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Dr. David J. Heldebrant is a Chief Scientist and Team Lead of the Separations Materials team under the Advanced Energy Systems Group in the Energy Processes and Materials Division at Pacific Northwest National Laboratory. Dr. Heldebrant joined PNNL as a post-doctoral research scientist in 2005.
Dr. Heldebrant's current research focuses on applying the principles of Green Chemistry to improve atom and energy efficiency and reduce toxicity of chemical processes and to make energy-related process more environmentally benign. Focus areas are on developing materials that can perform multiple tasks to reduce waste and improve energy efficiency in the fields of chemical separations and chemical conversions, applying these principles in areas of industrial gas separations, liquid/liquid separations and catalysis. The work focuses on the development of organic gas-separating liquids that can chemical remove CO2, SOx, and H2S from combustion, gasification or natural gas streams through applied and fundamental studies of gas absorption kinetics, thermodynamics and mechanistic studies.
Mr. Dagle’s research interests lie in the area of heterogeneous catalysis and chemical process development. Currently, Mr. Dagle manages projects for the Department of Energy’s Bioenergy Technologies Office (DOE-BETO) in the area of thermochemical conversions. Research experience with multiple catalytic process applications include: steam reforming of hydrocarbons and bio-derived oxygenates for H2 production, conversion of bio-derived light oxygenates (e.g., ethanol, acetic acid) to fuels and chemicals, catalytic combustion, water-gas-shift catalysis, reactive distillation, syngas conversion technologies (e.g., synthesis of alcohols, transportation fuels, synthetic natural gas, and hydrogen), and chemical synthesis (e.g., acetic acid, olefins, alcohols). Mr. Dagle also has development experience with integrating engineered catalysts within novel reactor architectures for process intensification purpose (e.g., meso- and micro-channel technology). His work has benefited clientele in both the government and private industry arena and has resulted in numerous journal articles, book chapters, and presentations. Responsibilities include keeping current with associated R&D technology areas, developing and writing proposals, leading projects, and mentoring of junior staff and students. Mr. Dagle has authored > 30 peer reviewed publications, 6 book chapters, 10 issued U.S. patents, and 1 R&D 100 award (2014).
A strong science, technology, and engineering foundation enables Sandia's mission through a capable research staff working at the forefront of innovation, collaborative research with universities and companies, and discretionary research projects with significant potential impact. Sandia is committed to hiring the nation’s best and brightest, equipping them with world class tools and facilities while providing opportunities to collaborate with technical experts from many different scientific disciplines. To ensure our fundamental science and engineering core is vibrant and cutting edge, Sandia has chosen to invest in the following research foundations: Bioscience, Computing and Information Science, Engineering Science, Geoscience, Materials Science, Nanodevices and Microsystems, Radiation Effects and High Energy Density Science. These diverse research areas enable a multidisciplinary approach to resolve emerging national security problems.
- Advanced Test Reactor Complex, the nation’s premier resource for fuels and material irradiation testing, nuclear safety research and nuclear isotope production;.
- Materials and Fuels Complex, the center of DOE’s advanced nuclear fuel development initiatives and post-irradiation capabilities;.
- Research and Education Campus, the front door to INL and the center of INL’s computing capabilities, with a variety of research, administrative, educational and technical support facilities.
INL is responding to the growing demands of our modern world with innovations in transportation systems, renewable energy integration, advanced manufacturing, biomass feedstock assembly and environmental sustainability. INL also helps the U.S. departments of Defense and Homeland Security by using its unique capabilities to support efforts to secure industrial control systems from cyber and nuclear threats, develop advanced nuclear facility safeguards, and design advanced wireless sensors and protocols. INL enables explosives impact analysis, armor development and radiological training. To enrich and focus this research and development portfolio, INL is committed to collaboration with regional, national and international leaders in academia, industry and government.