Technician
Technician

Biography

Andy Zwoster is an experienced technician in microbiological, chemical process and mechanical fields. His experience includes operation, maintenance and modifications to experimental reactor systems. Research areas include the study of filamentous fungi for conversion of biomass feedstocks to fuels or chemical products and CO2 capture from exhaust gas emission sources.

Education

  • AAAS Biotechnology SCC

Publications

2024

2023

  • Elen M., M.K. Hasan, D. Li, Y. Ni, M.P. Spencer, M.T. Murphy, and A. Zwoster, et al. 2023. Dose Rate Effects on Degradation of Nuclear Power Plant Electrical Cable Insulation at a Common Dose. PNNL-34068. Richland, WA: Pacific Northwest National Laboratory. Dose Rate Effects on Degradation of Nuclear Power Plant Electrical Cable Insulation at a Common Dose
  • Jiang Y., P.M. Mathias, R.F. Zheng, C.J. Freeman, D. Barpaga, D. Malhotra, and P.K. Koech, et al. 2023. "Energy-effective and low-cost carbon capture from point-sources enabled by water-lean solvents." Journal of Cleaner Production 388. PNNL-SA-176711. doi:10.1016/j.jclepro.2022.135696

2022

  • Li D., A. Sriraman, Y. Ni, I.R. Ellis, M.P. Spencer, A. Zwoster, and L.S. Fifield. 2022. "Dose Rate Effects in the Aging of Nuclear Cable Insulation Subjected to Gamma Radiation." In IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2022), October 30-November 2, 2022, Denver, CO, 372-375. Piscataway, New Jersey:IEEE. PNNL-SA-175819. doi:10.1109/CEIDP55452.2022.9985382

2021

  • Fifield L.S., Y. Ni, A. Sriraman, W.K. Fuchs, D. Li, M. Pallaka, and M.P. Spencer, et al. 2021. Evaluation of Oxygen Consumption as a Sensitive Measure of Electrical Cable Polymer Insulation Degradation. PNNL-31954. Richland, WA: Pacific Northwest National Laboratory. Evaluation of Oxygen Consumption as a Sensitive Measure of Electrical Cable Polymer Insulation Degradation
  • Fuchs W.K., M.P. Spencer, D. Li, Y. Ni, A. Zwoster, and L.S. Fifield. 2021. "Correlation of Diffusion Limited Oxidation to Color Difference in Accelerated Aging of Electrical Cable Insulation." In IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2021), December 12-15, 2021, Vancouver, BC, 639-642. Piscataway, New Jersey:IEEE. PNNL-SA-163670. doi:10.1109/CEIDP50766.2021.9705346
  • Li D., M.P. Spencer, M. Pallaka, T.T. Bisel, Y. Ni, A. Zwoster, and M.K. Murphy, et al. 2021. "Principal Component Analysis of Nuclear Cable Insulation Subjected to Elevated Temperature and Gamma Radiation." In Electrical insulation conference (EIC 2021), June 7-28, 2021, Virtual, Online, 185 - 188. Piscataway, New Jersey:IEEE. PNNL-SA-159344. doi:10.1109/EIC49891.2021.9612244
  • Li D., M.P. Spencer, Y. Ni, M. Pallaka, A. Zwoster, and L.S. Fifield. 2021. "Application of Principal Component Analysis for the Monitoring of the Aging Process of Nuclear Electrical Cable Insulation." In IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2021), December 12-15, 2021, Vancouver, BC, 514-517. Piscataway, New Jersey:IEEE. PNNL-SA-163496. doi:10.1109/CEIDP50766.2021.9705438
  • Pallaka M., W.K. Fuchs, M.P. Spencer, A.L. Arteaga, A. Zwoster, and L.S. Fifield. 2021. "Detection of diffusion limited oxidation in thermally aged ethylene propylene rubber cable insulation material." In IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2021), December 12-15, 2021, Vancouver, BC, 526-530. Piscataway, New Jersey:IEEE. PNNL-SA-163682. doi:10.1109/CEIDP50766.2021.9705460

