Research

 

 

 

 

 

 

We strive to understand the molecular-scale perspectives of interfacial processes, such as the interactions of inorganic, organic, and biological species at solid-liquid interfaces. By employing a wide range of laboratory, microscopic, and spectroscopic techniques, we take a multi-scale approach from molecular, microscopic, macroscopic, to field scale, and address the following topics:

  • Contaminant fate and transport
  • Metal and nutrient cycling
  • Microbe mediated mineral formation and transformation
  • Resource recovery

 

Current research projects

  • Exploring the role of exogenous polyphosphate in the precipitation of calcium phosphate minerals in the marine environment (NSF-1559087)
  • Probing the impact of metal impurities on the structure, reactivity, and transformation of biogenic manganese oxides (NSF-1710285)
  • An integrated, tunable, and sustainable management system for improved energy, nutrient, and water recovery from biowastes (NSF-1739884)
  • Development and fundamental investigation of a novel low cost recycling technology for spent Li-ion batteries (NSF-1605692)
  • Calibrating the chromium isotope system as a tracer of atmospheric oxygenation (NASA Exobiology)
  • Alternative earths: Explaining persistent inhabitation on a dynamic early earth (NASA Astrobiology Institute CAN7)

 

Completed research projects

  • Assessing the wettability alteration of carbonate minerals at nano scale (ACS-PRF)
  • Phosphorus and metal speciation dynamics during thermal treatment of sewage sludges (USGS-Georgia Water Research Institute)