Skills Summary

• Radiological Worker II
• Mössbauer Spectroscopy - experimental and theoretical
• Gas-Solid contact reactor instrument design and development
• Nuclear fuel cycle process modeling
• Electronic structure modeling - DFT and Hartree-Fock
•  Reactive transport modeling
• Thermodynamic modeling
• Synthetic inorganic and organometallic chemistry
• Analytical chemistry techniques - GC-MS, Raman/IR Microscopy, Solution NMR
• Solid State analytical techniques - Powder XRD, Solid-State NMR, AFM, TEM
• Pyrophoric and air-sensitive chemical and materials handling
• Nanomaterials handling
• Chemical Engineering 

Education and Credentials

California Institute of Technology; Pasadena, California - Doctorate of Philosophy: Chemical Engineering, June 2013; Masters of Science: Chemical Engineering, May 2011

North Carolina State University; Raleigh, North Carolina - Bachelors of Science: Paper Science and Engineering, May 2007; Bachelors of Science: Chemical Engineering, May 2007

Research Experience

Staff Scientist - Pacific Northwest National Laboratory; Richland, WA  Aug. 2014 - Present;

Postdoctoral Fellow - National Technical Nuclear Forensics - Pacific Northwest National Laboratory; Richland, WA  Apr. 2013 - Jul. 2014

Graduate Student Research at Caltech:

Organometallic Hydrogen Storage - Oct. 2010 - Apr. 2013

High Pressure Hydrogen Storage Instrument Development - Jan. 2010 - Oct. 2013

Complex Hydrides for Hydrogen Storage - Jan. 2009 - Jan. 2010

Nanomaterials Manipulation - Oct. 2007 - Dec. 2008

Laboratory Teaching Experience at Caltech:

Laboratory Senior Process Controls - Fall 2008, Fall 2012

TEM and Electron Diffraction Laboratory - Winter 2010

Materials Process Design Laboratory - Winter 2009

Peer-Reviewed Publications:

Kessler, S. H.; Abrecht, D. G.; Clark, R. A.; Schwantes, J. M. Vibrational Contributions to Phase Stability in the Mo-Ru System. J. Alloys Cmpds. 2016, 689, 969-976.

Gill, G. A.; Kuo, L.J.; Janke, C. J.; Park J.; Jeters R. T.; Bonheyo, G. T.; Pan, H. B.;Wai, C.;Khangaonkar, T.; Bianucci, L.;Wood, J. R.;Warner, M. G.; Peterson, S. M.; Abrecht D. G.; Mayes, R.; Tsouris, C.; Oyola, Y.; Strivens, J. E.; Schlafer, N. J.; Addleman, R. S.; Chouyyok,W.; Das, S.; Kim, J.; Buesseler, K. O.; Breier, C.; D’Alessandro, E. The Uranium from Seawater Program at PNNL: Overview of the Marine Testing, Adsorbent Characterization, Adsorbent Durability, Adsorbent Toxicity, and Deployment Studies, Ind. Eng. Chem. Res. 2016, 55, 4264-4277

Clark, R. A.; McNamara, B. K.; Barinaga, C. J.; Peterson, J. M.; Govind, N.; Andersen, A.;Abrecht, D. G.; Schwantes, J. M.; Ballou, N. E. Electron Ionization Mass Spectrum of Tellurium Hexafluoride. Inorganic Chemistry 2015, 54, 4821-4826.

Abrecht, D. G.; Schwantes, J. M.; Kukkadapu, R. K.; McDonald, B. S.; Eiden, G. C.; Sweet, L. E.; Real-Time Noise Reduction for Mössbauer Spectroscopy through Online Implementation of a Modified Kalman Filter. Nuclear Instruments and Methods in Physics Research, A 2015, 773, 66-71.

Abrecht, D. G.; Schwantes, J. M. Linear Free Energy Correlations for Fission Product Release from the Fukushima-Daiichi Nuclear Accident. Environmental Science & Technology 2014, 49. 3158-3166.

Felmy, A. R.; Moore, D. A.; Buck, E. C.; Conradson, S. D.; Kukkadapu, R. V.; Sweet, L. E.;Abrecht, D. G.; Ilton, E. S. The Solubility of ²⁴²PuO₂ in the Presence of Aqueous Fe(II): The Impact of Precipitate Preparation. Radiochimica Acta 2014, 102, 861-874.

Sweet, L. E.; Reilly, D. D.; Abrecht, D. G.; Buck, E. C.; Meier, D. E.; Su, Y.-F.; Brauer, C. S.;Schwantes, J. M.; Tonkyn, R. G.; Szecsody, J. E.; Blake, T. A.; Johnson, T. J. Spectroscopic Studies of the Several Isomers of UO₃. SPIE Proc. 2013, 8901, 890107.

Abrecht D. G.; Muñoz, J. A.; Smith, H. L.; Fultz, B. Spin-State Effects on the Thermal Dihydrogen Release from Solid-State [MH(η²-H₂)dppe₂]⁺ (M = Fe, Ru, Os) OrganometallicComplexes for Hydrogen Storage Applications. J. Phys. Chem. C 2014, 118, 1783-1792.

Abrecht, D. G.; Fultz B. Evaluation of the Thermodynamic Properties of H₂ Binding in SolidState Dihydrogen Complexes [M(η²-H₂)(CO)dppe₂][BArF²⁴] (M = Mn, Tc, Re): An Experimental and First Principles Study. J. Phys Chem C 2012, 116, 22245-22252.

Park, S.; Venditti, R. A.; Abrecht, D. G.; Jameel, H.; Pawlak, J. J.; Lee, J. M. Surface and Pore Structure Modification of Cellulose Fibers through Cellulase Treatment. Journal of Applied Polymer Science 2007, 103, 3833-3839.

Fellowships

National Technical Nuclear Forensics Fellowship, 2013

Resnick Sustainability Institute Graduate Fellowship, 2010