My Research Interests

  • Carbon dioxide capture and mineralisation: Direct air capture of CO2, mineral carbonation
  • Solid waste utilisation: Upcycling high-sulfur coal ash, industrial waste to composites
  • Process Intensification: gas-liquid mass transfer enhancement
  • Modular and autonomous chemical reactors

My active research area is carbon dioxide capture and mineralization using alkaline solid wastes such as steel slag, fly ashes etc. The problem of solid waste utilization is a pertinent problem to today’s rapidly growing consumption-driven society. My research is mainly motivated to maximize waste utilization and achieve zero discharge chemical industry, and consequently move towards a circular economy. Developing value-added produce from waste is a challenging case and largely necessitates simultaneous processing of multiple wastes or selectively transforming part of a waste. While the concept of ‘value-added products’ changes dynamically with prevailing economics, my philosophy is to achieve technology readiness for multiple economic scenarios.

A significant focus of my research is on understanding reaction kinetics and mechanisms involved by experiments and modelling, with an aim to translate into process schemes. Currently, I am working on problems such as reactive surface area evolution, novel experiment designs and analyses for heterogeneous solid reactions to gain insights into reaction controlling mechanisms, role of surface electrical properties at solid-liquid interface in designing mineral carbonation processes. I am also looking at novel high-throughput dynamic experiments for studying heterogeneous reactions using machine learning.

Awards

Naik and Rastogi Excellence in Ph.D. Thesis Award, IIT Bombay (2021)
Finalist, Wisconsin Alumni Research Foundation (WARF) Annual Innovation Award, UW-Madison (2020)

Research and Industrial Experience

Sep 2021 onwards, Assistant Professor, Dept. of Chemical Engineering, Indian Institute of Technology Kanpur.

Aug. 2019 to Jul 2021, Postdoctoral research associate, Dept. of Civil and Environmental Engineering, University of Wisconsin-Madison.
Research work involved studying the utilization of sulfur-rich fly ashes for carbon dioxide capture and concrete applications.

Sept. 2013 to Dec. 2013, Sr. Process Design Engineer, SRF Ltd. Gurugram, Haryana.
Worked as Sr. Process Design Engineer in Chemicals Technology Group (CTG) of SRF Ltd. Worked in Technology Transfer Group and successfully executed campaign manufacture of specialty chemical used as intermediate in pharma industry.

July 2010 to Sept. 2013, Manager-Technical Services, Reliance Industries Limited, Jamnagar, Gujarat.
Team member of technical service group whose interest lies in optimization, heat integration and new project and retrofitting studies. Core of the job involve process feasibility study, process modeling & simulation and economics feasibility study.

Academic Detail

2014-19, Ph.D., Joint Ph.D. degree from IIT Bombay, India and Monash University, Australia
Thesis: Use of steel slags for CO2 capture and utilisation

2006-10, B.Tech in Chemical Engineering, Indian Institute of Technology Roorkee

Patents filed

  • Sustainable calcium hydroxide production for green cement; Inventors: Bu Wang, Raghavendra Ragipani, Robert Anex, Thatcher Root; WARF: P200241US02
  • Method of carbon dioxide capture and sequestration using alkaline industrial wastes and regenerating aqueous solvent; Inventors: Bu Wang, Raghavendra Ragipani; WARF: P200242US01
  • Method for sulfur removal from coal fly ash; Inventors: Bu Wang, Raghavendra Ragipani; WARF: P200236US01

Publications

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Raghavendra Ragipani


Contact

Raghavendra Ragipani
Assistant Professor
Dept. of Chemical Engineering
Indian Institute of Technology Kanpur,
Kanpur, UP, India - 208016
email: ragipani[at]iitk.ac.in
Office:
Room 466, Faculty Building, IITK
Telephone: +91-512-259-2241(Office)

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