Ranjit Ramanathan

Carnegie Mellon University
Department of Chemical Engineering
Doherty Hall, Room 3211
Pittsburgh, PA 15213


Education History

2009 - 2010 MS in Chemical Engineering (Process Systems), Carnegie Mellon University, Pittsburgh, PA.
2002 - 2006

B. Tech., Chemical Engineering, National Institute of Technology, Warangal, India.

Work History
Oct 2006 - July 2009 Process Engineer, Process Design Engineering Cell, Indian Oil Corporation Ltd., India
May 2004 – June 2004 Internship at R&D centre, Indian Oil Corporation Ltd., Faridabad, India
Awards and Honors
2002 – 2005 Merit Scholar, NIT Warangal, India
2000 Merit Scholar, CBSE board


  Dec 2007 – Feb 2008

Training in Indian Institute of Petroleum, Dehradun (formerly a part of IFP, France) on Petroleum Refining Technologies.

  Dec 2007 – Feb 2008 Training on Pinch Technology by Dr. M.O.Garg (Director IIP, Dehradun, India).

Major Projects

  • Developed Simulation Models for Crude Distillation Unit, Vacuum Distillation Unit, Delayed Coker Unit (open art section), FCCU (open art section), Naphtha Splitter and Stabilizer and validated the model with existing operating units in various refineries.
  • Developed Pressure Drop Calculations for single-phase (both liquid and gas separately) in a pipe and two-phase pressure drop in pipe using common tools like Excel spreadsheet and Visual Basic.
  • Redesign of Crude Distillation Column for an increased throughput and to overcome bottlenecks with additional pump-around and additional draw-offs.
  • Redesign of Heat Exchanger Network to maximize pre-heat and cater to an increased throughput with maximum utilization of low temperature heat and minimize utility consumption.
  • Debottlenecking Delayed Coker Unit to enhance the throughput from 2.4 MMTPA to 3.0 MMTPA with reduction in cycle time.
  • A Splitter Column Design was developed to separate Special Grade Kerosene (ATF) from High Speed Diesel (HSD) and also in the process drying HSD to meet the required market specification. Simultaneously, heat integration of the system was done by preheating the feed to the column by the column bottom and generating steam from the pump-around heat.
  • Design of a scheme for drying Diesel ex-Diesel Hydrotreater/ Diesel Hydro De-Sulphurization unit to meet the EURO III/IV norms making use of vacuum conditions.
  • Design of Naphtha Splitter to produce PX feed.
  • Study on Maximization of Olefinic (Propylene & Ethylene) yield from Naphtha by Catalytic Cracking carried out on a Micro Activity Test (MAT) Reactor.
  • Design of process for Production of High Fructose Corn Syrup (HFCS) from Corn (Undergraduate Project).

Research Interests

  • Process Control and Optimization.