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Jagannadha Bontha

Jagannadha Bontha

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352

Education and Credentials

  • Ph.D., Chemical Engineering, Tulane University, New Orleans, LA
  • M.E., Chemical Engineering, Tulane University, New Orleans, LA
  • B.Tech., Chemical Engineering, Andhra University, Visakhapatnam, India

PNNL Publications

2015

  • Gauglitz P.A., J.R. Bontha, R.C. Daniel, L.A. Mahoney, S.D. Rassat, B.E. Wells, and J. Bao, et al. 2015. Hydrogen Gas Retention and Release from WTP Vessels: Summary of Preliminary Studies. PNNL-24255. Richland, WA: Pacific Northwest National Laboratory.

2014

  • Schonewill P.P., P.A. Gauglitz, R.W. Shimskey, K.M. Denslow, M.R. Powell, G.K. Boeringa, and J.R. Bontha, et al. 2014. Evaluation of Gas Retention in Waste Simulants: Tall Column Experiments. PNNL-23340; DSGREP-RPT-005, Rev.0. Richland, WA: Pacific Northwest National Laboratory.

2013

  • Bontha J.R., P.A. Gauglitz, D.E. Kurath, H.E. Adkins, C.W. Enderlin, J. Blanchard, and R.C. Daniel, et al. 2013. "Experimental Challenges and Successes in Measuring Aerosol Concentrations at Prototypic Spray Conditions Encountered at the Hanford Waste Treatment and Immobilization Plant - 13327." In Waste Management Symposia (WM2013): International Collaboration and Continuous Improvement, February 24-28, 2013, Phoenix, Arizona. Tempe, Arizona:WM Symposia. PNNL-SA-92681.
  • Daniel R.C., P.A. Gauglitz, C.A. Burns, M.S. Fountain, R.W. Shimskey, J.M. Billing, and J.R. Bontha, et al. 2013. Large-Scale Spray Releases: Additional Aerosol Test Results. PNNL-22415; WTP-RPT-221 Rev.0. Richland, WA: Pacific Northwest National Laboratory.
  • Denslow K.M., J.R. Bontha, H.E. Adkins, J.W. Jenks, D.F. Hopkins, M.G. Thien, and S.E. Kelly, et al. 2013. "System Performance Testing of the Pulse-Echo Ultrasonic Instrument for Critical Velocity Determination during Hanford Tank Waste Transfer Operations - 13584." In Annual Waste Management Symposium (WM2013): International Collaboration and Continuous Improvement, February 24-28, 2013, Phoenix, Arizona, 7, 5916-5938. Tempe, Arizona:WM Symposia. PNNL-SA-92964.
  • Gauglitz P.A., L.A. Mahoney, P.P. Schonewill, J.R. Bontha, J. Blanchard, D.E. Kurath, and R.C. Daniel, et al. 2013. "Aerosol Formation from High-Pressure Sprays for Supporting the Safety Analysis for the Hanford Waste Treatment and Immobilization Plant." In WM 2013: Waste Management Conference: International Collaboration and Continuous Improvement, February 24-28, 2013, Phoenix, Arizona, Paper No. WM-13183. Tempe, Arizona:WM Symposia. PNNL-SA-92454.

2012

  • Denslow K.M., J.R. Bontha, H.E. Adkins, J.W. Jenks, and D.F. Hopkins. 2012. Hanford Tank Farms Waste Feed Flow Loop Phase VI: PulseEcho System Performance Evaluation. PNNL-22029. Richland, WA: Pacific Northwest National Laboratory.
  • Denslow K.M., J.R. Bontha, H.E. Adkins, J.W. Jenks, C.A. Burns, P.P. Schonewill, and D.F. Hopkins, et al. 2012. "Continued Evaluation of the Pulse-Echo Ultrasonic Instrument for Critical Velocity Determination during Hanford Tank Waste Transfer Operations." In Waste Managemetn Symposium (WM 2012): Improving the Future in Waste Management, February 26-March 1, 2012, Phoenix, Arizona, Paper No. 12518. Tuscson, Arizona:Waste Management Symposia Inc. PNNL-SA-85110.
  • Schonewill P.P., P.A. Gauglitz, J.R. Bontha, R.C. Daniel, D.E. Kurath, H.E. Adkins, and J.M. Billing, et al. 2012. Large-Scale Spray Releases: Initial Aerosol Test Results. PNNL-21333; WTP-RPT-217 Rev.0. Richland, WA: Pacific Northwest National Laboratory.

