Dr. Ladner's research is geared toward making membrane-based water treatment processes more sustainable. One project involves redesigning reverse osmosis (RO) and nanofiltration (NF) membrane modules to decrease fouling problems. Another initiative is to develop polymeric membranes and coatings that can be quickly and cheaply regenerated to release foulants before starting a fresh filtration cycle. A third effort is attempting to redesign the RO desalination process to make it compatible with renewable energy (wind, solar, and tidal). Lastly, the group is interested in developing membranes and processes that can alleviate current bottlenecks in algal biofuel production. Like membranes themselves, this research program is at an interface; here we interface between science and engineering. We take fundamental knowledge from surface and colloid science, mass transfer, fluid mechanics, etc., and apply it to solve real-world sustainable engineering challenges.Syllabus Respository.
Ellerie, J.R.; Apul, O.; Karanfil, T.; Ladner, D.A. "Comparing graphene, carbon nanotubes, and superfine powdered activated carbon as adsorptive coating materials for microfiltration membranes." Journal of Hazardous Materials 2013, 261, 91-98.
Ladner, D.A.; Bolyard S.C.; Apul, D.; Whelton, A.J. "Navigating the academic job search for environmental engineers: Guidance for job seekers and mentors." Journal of Professional Issues in Engineering Education and Practice 2013, 139, 211-217.
Smith, M.; Barnard, C.; Ladner, D.A. "Functionalized nanoparticles as removable membrane coatings." Ch. 11 in Novel Solutions to Water Pollution, S. Ahuja, and K. Hristovski, eds., ACS Symposium Series, American Chemical Society, Washington, D.C., 2013, 1123, 189–203.
Kiser, M.A.; Ladner, D.A.; Hristovski, K.D.; Westerhoff, P. "Nanomaterial transformation and association with fresh and freeze-dried wastewater activated sludge: Implications for testing protocol and environmental fate." Environmental Science and Technology 2012, 46, 7046–7053.
Reed, R.; Ladner, D.; Higgins, C.P.; Westerhoff, P.; Ranville, J. "Solubility of nano-zinc oxide in environmentally and biologically important matrices." Environmental Toxicology and Chemistry 2012, in press.
Certificate of Merit for the platform presentation "Functionalized nanoparticles as removable membrane coatings" at the 242nd National Meeting of the American Chemical Society (with graduate student Megan Smith).
Fellow, Environmental Protection Agency (EPA), Science to Achieve Results (STAR) Fellowship Program, August 2006 to August 2009.
Best Student Paper Award, Membrane Technology Conference, Memphis, TN, April 2009.
Larson Aquatic Research Support (LARS) Scholarship, American Water Works Association (AWWA), June 2005.
Cramer Award, New Mexico Institute of Mining and Technology, May 2003.
Paige Ashman Award, NMIMT Department of Environmental Engineering, May 2003.