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Ashaki Rouff

Assistant Professor
Environmental Geochemistry

Science Building, Room E204
Phone: 718-997-3073

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Research Interests
My research explores the behavior of inorganic and organic contaminants in aqueous geochemical (soil, sediment) and engineered (wastewaters) settings. The mechanisms and kinetics of contaminant interactions with mineral phases determine the mobility and bioaccessibility of these species in affected systems. Understanding these processes has important implications for predicting the fate of contaminant species in the environment.
We use laboratory-based model systems, field work, and advanced molecular-scale techniques; as applied to the areas of contaminant geochemistry, urban geochemistry, and sustainable chemistry. Current research topics include the assessment of heavy metal contamination of human-impacted soils, and the evaluation of alternative mineral fertilizers as related to the sustainable use of natural resources.

Courses taught

A list of courses taught:


  • Geol 101 Introduction to Geology
  • Geol 201 Earth Materials
  • Geol 270 Geochemistry of the Global Environment
  • Geol 370 Biogeochemistry
  • Geol 383 Environmental Geochemistry
  • Geol 392 Special Problems
  • Geol 393 Environmental Mineralogy
  • HMNS 102 Introduction to Science Honors Research and Seminar
  • HMNS 291 Science Honors Research


  • Geol 501 Earth Composition and Processes
  • Geol 701 Advanced Principles of Physical Geology
  • Geol 760 Environmental Geochemistry
  • Geol 766 Analytical Techniques in Environmental Geosciences
  • Geol 799.3 Geochemistry of the Natural Environment
  • EES 770 Principles of Geochemistry
  • EES 810 / EES 900 Research for the Doctoral Dissertation

Selected Publications

Ma N., A.A. Rouff and B.L. Phillips. 2014 A 31P NMR and TG/DSC-FTIR Investigation of the Influence of Initial pH on Phosphorus Recovery as Struvite. ACS Sustainable Chemistry & Engineering DOI: 10.1021/sc4004746.

Yang J., Y. Tang, K. Yang, A.A. Rouff, E.J. Elzinga and J.H. Huang. 2014 Leaching Characteristics of Vanadium in Mine Tailings and Soils Near a Vanadium Titanomagnetite Mining Site. Journal of Hazardous Materials, 264, 498-504.

Eaton T.T., G.D. O’Mullan and A.A. Rouff. 2013 Assessing Continuous Contamination Discharge from a Combined Sewer Outfall (CSO) into a Tidal Wetland Creek: Bacteriological and Heavy Metals Indicators. Annals of Environmental Science, 7, 79-92.

Rouff A.A., T.T. Eaton, and A. Lanzirotti. 2013 Heavy Metal Distribution in an Urban Estuary Affected by Combined Sewer Overflow. Chemosphere, 93, 2159-2164.

Lefkowitz J., A.A. Rouff and E.J. Elzinga 2013 Influence of pH on the Reductive Transformation of Birnessite by Aqueous Mn(II). Environmental Science & Technology, 47, 10364-10371.

Rouff A.A. 2013 Temperature Dependent Phosphorus Precipitation and Chromium Removal from Struvite-Saturated Solutions. Journal of Colloid and Interface Science, 392, 343-348.

Rouff A.A. 2012 Sorption of Chromium with Struvite During Phosphorus Recovery. Environmental Science & Technology, 46, 12493–12501.

Ma N. and A.A. Rouff 2012 The Influence of pH and Oxidation State on the Interaction of Arsenic with Struvite During Mineral Formation. Environmental Science & Technology, 46, 8791-8798.

Rouff A.A., B.L. Phillips, S.G. Cochiara and K.L. Nagy. 2012 The Effect of Dissolved Humic Acids on Aluminosilicate Formation and Associated Carbon Sequestration. Applied and Environmental Soil Science, Article ID 430354, 12p.

Rouff A.A. 2012 The use of TG/DSC–FT-IR to Assess the Effect of Cr Sorption on Struvite Stability and Composition. Journal of Thermal Analysis and Calorimetry, 110, 1217-1223.

Rouff A.A., S. ​Rabe and F. Vogel. 2011 Hydrothermal processes in K2HPO4 solutions. Journal of Supercritical Fluids, 57, 207-212.

Rouff A.A., S. Rabe, M. Nachtegaal and F. Vogel. 2009.  X-ray Absorption Fine Structure Study of the Effect of Protonation on Disorder and Multiple Scattering in Phosphate Solutions and Solids. Journal of Physical Chemistry A, 113, 6895-6903.


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