2011

  • Bontha J.R., K.M. Denslow, H.E. Adkins, J.W. Jenks, C.A. Burns, P.P. Schonewill, and G.P. Morgen, et al. 2011. "EVALUATION OF THREE ULTRASONIC INSTRUMENTS FOR CRITICAL VELOCITY DETERMINATION DURING HANFORD TANK WASTE TRANSFER OPERATIONS - 11121." In 37th Annual Radioactive Waste Management Symposium (WM 2011): Global Achievements and Challenges in Waste Management, February 27-March 3, 2011, Phoenix, Arizona, 5, 3999-4013. Tempe, Arizona:WM Symposia. PNNL-SA-77135.
  • Denslow K.M., J.W. Jenks, J.R. Bontha, H.E. Adkins, C.A. Burns, P.P. Schonewill, and N.N. Bauman, et al. 2011. Hanford Tank Farms Waste Certification Flow Loop Phase IV: PulseEcho Sensor Evaluation. PNNL-20350 FINAL. Richland, WA: Pacific Northwest National Laboratory.
  • Enderlin C.W., J.R. Bontha, J.A. Bamberger, and F. Nigl. 2011. "NON-NEWTONIAN FLUID CAVERN AND NEWTONIAN CLOUD HEIGHT TESTS TO CHARACTERIZE PULSE JET MIXER OPERATION." In Proceedings of ASME-JSME-KSME Joint Fluids Engineering Conference July 24-29, 2011, Hamamatsu, JAPAN, 2, 135-154; Paper No. AJK2011-31025. New York, New York:ASME. PNNL-SA-80105. doi:10.1115/AJK2011-31025

2010

  • Bamberger J.A., P.A. Meyer, P.A. Scott, H.E. Adkins, B.E. Wells, J. Blanchard, and K.M. Denslow, et al. 2010. Hanford Tank Farms Waste Certification Flow Loop Test Plan. PNNL-18936. Richland, WA: Pacific Northwest National Laboratory.
  • Bontha J.R., J.W. Jenks, G.P. Morgen, T.J. Peters, W.A. Wilcox, H.E. Adkins, and C.A. Burns, et al. 2010. Test Loop Demonstration and Evaluation of Slurry Transfer Line Critical Velocity Measurement Instruments. PNNL-19441 Rev. 0. Richland, WA: Pacific Northwest National Laboratory.
  • Daniel R.C., J.M. Billing, J.R. Bontha, C.F. Brown, P.W. Eslinger, B.D. Hanson, and J.L. Huckaby, et al. 2010. EFRT M-12 Issue Resolution: Comparison of Filter Performance at PEP and CUF Scale. PNNL-18498 Rev 1; WTP-RPT-185 Rev 1. Richland, WA: Pacific Northwest National Laboratory.