2020

  • Spencer M.P., A. Zwoster, T.T. Bisel, M.K. Murphy, and L.S. Fifield. 2020. "Sequential versus Simultaneous Aging of EPDM Nuclear Cable Insulation Subjected to Elevated Temperature and Gamma Radiation." In IEEE Conference on Electrical Insulation and Dielectric Phenomena (CEIDP 2020), October 18-30, 2020, East Rutherford, NJ, 470-474. Piscataway, New Jersey:IEEE. PNNL-SA-153882. doi:10.1109/CEIDP49254.2020.9437502
  • Spencer M.P., A. Zwoster, T.T. Bisel, M.K. Murphy, and L.S. Fifield. 2020. "Sequential versus Simultaneous Aging of XLPE Nuclear Cable Insulation Subjected to Elevated Temperature and Gamma Radiation." In IEEE Electrical Insulation Conference (EIC 2020), June 22-July 3, 2020, Knoxville, TN, 50-53. Piscataway, New Jersey:IEEE. PNNL-SA-150824. doi:10.1109/EIC47619.2020.9158657
  • Zheng R.F., D. Barpaga, P.M. Mathias, D. Malhotra, P.K. Koech, Y. Jiang, and M. Bhakta, et al. 2020. "A Single-Component Water-Lean Post-Combustion CO2 Capture Solvent with Exceptionally Low Operational Heat and Total Costs of Capture - Comprehensive Experimental and Theoretical Evaluation." Energy & Environmental Science 13, no. 11:4106-4113. PNNL-SA-153508. doi:10.1039/D0EE02585B

2018

  • Fifield L.S., M. Correa, Y. Shin, and A. Zwoster. 2018. "Insight into Thermal Aging of Jacket-bonded Ethylene-propylene Rubber Cable Insulation." In Transactions of the American Nuclear Society, 118, 583-586. La Grange Park, Illinois:American Nuclear Society. PNNL-SA-132107.

2017

  • Whyatt G.A., A. Zwoster, F. Zheng, R.J. Perry, B.R. Wood, I. Spiry, and C.J. Freeman, et al. 2017. "Measuring CO2 and N2O Mass Transfer into GAP-1 CO2-Capture Solvents at Varied Water Loadings." Industrial Engineering Chemistry Research 56, no. 16:4830-4836. PNNL-SA-123483. doi:10.1021/acs.iecr.7b00193

2016

  • Whyatt G.A., C.J. Freeman, A. Zwoster, and D.J. Heldebrant. 2016. "Measuring Nitrous Oxide Mass Transfer into Non-Aqueous CO2BOL CO2 Capture Solvents." Industrial and Engineering Chemistry Research 55, no. 16:4720-4725. PNNL-SA-115599. doi:10.1021/acs.iecr.6b00390
  • Zheng F., D.J. Heldebrant, P.M. Mathias, P.K. Koech, M. Bhakta, C.J. Freeman, and M.D. Bearden, et al. 2016. "Bench-Scale Testing and Process Performance Projections of CO2 Capture by CO2-Binding Organic Liquids (CO2BOLs) With and Without Polarity-Swing-Assisted Regeneration." Energy and Fuels 30, no. 2:1192-1203. PNNL-SA-113072. doi:10.1021/acs.energyfuels.5b02437

2015

  • Mathias P.M., F. Zheng, D.J. Heldebrant, A. Zwoster, G.A. Whyatt, C.J. Freeman, and M.D. Bearden, et al. 2015. "Measuring the Absorption Rate of CO2 in Nonaqueous CO2-Binding Organic Liquid Solvents with a Wetted-Wall Apparatus." ChemSusChem 8, no. 21:3617-3625. PNNL-SA-107295. doi:10.1002/cssc.201500288

2013

  • Mathias P.M., K. Afshar, F. Zheng, M.D. Bearden, C.J. Freeman, T. Andrea, and P.K. Koech, et al. 2013. "Improving the Regeneration of CO2-Binding Organic Liquids with a Polarity Change." Energy and Environmental Science 6, no. 7:2233-2242. PNNL-SA-94359. doi:10.1039/C3EE41016A
  • Zhang J., I.V. Kutnyakov, P.K. Koech, A. Zwoster, C.J. Howard, F. Zheng, and C.J. Freeman, et al. 2013. "CO2-Binding-Organic-Liquids-Enhanced CO2 Capture using Polarity-Swing-Assisted Regeneration." Energy Procedia 37. PNNL-SA-91349. doi:10.1016/j.egypro.2013.05.113

2011

  • Collett J.R., R.W. Heck, and A. Zwoster. 2011. "Dissolved carbonic anhydrase for enhancing post-combustion carbon dioxide hydration in aqueous ammonia." Energy Procedia 4. PNNL-SA-86038. doi:10.1016/j.egypro.2011.01.047