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Energy and Environment Directorate

Thomas Brouns

Thomas Brouns

Pacific Northwest National Laboratory
PO Box 999
Richland, WA 99352
(509) 372-6265


Mr. Brouns manages the Clean Fossil Energy (CFE) market sector within Pacific North­west National Laboratory’s Energy and Environment Directorate. Mr. Brouns brings to this position more than two decades of experience in chemical processing and subsurface research and simulation, which are central to the CFE market sector activ­ities in emissions management, including carbon capture and geologic sequestration. Mr. Brouns also possesses extensive knowledge of the U.S. Department of Energy’s Hanford Site and environmental cleanup strategies and technologies. Utilizing his strong relationship management and team building skills, Mr. Brouns has established a solid reputation for capably directing large, complex demonstration and research and development programs for DOE and commercial clients, and has successfully brought together universities, industry, international institutions, and national labora­tories in collaborative efforts to develop, demonstrate, and deploy advanced tech­nologies. He assumed his current role in August 2010 and prior to that served as the manager of EED’s Environmental Health and Remediation market sector. Mr. Brouns joined PNNL in 1987.

Education and Credentials

  • B.S., Chemical Engineering, Washington State University
  • M.S., Chemical Engineering, Washington State University

PNNL Publications


  • Brouns T.M., A.C. Rohay, R.R. Youngs, C.J. Costantino, and L.F. Miller. 2008. "Technical Basis for Certification of Seismic Design Criteria for the Waste Treatment Plant, Hanford, Washington." In Waste Management '08: Phoenix Rising: Moving Forward in Waste Management, Paper No. 8188. Tucson, Arizona:WM Symposia, Inc. PNNL-SA-58722.



  • Bagaasen L.M., T.M. Brouns, M.L. Elliott, P.R. Hrma, D. Kim, J. Matyas, and E.M. Pierce, et al. 2006. "Transport of Technetium and Rhenium into Refractory Materials during Bulk Vitrification." In Waste Management '06: Global Accomplishments in Environmental and Radioactive Waste Management: Education and Opportunity for the Next Generation of Waste Management Professionals. Tucson, Arizona:WM Symposia. PNNL-SA-48697.
  • Brouns T.M., and K.L. Manke. 2006. Environmental Solutions: A Summary of Contributions for FY05: PNNL Contributions to CH2M HILL Hanford Group, Inc. PNNL-15642. Richland, WA: Pacific Northwest National Laboratory. Environmental Solutions: A Summary of Contributions for FY05: PNNL Contributions to CH2M HILL Hanford Group, Inc.



  • Raymond R.E., R.W. Powell, D.W. Hamilton, W.A. Kitchen, B.M. Mauss, and T.M. Brouns. 2004. "Initial Selection of Supplemental Treatment Technologies for Hanford's Low-Activity Tank Waste." In WM'04. Waste Management 2004 Symposium Proceeding: HLW, LLW, Mixed, Hazardous Wastes and Environmental Restoration - Working Towards a Cleaner Environment, Feburary 29- March 4, 2004, Tuscon, AZ., 21 pages, WM-4524. Tucson, Arizona:WM Symposia, Inc. PNNL-SA-39463.



  • Allen R.W., T.M. Brouns, B.A. Carteret, R.L. Gilchrist, S.N. Schlahta, J.H. Westsik, and L.R. Roeder-Smith. 1999. TFA FY00-FY04 Multiyear Program Plan. PNNL-12264. Richland, WA: Pacific Northwest National Laboratory. TFA FY00-FY04 Multiyear Program Plan

Energy and Environment

Core Research Areas