2009

  • Bontha J.R., F. Nigl, D.R. Weier, R.J. Leigh, E.D. Johnson, W.A. Wilcox, and D.M. Pfund, et al. 2009. PJM Controller Testing with Prototypic PJM Nozzle Configuration. PNNL-18267. Richland, WA: Pacific Northwest National Laboratory.
  • Daniel R.C., J.M. Billing, J.R. Bontha, C.F. Brown, P.W. Eslinger, B.D. Hanson, and J.L. Huckaby, et al. 2009. EFRT M-12 Issue Resolution: Comparison of Filter Performance at PEP and CUF Scale. PNNL-18498. Richland, WA: Pacific Northwest National Laboratory.
  • Kurath D.E., B.D. Hanson, M.J. Minette, D.L. Baldwin, B.M. Rapko, L.A. Mahoney, and P.P. Schonewill, et al. 2009. Pretreatment Engineering Platform Phase 1 Final Test Report. PNNL-18894; WTP-RPT-197 Rev 0. Richland, WA: Pacific Northwest National Laboratory.
  • Lin Y., D. Choi, J. Wang, and J.R. Bontha. 2009. "Nanomaterials-Enhanced Electrically Switched Ion Exchange Process for Water Treatment." In Nanotechnology Applications for Clean Water, edited by M. Savage, et al. 179-189. Norwich, New York:William Andrew. PNNL-SA-59140.
  • Pfund D.M., J.R. Bontha, T.E. Michener, F. Nigl, S.T. Yokuda, R.J. Leigh, and E.C. Golovich, et al. 2009. Pulse Jet Mixer Overblow Testing for Assessment of Loadings During Multiple Overblows. PNNL-17231 Rev. 1. Richland, WA: Pacific Northwest National Laboratory.

2008

  • Bamberger J.A., P.A. Meyer, J.R. Bontha, J.A. Fort, F. Nigl, J.M. Bates, and C.W. Enderlin, et al. 2008. "EVALUATING PULSE JET MIXING WITH NON-NEWTONIAN SLURRIES." In Proceedings of the ASME International Mechanical Engineering Congress and Exposition, IMECE 2007, 8, 1909-1930. New York, New York:American Society Mechanical Engineers. PNWD-SA-7907.
  • Pfund D.M., J.R. Bontha, T.E. Michener, F. Nigl, S.T. Yokuda, R.J. Leigh, and E.C. Golovich, et al. 2008. Pulse Jet Mixer Overblow Testing for Assessment of Loadings During Multiple Overblows. PNNL-17231. Richland, WA: Pacific Northwest National Laboratory.

2006

  • Brooks K.P., S.D. Rassat, J. Hu, V.S. Stenkamp, S.N. Schlahta, J.R. Bontha, and J.D. Holladay, et al. 2006. "Development of a Microchannel In Situ Propellant Production System." In Space Technology and Applications International Forum--STAIF 2006, edited by MS El-Genk, 813, 111-1121. Melville, New York:American Institute of Physics. PNWD-SA-7376.
  • Lin Y., X. Cui, and J.R. Bontha. 2006. "Electrically Controlled Anion Exchange Based on Polypyrrole and Carbon Nanotubes Nanocomposite for Perchlorate Removal." Environmental Science & Technology 40, no. 12:4004-4009. PNNL-SA-45565.

2000

  • Bontha J.R., J.A. Bamberger, T.D. Hylton, and T.H. May. 2000. Qualification of Three On-line Slurry Monitoring Devices for Application during Waste Retrieval Operations at DOE Sites. PNNL-13358. Richland, WA: Pacific Northwest National Laboratory.
  • Bontha J.R., N.G. Colton, E.A. Daymo, T.D. Hylton, C.K. Bayne, and T.H. May. 2000. Qualification of the Lasentec M600P Particle Size Analyzer and the Red Valve Model 1151 Pressure Sensor. PNNL-13064. Richland, WA: Pacific Northwest National Laboratory.

1999

  • Bontha J.R., and D.I. Kaplan. 1999. "Immobilization or recovery of chlorinated hydrocarbons from contaminated groundwater using clathrate hydrates: A proof-of-concept." Environmental Science & Technology 33, no. 7:1051-1055. PNNL-SA-31598.

1998

  • Brooks K.P., J.R. Bontha, G.R. Golcar, R.L. Myers, K.G. Rappe, and D.R. Rector. 1998. Bench-Scale Enhanced Sludge Washing and Gravity Settling of Hanford Tank S-107 Sludge. PNNL-12010. Richland, WA: Pacific Northwest National Laboratory.

Experimental and Computational Engineering

Additional Information