V. Akumar, S., S. Jung, D. Grewell , S. Clark. Poster presentation. Effects of thermosonication on total plasmin and characteristics of skim milk and cream. Annual Mtg. Institute of Food Technologists (IFT), Las Vegas, NV. 2012. 5th in Dairy Foods Division graduate poster competition.
2011 College of Agricultural and Life Science, Iowa State University, International Award, D. Grewell
Autodesk Scholarship, 2011, Attend Autodesk University for 1 week, 2011.
W. Wu-Haan, R. Burns, L. Moody, D. Grewell, R. Raman, Evaluation of Ultrasonic Pretreatment of Anaerobic Digestion of Different Animal Manures, American Society of Agricultural and Biological Engineers Honorable Mention Paper Award, August 2011.
United State's Expert/Delegate for the International Institute of Welding Commission 16, Welding of Plastics and Adhesives Technology, July 16-22, 2011, Chennai India.
D. Mitra, P.Chand, A. Frankowska, V.Chintareddy, J. Vekade, D. Grewell, J. (Hans) van Leeuwen, Corn Utilization and Technology Conference, Atlanta, June7-9, 2010, 2nd prize in poster competition.
2010 College of Agricultural and Life Science, Iowa State University, Early Achievement in Research Award, D. Grewell.
2009 R&D 100 Awards, J. van Leeuwen T. Kim, D. Grewell, S. Beattie, D. Mitra, C. Ziel, V. Chintareddy, P. Chand, M. Montalbo-Lomboy, J. Verkade, 2009.
Grand Prize for University Research from the American Academy of Environmental Engineers, Single cell bio-oil from an integrated fungal lignocellulosic biorefinery, J. (Hans) van Leeuwen, S. Beattie, T. Kim, D. Grewell, L. Johnson, E. Hammond, A. Pometto III, D. Iassonova, P. Shrestha, M. Vincent, 2009.
Fellow, Society of Plastics Engineers, 2008.
Newcomer Research Award, America Society of Agricultural and Biological Engineers (ASABE), 2007.
Faculty position, University of Erlangen, 2007
Osborn Research Club, Faculty Honor Society, 2007.
Phi Kappa Phi OSU Honors Society, 2003, Baton Rouge, LA.
Procter and Gamble Graduate Research Award, 2001.
Best Paper Award, Annual Technical Meeting (ANTEC) 1997, Society Plastics Engineers, Joining of Plastics and Composites Special Interest Group, Brookfield, CT.
Significant Contribution Award, Branson Ultrasonic Corporation, a monetary award for identifying market opportunities and developing expert system, 1996.
Significant Contribution Award, Branson Ultrasonic Corporation, a monetary award for identifying a solution to plastic related problem on ultrasonic cleaners, 1994.