphia, PA. doi:10.1080/01496390802152540

2007

• Peterson RA, GJ Lumetta, BM Rapko, and AP Poloski. 2007. "Modeling of Boehmite Leaching from Actual Hanford High-Level Waste Samples," Separation Science and Technology 42(8):1719-1730. 
• Peterson RA, JGH Geeting, and RC Daniel. 2007. "Estimation of Ultrafilter Performance Based on Characterization Data," Chemical Engineering and Technology 30(8):1050-1054. doi:10.1002/ceat.200700107
• Rapko BM, GJ Lumetta, JR Deschane, RA Peterson, and DL Blanchard, Jr. 2007. Process Development for Permanganate Addition During Oxidative Leaching of Hanford Tanks Sludges. PNNL-16794, Pacific Northwest National Laboratory, Richland, WA. 
• Snow LA, BM Rapko, AP Poloski, and RA Peterson. 2007. "Modeling of Boehmite Leaching from Actual Hanford High-Level Waste Samples," In WM 2007 - Global Accomplishments in Environmental and Radioactive Waste Management: Education and Opportunity for the Next Generation of Waste Management Professionals. WM Symposia, Tucson, AZ. 

2006

• Peterson RA, SK Fiskum, ST Arm, and DL Blanchard, Jr. 2006. "Cesium Removal Demonstration Using Selected Actual Waste Samples from the Hanford Reservation Tank Farm," Separation Science and Technology 41(11):2361-2371. 
• Geeting JGH, RT Hallen, and RA Peterson. 2006. "Ultrafilter Conditions for High Level Waste Sludge Processing," Separation Science and Technology 41(11):2313-2324. 

2005

• Geeting JGH, RT Hallen, and RA Peterson. 2005. "Optimization of Ultrafilter Feed Conditions Using Classical Filtration Models," Journal of Membrane Science 265(1-2):137-141. doi:10.1016/j.memsci.2005.05.008