Lehigh University logo
Lehigh University logo

Srinivas Rangarajan

Department: Chemical and Biomolecular Engineering

Position: Assistant Professor

Address: Mountaintop Campus
Lehigh University
Iacocca Hall
111 Research Drive
Bethlehem, PA 18015
(610) 758-4219

E-mail: srr516@lehigh.edu

Research: Google Scholar

Areas of Research

  • Heterogeneous Catalysis
  • Computational Chemistry
  • Complex Reaction Networks
  • Microkinetic Modeling
  • Reaction Engineering
  • Nonlinear Optimization


Dr. Rangarajan joined Lehigh University as an Assistant Professor with the department of chemical and biomolecular engineering in January 2017 after his stint as a postdoctoral scholar at the University of Wisconsin, Madison. He received his B.Tech. (2007) from the Indian Institute of Technology, Madras and PhD (2013) from the University of Minnesota, both in Chemical Engineering. His industrial experience includes previous employment at Shell Global Solutions in Netherlands and India as a Senior Associate Technologist in hydroprocessing.

Dr. Rangarajan's research spans the areas of heterogeneous catalysis, computational chemistry, complex reaction networks, microkinetic modeling, reaction engineering and nonlinear optimization. He uses computational chemistry and nonlinear optimization tools to better understand and optimize heterogeneous catalytic systems of relevance in energy. Dr. Rangarajan is the principal developer of the open source computational package, RING – Rule Input Network Generator – which, for any chemical feedstock and a corresponding set of basic chemistry rules, generates all possible reaction pathways. RING allows for modeling of massive and complex reaction networks, incorporate computational chemistry data, particularly for catalytic reaction networks with complex surface chemistry, and query this model to select the most promising reaction pathway.

Dr. Rangarajan has published over 20 peer reviewed journals and proceedings and has been recognized with several awards, including the KVPY Young Scientist fellowship (India, 2001-2003), a doctoral dissertation fellowship at University of Minnesota (2012-2013), Chemical Research Engineering Travel award from the American Institute of Chemical Engineers, the Kokes award of the North American Catalysis Society and travel awards from FOCAPO, ISCRE and NASCRE.


  • Ph.D., Chemical Engineering, University of Minnesota, 2013
  • B.Tech., Chemical Engineering, Indian Institute of Technology (Madras), 2007